Spine Surgery Expert Witnesses
Spine surgery expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on spine surgery. The spine surgery expert witness listings on this page are typically from fields/areas of expertise such as: Anesthesiology, Artificial Intelligence, Biomechanics, Brain Injury Medicine, Legal Nurse Consulting, Neurological Surgery, Neurology, Nurse, Nurse Anesthetist, Nurse Practitioner, Orthopedic Surgery, Pain Management - Medicine, Pediatric Anesthesiology, Physical Medicine & Rehab, and Physician Assistant.
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Jeffrey H. Oppenheimer, MD
Neurosurgery Medlegal Services
Neurological Surgery, Spine Surgery & Spine Care
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Laminectomy, Laminoplasty, Neurosurgery, Artificial Disc Replacement, Fusion, Total Brain Injury, Spinal Instrumentation, BMP, Infuse, Minimally Invasive Spine Surgery, Brain Tumor
Dr. Oppenheimer is an actively-practicing board-certified neurosurgeon with 27 years of experience. He founded and presently practices at Neurosurgery Medical Associates in Coral Springs, Florida. Dr. Oppenheimer is also on the faculty at the University of Central Florida College of Medicine, and holds medical licenses in several states.
Dr. Oppenheimer received his medical degree from Georgetown University School of Medicine, where he also obtained an MS with distinction in Physiology and Biophysics. He earned a Bachelor of Arts in Neurobiology and Behavior cum laude, from Cornell University. Dr. Oppenheimer completed his residency training at the University of Southern California-Los Angeles County Hospital. He has published numerous journal articles and textbook chapters in the field of neurosurgery. He is also multilingual, and is fluent in English, German, and Spanish.
Dr. Oppenheimer is a seasoned expert witness with significant testifying experience. He has provided exp...
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Julio Petilon, MD
Southern Spine and Orthopaedics
Spine Surgery & Spine Care, Orthopedic Surgery
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Disc replacement, Kyphoplasty, Sacroiliac Fusion, Spinal cord stimulators, Minimally invasive surgery
Julio Petilon, MD, is an American Board-Certified orthopedic spine surgeon specializing in treating degenerative, traumatic and other disorders of the cervical, thoracic and lumbar spine, including herniated discs, deformity, revision surgery and disease of the sacroiliac joint, as well as general orthopedic surgery. He is licensed to practice medicine in the states of Louisiana and Georgia. Dr. Petilon evaluates each patient individually with a comprehensive approach, offering both non-operative and surgical treatment plans to help alleviate acute and chronic pain, as well as associated neurological symptoms. When surgery is indicated, Dr. Petilon utilizes both open and the latest minimally invasive techniques to provide patients optimal results and recovery, including endoscopic spine surgery.
Dr. Petilon earned a Doctorate of Medicine from Tufts University School of Medicine in Boston, Massachusetts. He then completed an internship and orthopedic surgery residency at the Nav...
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Rojeh Melikian, MD
Spine Surgery & Spine Care, Orthopedic Surgery
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Spine Surgery, Spine Medicine, Spinal Diseases, Cauda Equina Syndrome
Board-Certified Orthopaedic Spine Surgeon with a practice devoted exclusively to spine surgery and spine medicine. Dr. Melikian's interests include the full spectrum of spine diagnostics and therapeutics, including minimally-invasive surgeries, artificial disk replacements and fusion surgeries. Dr. Melikian has experience in Independent Medical Reviews and Medical Malpractice Cases.
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Murray Spruiell, MD
Orthopaedic Spine Surgeon
MDS Medical Consulting
Huntsville, Alabama
Spine Surgery & Spine Care, Orthopedic Surgery
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neck pain, whiplash, back pain, spine surgery, spine, robotic surgery, sciatica, nerve pain, spine fusion, laminectomy, hip pain, knee pain, shoulder pain, neck surgery, cervical fusion, lumbar fusion, cervical spine, lumbar spine, thoracic spine, navigation
Dr. Spruiell is an orthopaedic surgeon with additional fellowship training in spine surgery, and he now focuses his practice on all aspects of adult spinal surgery including cervical, thoracic, and lumbar spinal disorders. He attended medical school at the University of Alabama School of Medicine in Birmingham, AL. He then moved west to join the University of Colorado Department of Orthopedic Surgery for his residency. There, he gained extensive training in the management of degenerative and traumatic orthopaedic and spinal conditions. He then moved to California and completed additional fellowship training in Spine Surgery at the University of California – San Diego. There, he completed a rigorous and comprehensive training in all aspects of adult spine care.
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Sanat Dixit, MD MBA
Neurosurgeon, Spine / Stroke Specialist & MBA
372719713972003
Alabama
Neurological Surgery, Spine Surgery & Spine Care
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Neurosurgery, Spine Surgery, Neurointerventional Surgery, Neuroendovascular Surgery, Cerebrovascular Surgery, Stroke, Stroke Intervention, Mechanical Thrombectomy, Acute Ischemic Stroke, Large Vessel Occlusion, Stroke Systems of Care, Lumbar Spine Surgery, Cervical Spine Surgery
Neurosurgery • Complex Spine • Stroke Systems of Care • Neurointerventional Surgery • Healthcare Operations
Dr. Sanat Dixit is a board-certified neurosurgeon with more than 25 years of clinical experience treating complex disorders of the brain, spine, and cerebrovascular system. Since entering practice in 2001, he has maintained an active surgical practice with extensive experience in cranial, cerebrovascular, endovascular, and spine surgery. His clinical experience includes more than 2,000 cranial neurosurgical procedures, over 2,500 neuroendovascular procedures, and more than 3,000 complex spine surgical procedures.
Dr. Dixit completed residency training in neurological surgery at The Penn State Milton S Hershey Medical Center, followed by fellowship training in cerebrovascular and endovascular neurosurgery at the Semmes Murphey Neurologic and Spine Institute. His expertise includes acute ischemic stroke, mechanical thrombectomy, cerebral aneurysms, carotid artery disease, intr...
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Gaylene F Chartier, MSN, RN, CNOR, LNC
Cave Creek, Arizona
Legal Nurse Consulting, Nurse
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Surgeries: General Surgery, Laparoscopic Surgery, Spine Surgery, Urology Surgery, URO/GYN Surgery, GYN Surgery, Plastic Surgery, da Vinci Robotic Surgery. Operating Room Nurse. I have experience with Standard of Care, infection prevention/sterile technique, injury prevention and positioning
I have been an RN since 1999 in the operating room, both as a circulator, a scrub, and Perioperative Clinical Educator. My experience ranges from Level 1 trauma to outpatient surgery center. I have experience in the surgical specialties of cardiac, general, gynecology, orthopedic (spine), plastics, and urology. I also have assisted with the implementation of the DaVinci Robotic program in the specialties of cardiac, gynecology, and urology.
I have been employed in Scottsdale, AZ since August 2009, where I perform the duties of scrub and circulator. I was promoted to Clinical Nurse Educator in April 2015 for Shea and Piper Perioperative Department (OR, pre-op, PACU, Endoscopy, and CSPD). In this position I educated staff in the newest technologies and remain current with policies and procedures. I also reviewed and updated policies for the hospital system. I was also the Laser Safety Officer for the Scottsdale campus. I have also successfully concluded several AORN: 101 Perioperativ...
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Daniel P Sipple, D.O.
Triple Qualified, Unicorn Inventor, Policy Expert
Sipple Medical Innovations
Arizona
Physical Medicine & Rehab, Pain Management - Medicine
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Concussion, Traumatic Brian Injury, Complex Regional Pain Syndrome, Spinal Cord Stimulation, Radiofrequency, Epidural Steroid Injection, EMG, Long Covid, Pain Suffering, Botox, Stroke, Amputation, Spine Surgery, Vertebral Compression Fracture, Burns, Neuropathic Pain, Headache
Dr. Daniel Sipple is board certified in physical medicine and rehabilitation, pain medicine with
added qualifications in concussion and mild traumatic brain injury. He trained at the Shirley Ryan
Ability Lab, served on faculty at the Mayo Clinic in Eau Claire, Wisconsin. He practiced at Midwest
Spine and Brian Institute, Dr. Sipple is a the co-founder of Mayo Clinic Partnered InSitu Biologics,
Acies Medical and Hypercharge Medical. Dr. Sipple served on the Board of Directors for the Society
for Brain Mapping and Therapeutics, part of President Obama’s BRAIN Initiative. In that capacity,
presented internationally at the Neuroscience 20 in conjunction with the G20, and assisted in
SBMT’s effort to raise $500 Million for 31 Federally Funded Tech Hubs. He is the founder of Acies Medical, whose patented Smart Needle is parted with the United Kingdom National Health Service. He advises and or is a board member of a diverse group of emerging neurotech start ups, and is on the cutting e...
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Christopher A. Sarkiss, MD
Board-certified, Fellowship-trained Neurosurgeon
Global Brain & Spine Institute
Los Angeles, California
Neurological Surgery, Spine Surgery & Spine Care
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Neuro-oncology, Brain tumors, Brain hemorrhage, Spine Fusion, Spinal stenosis, Meningioma, Glioma, Brain metastasis, Disc herniation, Cauda equina syndrome, Traumatic brain injury, Pituitary tumors, Skull base tumors, Spine tumors, Cord compression, Stroke, Hydrocephalus, Neurosurgery, Spine Surgery
Christopher A. Sarkiss, MD, FACS, FAANS, FCNS is a board-certified, fellowship-trained neurosurgeon with a subspecialty focus in neurosurgical oncology and spine. Dr. Sarkiss is the Founder and Chairman of the Global Brain & Spine Institute. He specializes in the treatment of complex, minimally-invasive brain and spine surgery. Dr. Sarkiss graduated summa cum laude from UCLA with a Bachelor of Science in Neuroscience and a minor in Political Science. Thereafter, he attended the David Geffen School of Medicine at UCLA for medical school graduating with honors. He then joined the Department of Neurosurgery at the Icahn School of Medicine at Mount Sinai in New York City to complete his neurosurgical residency. Afterwards, Dr. Sarkiss completed a surgical neuro-oncology fellowship at Jackson Memorial Hospital and the University of Miami Health System. Additionally, he served as a clinical research fellow where his research efforts focused on neuro-oncology, spine, socioeconomics, machin...
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Shawn A Hayden, MD, PhD, MBA
Harvard Trained Orthopedic Spine/Trauma Surgeon
Shawn A. Hayden MD PA
California
Spine Surgery & Spine Care, Orthopedic Surgery
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Orthopedic Surgery, Spine Surgery, Sports Medicine and Surgery, Endoscopic Surgery, Minimally Invasive Surgery, Sports Injury, Back Injury, Neck Injury, Whiplash, Concussion, Causation, Case Valuation, Impairment, Medical Devices, Innovation, Understanding EMR, Vehicle Injury Evaluation, Trauma
Dr. Hayden graduated from Harvard College. He received his medical degree from the University of Massachusetts Medical School and his orthopedic training at the Harvard Combined Orthopedics Residency Program. He has been providing high quality medical expert opinions on orthopedic surgical spine and trauma care for years.
Dr. Hayden is also fellowship trained in orthopedic trauma and spine surgery at The Massachusetts General Hospital and The Beth Israel Deaconess Medical Center.
Diplomate of the American Board of Orthopedic Surgery and a Fellow in the American Academy of Orthopedic Surgeons. Dr. Hayden is board certified in Orthopedic Surgery. His Ph.D was received at the UT Southwestern Medical Center with research in computer science and anatomy. In 2011, Dr. Hayden received his MBA from the University of Tennessee.
Today Dr. Hayden runs Onto Orthopedics, a high quality private orthopedic medical practice in Plano, TX. Dr. Hayden’s focus has always been in providing high-tec...
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Keith B Quattrocchi, MD, PhD, FACS
NSI Consulting, Inc
Auberry, California
Neurological Surgery, Spine Surgery & Spine Care
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Neurosurgery, IME, independant medical examination, neurological surgery, spine, spine surgery, head trauma, neurotrauma, neurosurgeon
Dr. Quattrocchi is a Board-Certified neurosurgeon with over 30 years of experience in both academic and private practice neurosurgery. His expertise includes instrumented and complex spine surgery, neurotrauma, adult tumors and general adult neurosurgery. He has been deposed/expert witness in over 20 cases. Dr. Quattrocchi is available to provide expert opinion, testimony, depositions or other medical-legal advice as well as consultation in most areas of spine surgery and general neurosurgery. He has extensive experience in the standard of care, causation, damages, and need for future care regarding spinal injuries. He can provide expert testimony for Personal Injury, Workers' Compensation, and Medical Malpractice following the guidelines of impartial testimony by the American Association of Neurological Surgeons. A thorough review of imaging (x-ray, CT, MRI) and rendered opinions can be expedited as necessary.
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Ahmer Ghori, MD
Orthopaedic Spine Surgeon: Standard of Care Expert
California
Spine Surgery & Spine Care, Orthopedic Surgery
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Standard of Care, Causation, Spine Surgery, Expert Witness, Delayed Cord Compression Diagnosis, Post Op Neuro Deficit, Spine Surgical Indication, Postop Infection, Spine Trauma, Myelopathy, Disc Herniation, ACDF, Spine Fracture, Cervical Fusion, Lumbar Fusion, Disc Replacement, failed back, spinal cord injury, rev Spine, malpractice
Dr. Ahmer K. Ghori is a board-certified & Harvard trained Orthopaedic Spine surgeon with more than 10 years of independent surgical practice and extensive experience in the diagnosis and treatment of complex spinal disorders. He is a partner at Orthopaedics Northeast in Fort Wayne, Indiana, where he maintains an active high-volume surgical practice focused exclusively on spine surgery.
Dr. Ghori performs approximately 400 spine operations annually and has performed more than 4,000 spine procedures during his independent practice. His clinical work includes treatment of degenerative cervical and lumbar spine disease, cervical myelopathy, spinal trauma, spinal tumors, spinal infections, spinal deformity, and revision spine surgery.
Dr. Ghori completed orthopaedic surgery residency through the Harvard University Orthopaedic Residency Program at Harvard Medical School and subsequently completed specialized spine surgery fellowship training at the Norton Leatherman Spine Center in Loui...
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Joshua Matthews, MD
Experienced Orthopedic Surgery Expert
LAKEPORT, California
Orthopedic Surgery
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Venous medicine, Bone & Joint Disorders, Musculoskeletal Injuries, Fracture Management, Trauma Surgery, Minimally Invasive Orthopedics, Sports Medicine, Joint Reconstruction, Joint Replacement, Arthroscopy, Degenerative Joint Disease, Soft Tissue Injuries, Surgical Repair, Musculoskeletal Assessment, Spine Surgery, Trauma
Joshua Matthews, MD, is a board-certified orthopedic surgeon. He was educated at the University of Missouri in Columbia and received his MD degree in 2009. He then completed residency training in orthopedic surgery at the University of Kansas. After residency, Dr. Matthews underwent additional fellowship training in arthroscopy and sports medicine in San Diego, California.
As a fellow, he was fortunate to work with athletes at the professional, collegiate, and high school levels. In his nearly 10 years in practice, he has gained extensive experience in the minimally invasive treatment of sports and work-related shoulder and knee injuries. He additionally cares for a variety of traumatic and general orthopedic conditions.
Dr. Matthews enjoys an active lifestyle of rock climbing, hiking, paddleboarding, cycling, and fitness training. Dr. Matthews’s passion for staying active drives his motivation to help patients maintain their physical activity and recover from injury.
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Amandip S Gill, MD
Board-Certified Neurosurgeon - Expert Witness
Simi Valley, California
Neurological Surgery, Spine Surgery & Spine Care
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neurosurgeon, traumatic brain injury (TBI), spine surgery, neurosurgery, surgical complications, standards of care, hospital peer review, product liability, cranial surgery, deep brain stimulation, skull base surgery, trauma neurosurgery, hospital quality, brain tumor, spinal instrumentation, functional neurosurgery, AVM, pain neuro
Dr. Amandip S. Gill is a board-certified neurosurgeon with over 15 years of clinical and leadership experience, specializing in complex cranial and spine surgery, brain and spinal trauma, and surgical complications. Dr. Gill has served as Chief of Staff and Director of Neurosurgery at Adventist Health Simi Valley, where he led multidisciplinary teams, peer review committees, and major quality improvement initiatives. He is recognized for both his technical skill in the operating room and his commitment to patient-centered care.
Dr. Gill earned his undergraduate degree with Highest Honors in Neuroscience from UCLA and was inducted into Phi Beta Kappa. He completed his medical degree at UC Irvine, where he was inducted into the Alpha Omega Alpha (AΩA) Honor Society and received multiple awards for both research and clinical excellence. He completed his neurosurgery residency at UC Irvine, serving as Chief Resident and earning distinctions for clinical teaching and humanism. Dr. Gill ...
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ASSAD M MOHEIMANI, MD
coast spine
SantaAna, California
Orthopedic Surgery
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spine surgery, pain management, auto accidents, work injury, 6 offices in Southern California: Downey Long Beach Covina Rancho Cucamonga Juan Capistrano Santa Ana
Offices throughout Southern California: Downey, Long Beach, Covina, Rancho Cucamonga, Santa Ana, San Juan Capistrano
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Rojeh Melikian, MD
Marina del Rey, California
Spine Surgery & Spine Care, Orthopedic Surgery
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Spine Surgery, Spine Medicine, Spinal Diseases, Cauda Equina Syndrome
Board-Certified Orthopaedic Spine Surgeon with a practice devoted exclusively to spine surgery and spine medicine. Dr. Melikian's interests include the full spectrum of spine diagnostics and therapeutics, including minimally-invasive surgeries, artificial disk replacements and fusion surgeries. Dr. Melikian has experience in Independent Medical Reviews and Medical Malpractice Cases.
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Christopher C. Ornelas, MD
Physical Medicine and Rehab
SPECTRUM MEDICAL EVALUATORS
El Cajon, California
Physical Medicine & Rehab, Orthopedic Surgery
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Physical Medicine and Rehabilitation, Spine Surgery, Orthopedic Surgery, Spine Fellowship, Orthopedic Surgery Interventional Spine, Musculoskeletal Medicine
Professional Experience:
Dr. Christopher C. Ornelas has provided sustained clinical, academic, and institutional service at the University of Southern California, Keck School of Medicine, Department of Orthopaedic Surgery since July 2014. As an Attending Physician and Chief of Spine Medicine, he oversees comprehensive spine care and supports interdisciplinary collaboration across clinical services. In parallel, he serves as Director of the USC Spine Electrodiagnostic Laboratory, where he leads diagnostic operations, clinical education, and spine-related research initiatives.
Dr. Ornelas has demonstrated significant leadership in academic programming and physician training. From 2015 to 2025, he served as Director of the USC Spine Symposium, organizing a major educational forum focused on spine medicine and innovation. Since 2018, he has served as Program Director of the Interventional Pain and Spine Medicine Fellowship, overseeing curriculum development, trainee mentorship, and ac...
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Sina Rajamand, DO, FACOS
Board Certified Neurosurgeon Expert Witness
Golden State Neurosurgery
Encino, California
Neurological Surgery, Spine Surgery & Spine Care
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Spine, brain, pain, back pain, neck, lower back, neuro, neurosurgery, spine surgery
Expertise
Board-certified neurosurgeon with specialized expertise in minimally invasive spine surgery, complex spinal reconstruction, neurotrauma, and brain and spinal disorders. He brings extensive experience as a treating surgeon, consultant, and practice leader, and has participated in both defense and plaintiff-side expert witness engagements.
With dual roles in private practice and hospital-based neurosurgery, Dr. Rajamand provides nuanced insights into standard of care, surgical decision-making, postoperative complications, and causation in complex neurological and spine cases.
Areas of Expertise Include:
Minimally Invasive Spine Surgery
Complex Cervical and Lumbar Spine Procedures
Outpatient Spine Surgery
Brain and Spinal Trauma
Neurocritical Care & Stroke
Cauda Equina Syndrome
Spinal Cord Injury
Vertebral Fractures
Failed Back Surgery Syndrome
Surgical Complications and Revision Surgery
Standard of Care Reviews
Medical Necessity and Appropriateness
IMEs & Disability Evaluat...
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Vik Mehta
Neurosurgery Expert - Chairman of Neurosurgery
Irvine, California
Neurological Surgery, Brain Injury Medicine
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Spine surgery, traumatic brain injury, spinal trauma, concussion, TBI, brain surgery, neurosurgeon, brain surgeon, spine surgeon
Board-certified fellowship trained Neurosurgeon and Spine Surgeon and clinical faculty at USC. Trained at The Johns Hopkins University School of Medicine ranked #1 in the United States for 20 consecutive years. Over 10 years medical/legal experience with extensive trial, deposition, IME, and record review experience. Extensive clinical practice in neurosurgery, spine surgery, brain hemorrhage, traumatic brain injury, CSF leak, infections, spinal trauma, car accidents and slip and fall. In depth knowledge of the standard of care in brain and spine surgery and brain and spine injury. Experience in multiple states including California, Nevada, Texas, New York, Pennsylvania, Florida, North Carolina, Utah Oregon, Washington, Arkansas, New Mexico, and Kansas. Law firms please call my cell directly at 949-903-5450.
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Daniel P Sipple, D.O.
Triple Qualified, Unicorn Inventor, Policy Expert
Sipple Medical Innovations
Colorado
Physical Medicine & Rehab, Pain Management - Medicine
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Concussion, Traumatic Brian Injury, Complex Regional Pain Syndrome, Spinal Cord Stimulation, Radiofrequency, Epidural Steroid Injection, EMG, Long Covid, Pain Suffering, Botox, Stroke, Amputation, Spine Surgery, Vertebral Compression Fracture, Burns, Neuropathic Pain, Headache
Dr. Daniel Sipple is board certified in physical medicine and rehabilitation, pain medicine with
added qualifications in concussion and mild traumatic brain injury. He trained at the Shirley Ryan
Ability Lab, served on faculty at the Mayo Clinic in Eau Claire, Wisconsin. He practiced at Midwest
Spine and Brian Institute, Dr. Sipple is a the co-founder of Mayo Clinic Partnered InSitu Biologics,
Acies Medical and Hypercharge Medical. Dr. Sipple served on the Board of Directors for the Society
for Brain Mapping and Therapeutics, part of President Obama’s BRAIN Initiative. In that capacity,
presented internationally at the Neuroscience 20 in conjunction with the G20, and assisted in
SBMT’s effort to raise $500 Million for 31 Federally Funded Tech Hubs. He is the founder of Acies Medical, whose patented Smart Needle is parted with the United Kingdom National Health Service. He advises and or is a board member of a diverse group of emerging neurotech start ups, and is on the cutting e...
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Murray Spruiell, MD
Orthopaedic Spine Surgeon
MDS Medical Consulting
Colorado
Spine Surgery & Spine Care, Orthopedic Surgery
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neck pain, whiplash, back pain, spine surgery, spine, robotic surgery, sciatica, nerve pain, spine fusion, laminectomy, hip pain, knee pain, shoulder pain, neck surgery, cervical fusion, lumbar fusion, cervical spine, lumbar spine, thoracic spine, navigation
Dr. Spruiell is an orthopaedic surgeon with additional fellowship training in spine surgery, and he now focuses his practice on all aspects of adult spinal surgery including cervical, thoracic, and lumbar spinal disorders. He attended medical school at the University of Alabama School of Medicine in Birmingham, AL. He then moved west to join the University of Colorado Department of Orthopedic Surgery for his residency. There, he gained extensive training in the management of degenerative and traumatic orthopaedic and spinal conditions. He then moved to California and completed additional fellowship training in Spine Surgery at the University of California – San Diego. There, he completed a rigorous and comprehensive training in all aspects of adult spine care.
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Hugh D McPherson, MD FRCSC
Experienced Spine Surgeon Expert Witness
Spinal Injury Experts
Englewood, Colorado
Spine Surgery & Spine Care, Orthopedic Surgery
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Spine injuries, Spine Surgery, Motor Vehicle accidents, Slip, Fall, Narrative reports, Fusion surgery, Disc replacement, semi, truck accidents, IME, Causation, back pain, sciatica, neck pain, fracture, surgeon
Dr. McPherson has extensive experience in the evaluation and treatment of spinal injuries and disorders. He has opined on numerous IMEs, narrative reports and in deposition and testimony. He believes in providing reports with meticulous detail and a thorough summary of the records to set the stage for successful testimony in depositions and at trial. Dr. McPherson provides extensive research and cites literature to support his opinions beyond his training and experience alone.
Dr. McPherson is an Orthopedic Spine Surgeon. He is board certified as both a Diplomate of the American Board of Orthopedic Surgery, and as a Fellow of the Royal College of Surgeons. He is originally from Canada and completed his orthopedic surgery residency and medical school at the University of British Columbia in Vancouver, Canada. He completed a fellowship in spine surgery in 2000 at the University of Western Ontario in London, Canada. He completed a second spine fellowship in Nottingham England and a ...
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Alex Zajac, MD
Pediatric/Adult Anesthesiology Expert Witness
A to Z Expert Witness Services, LLC
Wellington, Florida
Anesthesiology, Pediatric Anesthesiology
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General Anesthesia, Pediatric Anesthesia, Neonatal Anesthesia, Regional Anesthesia, Obstetric Anesthesia, Hypoxic Brain Injury, Cardiac Arrest, Difficult Airway, Lost Airway, Hypoxia, Spine Surgery, Monitored Anesthesia Care (MAC), Sedation, Medication Errors, Nerve Injury, Positioning
Award-winning dual board-certified anesthesiologist and pediatric anesthesiologist who trained at Vanderbilt University Medical Center and Ann & Robert H. Lurie Children’s Hospital of Chicago. Licensed in the state of Florida and works full-time as an anesthesiologist/pediatric anesthesiologist at St. Mary’s Medical Center and Palm Beach International Surgery Center in West Palm Beach, Florida. Extensive experience with medical direction; supervising certified registered nurse anesthetists and certified anesthesiologist assistants as well as solo practice. Multiple publications and grand rounds presentations.
Dr. Zajac serves as a medical expert witness in the fields of anesthesiology and pediatric anesthesiology. Dr. Zajac can opine on standard of care and medical malpractice for either plaintiff or defense counsel and is adept in providing his expert opinion on events that occur during the perioperative time period. Unblemished record and highly responsive to emails and phone cal...
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Matthew R Moore, MD, FAANS, FACS
Harvard Trained opinions for spine/brain accidents
Florida Neurosurgical Experts
Lighthouse Point, Florida
Neurological Surgery, Spine Surgery & Spine Care
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Brain Trauma, Concussion, Cranial Surgery, Cranial Trauma, Head Injury, Malpractice, Motor Vehicle Accident, Personal Injury, Spine Surgery, Spine Injury, Subdural Hematoma, whiplash, herniated disc, neck pain, back pain, slip & fall, assault, deficits, memory loss, disability
Dr Moore is a Harvard & Yale trained board certified neurosurgery specialist and served as on-field neurosurgeon for the Miami Dolphins for over 10 years.
Currently, Dr. Moore is Director of Integrated Neurosurgery at the Marcus Neuroscience Institute(MNI) of Baptist Health North in Palm Beach County. He sees clinical patients at three office locations and operates three days / week as a busy clinically active neurosurgeon. He works for the NFL as an Unaffiliated Neurotrauma Consultant (UNC) at the Hard Rock Stadium in Miami.
He was past Chief of Surgery and Director of Neurosurgery at Broward Health North Trauma Center. Dr Moore is the Founding Director of the First JCAHO accredited Spine Care Center in Broward, Palm Beach and Miami Dade counties of South Florida. The Joint Commission on Accreditation of Healthcare Organizations is the oldest, most respected federal inspection authority of healthcare providers.
Dr Moore provides expert, credible, unbiased reviews and testimon...
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Sarah R Lane, DNP, APRN, CRNA
Certified Registered Nurse Anesthetist - CRNA FL
Lane Legal LLC
Westlake, Florida
Nurse Anesthetist, Anesthesiology
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CRNA, Certified Registered Nurse Anesthetist, Anesthesia, General Surgery, Vascular Surgery, Robotic Surgery, Orthopedic surgery, GYN surgery, Thoracic surgery, Bariatric surgery, Podiatry cases, Neuro surgery, Spine surgery, Regional nerve blocks, Peripheral nerve blocks, Laparoscopic Cases, MAC, Fire, Airway, Complications
Doctorally-prepared, board-certified CRNA, Clinical Coordinator, and Director of Education with diverse anesthesia experience across surgical specialties. Vice Chief of Anesthesia. Former Critical Care RN expert witness. Skilled in regional anesthesia, airway management, and perioperative safety. Experience in Orthopedic, robotic, GI, spine/neuro, bariatric, thoracic, vascular, general, podiatry, gyn, cases. Available for plaintiff and defense cases.
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Matthew Miller, PA, MPAS
Neurosurgery Operating Room Physician Assistant
Miller Medical Advisors, LLC.
Boca Raton, Florida
Neurological Surgery, Physician Assistant
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Operating Room, Spine Surgery, Spinal Fusions, Laminectomy, Brain Surgery, Patient Care, Myelopathy, Radiculopathy, Post op Complications, Suturing, Patient Positioning, Patient Draping, Brain Tumor, Hematomas
I am a highly experienced Neurosurgery Physician Assistant, specializing as a First Surgical Assistant with over 2,000 neurosurgical cases completed. With more than five years of dedicated clinical practice, I have gained extensive expertise in managing complex neurosurgical conditions involving both brain and spine pathology. My responsibilities encompass pre-operative evaluation, intra-operative technical assistance, and post-operative management, ensuring optimal patient outcomes across a wide spectrum of neurosurgical procedures.
I practice at a Level 1 trauma center, where I respond to traumatic and emergent neurosurgical cases on call, providing immediate and comprehensive care for critically ill patients. My surgical volume averages 10-15 cases per week, including a diverse range of complex surgeries such as craniotomies, spinal surgeries, vascular procedures, neuro-oncology surgeries, and trauma-related interventions.
My depth of experience includes navigating intricate su...
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Daniel P Sipple, D.O.
Triple Qualified, Unicorn Inventor, Policy Expert
Sipple Medical Innovations
Florida
Physical Medicine & Rehab, Pain Management - Medicine
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Concussion, Traumatic Brian Injury, Complex Regional Pain Syndrome, Spinal Cord Stimulation, Radiofrequency, Epidural Steroid Injection, EMG, Long Covid, Pain Suffering, Botox, Stroke, Amputation, Spine Surgery, Vertebral Compression Fracture, Burns, Neuropathic Pain, Headache
Dr. Daniel Sipple is board certified in physical medicine and rehabilitation, pain medicine with
added qualifications in concussion and mild traumatic brain injury. He trained at the Shirley Ryan
Ability Lab, served on faculty at the Mayo Clinic in Eau Claire, Wisconsin. He practiced at Midwest
Spine and Brian Institute, Dr. Sipple is a the co-founder of Mayo Clinic Partnered InSitu Biologics,
Acies Medical and Hypercharge Medical. Dr. Sipple served on the Board of Directors for the Society
for Brain Mapping and Therapeutics, part of President Obama’s BRAIN Initiative. In that capacity,
presented internationally at the Neuroscience 20 in conjunction with the G20, and assisted in
SBMT’s effort to raise $500 Million for 31 Federally Funded Tech Hubs. He is the founder of Acies Medical, whose patented Smart Needle is parted with the United Kingdom National Health Service. He advises and or is a board member of a diverse group of emerging neurotech start ups, and is on the cutting e...
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Ahmer Ghori, MD
Orthopaedic Spine Surgeon: Standard of Care Expert
Florida
Spine Surgery & Spine Care, Orthopedic Surgery
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Standard of Care, Causation, Spine Surgery, Expert Witness, Delayed Cord Compression Diagnosis, Post Op Neuro Deficit, Spine Surgical Indication, Postop Infection, Spine Trauma, Myelopathy, Disc Herniation, ACDF, Spine Fracture, Cervical Fusion, Lumbar Fusion, Disc Replacement, failed back, spinal cord injury, rev Spine, malpractice
Dr. Ahmer K. Ghori is a board-certified & Harvard trained Orthopaedic Spine surgeon with more than 10 years of independent surgical practice and extensive experience in the diagnosis and treatment of complex spinal disorders. He is a partner at Orthopaedics Northeast in Fort Wayne, Indiana, where he maintains an active high-volume surgical practice focused exclusively on spine surgery.
Dr. Ghori performs approximately 400 spine operations annually and has performed more than 4,000 spine procedures during his independent practice. His clinical work includes treatment of degenerative cervical and lumbar spine disease, cervical myelopathy, spinal trauma, spinal tumors, spinal infections, spinal deformity, and revision spine surgery.
Dr. Ghori completed orthopaedic surgery residency through the Harvard University Orthopaedic Residency Program at Harvard Medical School and subsequently completed specialized spine surgery fellowship training at the Norton Leatherman Spine Center in Loui...
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Neil Brown, MD, PhD, FACS(C) FACS FAANS
Neurological Surgery and Biomechanics
Minimally Invasive Spine & Neurosurgery Inc
Sarasota, Florida
Neurological Surgery, Biomechanics
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neurosurgery, spine surgery, spine injury, brain injury, spinal cord injury, spinal biomechanics, slip and fall, trip and fall, motor vehicle accidents
My clinical opinions are based upon twenty-six years as a practicing board-certified neurosurgeon. Likewise, biomechanical opinions are based upon an BSc (Hon) in Applied Mathematics, an MSc in Physics, and a PhD in Medical Biophysics. I have also been inducted as a member of the American Society of Biomechanics, which as a requirement for membership, requires ten or more biomechanical articles published in peer-reviewed journals. I have testified in over 100 depositions and in 15 trials.
Opinions related to injury causation, especially with regard to Personal Injuries (slip/trip and falls, motor vehicle accidents), are examined qualitatively for biomechanical consistency with the known biodynamics required for injury of structures (typically a question of traumatic causation of disc herniations).
Opinions related to medical malpractice follow the stringent guidelines of impartial testimony by the American Association of Neurological Surgeons. Bad outcomes do not necessary mean ...
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Shawn A Hayden, MD, PhD, MBA
Harvard Trained Orthopedic Spine/Trauma Surgeon
Shawn A. Hayden MD PA
Florida
Spine Surgery & Spine Care, Orthopedic Surgery
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Orthopedic Surgery, Spine Surgery, Sports Medicine and Surgery, Endoscopic Surgery, Minimally Invasive Surgery, Sports Injury, Back Injury, Neck Injury, Whiplash, Concussion, Causation, Case Valuation, Impairment, Medical Devices, Innovation, Understanding EMR, Vehicle Injury Evaluation, Trauma
Dr. Hayden graduated from Harvard College. He received his medical degree from the University of Massachusetts Medical School and his orthopedic training at the Harvard Combined Orthopedics Residency Program. He has been providing high quality medical expert opinions on orthopedic surgical spine and trauma care for years.
Dr. Hayden is also fellowship trained in orthopedic trauma and spine surgery at The Massachusetts General Hospital and The Beth Israel Deaconess Medical Center.
Diplomate of the American Board of Orthopedic Surgery and a Fellow in the American Academy of Orthopedic Surgeons. Dr. Hayden is board certified in Orthopedic Surgery. His Ph.D was received at the UT Southwestern Medical Center with research in computer science and anatomy. In 2011, Dr. Hayden received his MBA from the University of Tennessee.
Today Dr. Hayden runs Onto Orthopedics, a high quality private orthopedic medical practice in Plano, TX. Dr. Hayden’s focus has always been in providing high-tec...
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Richard C Smith, MD
Expert Medical Witness Services
Florida Center for Orthopaedics
Orlando, Florida
Orthopedic Surgery, Spine Surgery & Spine Care
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Orthopedic Surgeon, Spine Surgery, Personal Injury Medical, Workplace Injury Evaluation, Motor Vehicle Accident Injury, Slip and Fall Injury Medical Assessment, Independent Medical Examination (IME) Expert, Expert Testimony in Medical Cases, Personal Injury Legal Cases
Dr. Richard C. Smith, MD, FAAOS
Board-Certified Orthopedic Surgeon | Central Florida
Dr. Richard C. Smith, MD, FAAOS, is a highly experienced, board-certified orthopedic surgeon serving patients throughout Central Florida. With more than 30 years of clinical experience, Dr. Smith has provided expert evaluation, treatment recommendations, and medical opinions for a wide range of orthopedic conditions, including sports-related injuries and complex spinal disorders.
Dr. Smith earned his medical degree from Hahnemann University Medical School and completed his orthopedic surgery residency at the Medical College of Pennsylvania in Philadelphia. He further demonstrated leadership and advanced expertise while serving as Chief of Spinal Surgery at the Naval Hospital in Orlando.
Committed to the highest standards of medical excellence, Dr. Smith is a member of the North American Spine Society and holds fellowships with several distinguished organizations, including the American Academy of...
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Donald Sachs, MD
Neurosurgical Spine Expert Witness
Center for Spinal Stenosis and Neurologic Care
Lakeland, Florida
Neurological Surgery
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Neurosurgical spine , Board-certified neurosurgeon, Spine surgery , Standard of care spine, Causation analysis spine, Complex spinal deformity, Minimally invasive spine, Spinal instrumentation, SI joint fusion , Spine litigation , Biomechanical spine device expert, Spine surgical decision-making, Spine instability & trauma
Donald C. Sachs, MD is a board-certified neurosurgeon and spine surgery expert with nearly 30 years of clinical experience and involvement in the care of over 250,000 neurosurgical patients. He is fellowship trained in complex spinal deformity and reconstruction and is double boarded, holding certification through the American Board of Neurological Surgery and the National Board of Physicians and Surgeons.
Dr. Sachs completed his medical education, internship, residency in neurological surgery, and fellowship training at the University of South Florida College of Medicine. His advanced training includes complex spinal deformity, spinal reconstruction, minimally invasive spine surgery, spinal biomechanics, sacroiliac joint pathology, vertebral augmentation, and spinal instrumentation.
He currently serves as the founder and practicing neurosurgeon at the Center for Spinal Stenosis and Neurologic Care, where he has been in continuous clinical practice since 2010. Earlier in his caree...
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Julian Cameron, M.D.
Orthopedic Spine Surgery
Tamarac, Florida
Orthopedic Surgery, Spine Surgery & Spine Care
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Orthopedic Spine Surgery, Thoracic Spine, Radiculopathy, Low Back Pain, Orthopedic Surgery, Minimally Invasive Spine Surgery, Cervicalgia, Standard of Care, Spine Surgery, Lumbar Spine, Orthobiologics, Disc Arthroplasty, Spine Trauma, Herniated Disc, Microdiscectomy, Kyphoplasty, Cervical Spine, Spondylolisthesis, Spinal Fusion
Dr. Julian Cameron is a board-certified orthopedic and spine surgeon based in Tamarac and Fort Lauderdale, Florida. He completed his undergraduate studies at Morehouse College, earning a B.A. in History in 1996, followed by his medical degree from the University of Miami School of Medicine in 2000. Dr. Cameron went on to complete a five-year residency in orthopedic surgery at Howard University Hospital in Washington, DC (2000–2005), and subsequently pursued specialized fellowship training in orthopedic spine surgery at Sinai Hospital in Baltimore, Maryland (2005–2006). He further served as a Clinical Instructor in Orthopedic Surgery at Howard University Hospital from 2006–2007.
Dr. Cameron has been in clinical practice since 2006 and currently serves as a board-certified orthopedic and spine surgeon at Comprehensive Spine Center, where he has built a long-standing reputation for excellence in patient care. In addition to his clinical practice, he has held an academic appointment...
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Shawn A Hayden, MD, PhD, MBA
Harvard Trained Orthopedic Spine/Trauma Surgeon
Shawn A. Hayden MD PA
Georgia
Spine Surgery & Spine Care, Orthopedic Surgery
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Orthopedic Surgery, Spine Surgery, Sports Medicine and Surgery, Endoscopic Surgery, Minimally Invasive Surgery, Sports Injury, Back Injury, Neck Injury, Whiplash, Concussion, Causation, Case Valuation, Impairment, Medical Devices, Innovation, Understanding EMR, Vehicle Injury Evaluation, Trauma
Dr. Hayden graduated from Harvard College. He received his medical degree from the University of Massachusetts Medical School and his orthopedic training at the Harvard Combined Orthopedics Residency Program. He has been providing high quality medical expert opinions on orthopedic surgical spine and trauma care for years.
Dr. Hayden is also fellowship trained in orthopedic trauma and spine surgery at The Massachusetts General Hospital and The Beth Israel Deaconess Medical Center.
Diplomate of the American Board of Orthopedic Surgery and a Fellow in the American Academy of Orthopedic Surgeons. Dr. Hayden is board certified in Orthopedic Surgery. His Ph.D was received at the UT Southwestern Medical Center with research in computer science and anatomy. In 2011, Dr. Hayden received his MBA from the University of Tennessee.
Today Dr. Hayden runs Onto Orthopedics, a high quality private orthopedic medical practice in Plano, TX. Dr. Hayden’s focus has always been in providing high-tec...
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Ahmer Ghori, MD
Orthopaedic Spine Surgeon: Standard of Care Expert
Illinois
Spine Surgery & Spine Care, Orthopedic Surgery
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Standard of Care, Causation, Spine Surgery, Expert Witness, Delayed Cord Compression Diagnosis, Post Op Neuro Deficit, Spine Surgical Indication, Postop Infection, Spine Trauma, Myelopathy, Disc Herniation, ACDF, Spine Fracture, Cervical Fusion, Lumbar Fusion, Disc Replacement, failed back, spinal cord injury, rev Spine, malpractice
Dr. Ahmer K. Ghori is a board-certified & Harvard trained Orthopaedic Spine surgeon with more than 10 years of independent surgical practice and extensive experience in the diagnosis and treatment of complex spinal disorders. He is a partner at Orthopaedics Northeast in Fort Wayne, Indiana, where he maintains an active high-volume surgical practice focused exclusively on spine surgery.
Dr. Ghori performs approximately 400 spine operations annually and has performed more than 4,000 spine procedures during his independent practice. His clinical work includes treatment of degenerative cervical and lumbar spine disease, cervical myelopathy, spinal trauma, spinal tumors, spinal infections, spinal deformity, and revision spine surgery.
Dr. Ghori completed orthopaedic surgery residency through the Harvard University Orthopaedic Residency Program at Harvard Medical School and subsequently completed specialized spine surgery fellowship training at the Norton Leatherman Spine Center in Loui...
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Ahmer Ghori, MD
Orthopaedic Spine Surgeon: Standard of Care Expert
Fort Wayne, Indiana
Spine Surgery & Spine Care, Orthopedic Surgery
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Standard of Care, Causation, Spine Surgery, Expert Witness, Delayed Cord Compression Diagnosis, Post Op Neuro Deficit, Spine Surgical Indication, Postop Infection, Spine Trauma, Myelopathy, Disc Herniation, ACDF, Spine Fracture, Cervical Fusion, Lumbar Fusion, Disc Replacement, failed back, spinal cord injury, rev Spine, malpractice
Dr. Ahmer K. Ghori is a board-certified & Harvard trained Orthopaedic Spine surgeon with more than 10 years of independent surgical practice and extensive experience in the diagnosis and treatment of complex spinal disorders. He is a partner at Orthopaedics Northeast in Fort Wayne, Indiana, where he maintains an active high-volume surgical practice focused exclusively on spine surgery.
Dr. Ghori performs approximately 400 spine operations annually and has performed more than 4,000 spine procedures during his independent practice. His clinical work includes treatment of degenerative cervical and lumbar spine disease, cervical myelopathy, spinal trauma, spinal tumors, spinal infections, spinal deformity, and revision spine surgery.
Dr. Ghori completed orthopaedic surgery residency through the Harvard University Orthopaedic Residency Program at Harvard Medical School and subsequently completed specialized spine surgery fellowship training at the Norton Leatherman Spine Center in Loui...
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Amanda Mallory Spillman, DMSc, PA-C
Orthopedic Physician Assistant Expert Witness
White Coat Medical Legal Consulting
Walton, Kentucky
Orthopedic Surgery, Physician Assistant
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Physician Assistant, Merit Review, PA Standard of Care, Medical Cost Projection, IME Report Writing, Audit Trail, Orthopedics, Spine Surgery, Sports Medicine, Orthopedic Urgent Care, Emergency Medicine, Auto Accident, Slip and Fall, Spine Injury, EMR, Causation, Triage, Personal Injury, Medical Malpractice
Amanda is an Orthopedic PA with over 19 years of clinical practice experience in orthopedics including orthopedic urgent care and spine surgery and emergency medicine. She received her Doctor of Medical Science from A.T. Still University in 2024 and her Master of Science in Physician Assistant Studies from the University of Kentucky in 2007. She obtained her Certification in Medical Legal Consulting from the University of Tennessee in 2024.
In addition to clinical practice, she serves as Adjunct Faculty for South College's Doctor of Medical Science program and lectures for Thrive AP's Orthopedic Upskilling program. Amanda also serves as a Director at Large for the Academy of Physician Assistants in Legal Medicine (APALM) and serves on the Judicial Affairs Commission for the American Academy of Physician Associates (AAPA). She also participates in orthopedic medical missions in Nicaragua assisting with total joints and spine surgery.
Amanda has served as an expert witness in ...
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Penny P Liu, MD, MBA, FASA
Neuroanesthesiologist 27 years Clinical Experience
Tufts Medical Center
Boston, Massachusetts
Anesthesiology
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Neuroanesthesia, Intraop Awareness, Cranial Nerve Disorder, Trauma, Spine surgery, Cerebral Aneurysm, Nerve injuries, Craniotomy, Stroke, Positioning injuries, Brain Tumor, Anesthesia, Low blood pressure, Hemorrhage, Low heart rate, Low oxygen, Unstable hemodynamics
In my 27 years of clinical, academic and teaching experience in Anesthesiology, I have gained a comprehensive understanding of the practice of Anesthesiology in the combined settings of private, community and academic medicine. I am currently a full-time clinical anesthesiologist at Tufts Medical Center, the Vice Chair for Clinical Affairs in the Department of Anesthesiology, and the Director of Neuroanesthesiology. As the Vice Chair of Clinical Affairs, I am in the position to serve as a "sounding board"/consultant for our anesthesia faculty during our work with patients for various procedures. I am heavily involved in the education of our residents and student nurse anesthetists in Neuroanesthesia through daily case teaching combined with hands-on patient care as well as formal didactic lecture sessions.
I received my medical degree from my hometown at the University of Kansas, completed my Anesthesia residency at Rush Medical Center in Chicago, and recently an Executive Phy...
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Daniel P Sipple, D.O.
Triple Qualified, Unicorn Inventor, Policy Expert
Sipple Medical Innovations
Roseville, Minnesota
Physical Medicine & Rehab, Pain Management - Medicine
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Concussion, Traumatic Brian Injury, Complex Regional Pain Syndrome, Spinal Cord Stimulation, Radiofrequency, Epidural Steroid Injection, EMG, Long Covid, Pain Suffering, Botox, Stroke, Amputation, Spine Surgery, Vertebral Compression Fracture, Burns, Neuropathic Pain, Headache
Dr. Daniel Sipple is board certified in physical medicine and rehabilitation, pain medicine with
added qualifications in concussion and mild traumatic brain injury. He trained at the Shirley Ryan
Ability Lab, served on faculty at the Mayo Clinic in Eau Claire, Wisconsin. He practiced at Midwest
Spine and Brian Institute, Dr. Sipple is a the co-founder of Mayo Clinic Partnered InSitu Biologics,
Acies Medical and Hypercharge Medical. Dr. Sipple served on the Board of Directors for the Society
for Brain Mapping and Therapeutics, part of President Obama’s BRAIN Initiative. In that capacity,
presented internationally at the Neuroscience 20 in conjunction with the G20, and assisted in
SBMT’s effort to raise $500 Million for 31 Federally Funded Tech Hubs. He is the founder of Acies Medical, whose patented Smart Needle is parted with the United Kingdom National Health Service. He advises and or is a board member of a diverse group of emerging neurotech start ups, and is on the cutting e...
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Sanat Dixit, MD MBA
Neurosurgeon, Spine / Stroke Specialist & MBA
372719713972003
Mississippi
Neurological Surgery, Spine Surgery & Spine Care
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Neurosurgery, Spine Surgery, Neurointerventional Surgery, Neuroendovascular Surgery, Cerebrovascular Surgery, Stroke, Stroke Intervention, Mechanical Thrombectomy, Acute Ischemic Stroke, Large Vessel Occlusion, Stroke Systems of Care, Lumbar Spine Surgery, Cervical Spine Surgery
Neurosurgery • Complex Spine • Stroke Systems of Care • Neurointerventional Surgery • Healthcare Operations
Dr. Sanat Dixit is a board-certified neurosurgeon with more than 25 years of clinical experience treating complex disorders of the brain, spine, and cerebrovascular system. Since entering practice in 2001, he has maintained an active surgical practice with extensive experience in cranial, cerebrovascular, endovascular, and spine surgery. His clinical experience includes more than 2,000 cranial neurosurgical procedures, over 2,500 neuroendovascular procedures, and more than 3,000 complex spine surgical procedures.
Dr. Dixit completed residency training in neurological surgery at The Penn State Milton S Hershey Medical Center, followed by fellowship training in cerebrovascular and endovascular neurosurgery at the Semmes Murphey Neurologic and Spine Institute. His expertise includes acute ischemic stroke, mechanical thrombectomy, cerebral aneurysms, carotid artery disease, intr...
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Tobias A Mattei, MD
Saint Louis University
St. Louis, Missouri
Neurological Surgery, Spine Surgery & Spine Care
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spine surgery, lumbar disc herniation, spinal fusion, spinal trauma, spinal fracture, kyphoplasty, vertebroplasty, spinal cord injury, myelopathy, radiculopathy, artificial disc replacement, spinal cord stimulation, failed back syndrome, chronic back pain, pseudarthrosis
I am a fellowship-trained academic neurosurgeon specialized in complex spine/deformity surgery, currently practicing as Assistant Professor of the Division of Neurosurgery of St. Louis University. I have been an active member of the North American Spine Society, American Association of Neurological Surgeons, Congress of Neurological Surgeons as well as many other international societies.
I am member of the editorial board of The Spine Journal and Deputy Editor of the North American Spine Society Journal, the new open access initiative of the North American Spine Society. I am an active reviewer of several other neurosurgical journals including World Neurosurgery, Clinical Neurology & Neurosurgery, Journal of Clinical Neuroscience, Osteoarthritis & Cartilage, Journal of Engineering in Medicine: Part H, British Journal of Neurosurgery and Neurological Sciences.
I have already provided expert review services for several scientific funding agencies in the U.S. (including the NIH P...
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Frank O Petkovich, MD
Petkovich Orthopedic and Spine Care, LLC
St. Louis, Missouri
Orthopedic Surgery, Spine Surgery & Spine Care
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Orthopedics, Orthopedic Surgery, Orthopedic Surgeon, Upper Extremity, Lower Extremity, Spine Surgery, Spine Surgeon, Cervical Spine, Thoracic Spine, Lumbar Spine, back injury, neck injury, back conditions, neck conditions, Workers Compensation, Personal Injury
**Licensed in Missouri and Illinois
Dr. Petkovich was born and raised in St. Louis, Missouri. He received his undergraduate degree from University of Missouri, St. Louis, and medical degree from Saint Louis University. He is certified by the American Board of Orthopaedic Surgery and American Board of Independent Medical Examiners (CIME).
Fellow, American College of Surgeons
Fellow, American Academy of Orthopaedic Surgeons
Fellow and founding member, North American Spine Society
Certified 6th edition AMA Guides to the Evaluation of Permanent Impairment
25% of practice includes IMEs and medical record reviews. Reports, if requested, generated in a timely manner. Multiple orthopedic body parts, including spine, examined or reviewed if requested. Practice includes general orthopedics, upper and lower extremities and spinal conditions. He is licensed in both Missouri and Illinois.
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Sina Rajamand, DO, FACOS
Board Certified Neurosurgeon Expert Witness
Golden State Neurosurgery
Nevada
Neurological Surgery, Spine Surgery & Spine Care
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Spine, brain, pain, back pain, neck, lower back, neuro, neurosurgery, spine surgery
Expertise
Board-certified neurosurgeon with specialized expertise in minimally invasive spine surgery, complex spinal reconstruction, neurotrauma, and brain and spinal disorders. He brings extensive experience as a treating surgeon, consultant, and practice leader, and has participated in both defense and plaintiff-side expert witness engagements.
With dual roles in private practice and hospital-based neurosurgery, Dr. Rajamand provides nuanced insights into standard of care, surgical decision-making, postoperative complications, and causation in complex neurological and spine cases.
Areas of Expertise Include:
Minimally Invasive Spine Surgery
Complex Cervical and Lumbar Spine Procedures
Outpatient Spine Surgery
Brain and Spinal Trauma
Neurocritical Care & Stroke
Cauda Equina Syndrome
Spinal Cord Injury
Vertebral Fractures
Failed Back Surgery Syndrome
Surgical Complications and Revision Surgery
Standard of Care Reviews
Medical Necessity and Appropriateness
IMEs & Disability Evaluat...
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Matthew W Wilkening, MD
Orthopedist - Expert NH Independent Medical Evals
Prime Consulting NH
Manchester, New Hampshire
Orthopedic Surgery, Spine Surgery & Spine Care
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spine surgery, orthopedic surgery, Independent medical examination (IME), IME, medical chart review, spinal surgeon, worker's compensation, personal injury, orthopedist, permanent impairment rating, PIR
Dr. Matthew W. Wilkening is a board-certified Orthopedic Surgeon who has made significant contributions to the medical field through research and military service. A Johns Hopkins spine surgery Fellow who completed his residency and was awarded “Intern of the Year” at Spectrum Health/Michigan State University, Dr. Wilkening received his doctorate from the University of Cincinnati College of Medicine and bachelor’s at The United States Naval Academy.
Excelling through aviation ranks to Commanding Officer, Dr. Wilkening earned numerous recognitions while based in the US and on international deployments. In the past 25+ years, the unique combination of civilian and military service has shaped his unwavering commitment to provide exceptional medical knowledge and care. His widely respected orthopedic expertise, research contributions, leadership skills, and community loyalty enables Dr. Wilkening to leave a lasting positive impact on the lives of others.
A trusted medical examiner for...
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Ahmer Ghori, MD
Orthopaedic Spine Surgeon: Standard of Care Expert
New Jersey
Spine Surgery & Spine Care, Orthopedic Surgery
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Standard of Care, Causation, Spine Surgery, Expert Witness, Delayed Cord Compression Diagnosis, Post Op Neuro Deficit, Spine Surgical Indication, Postop Infection, Spine Trauma, Myelopathy, Disc Herniation, ACDF, Spine Fracture, Cervical Fusion, Lumbar Fusion, Disc Replacement, failed back, spinal cord injury, rev Spine, malpractice
Dr. Ahmer K. Ghori is a board-certified & Harvard trained Orthopaedic Spine surgeon with more than 10 years of independent surgical practice and extensive experience in the diagnosis and treatment of complex spinal disorders. He is a partner at Orthopaedics Northeast in Fort Wayne, Indiana, where he maintains an active high-volume surgical practice focused exclusively on spine surgery.
Dr. Ghori performs approximately 400 spine operations annually and has performed more than 4,000 spine procedures during his independent practice. His clinical work includes treatment of degenerative cervical and lumbar spine disease, cervical myelopathy, spinal trauma, spinal tumors, spinal infections, spinal deformity, and revision spine surgery.
Dr. Ghori completed orthopaedic surgery residency through the Harvard University Orthopaedic Residency Program at Harvard Medical School and subsequently completed specialized spine surgery fellowship training at the Norton Leatherman Spine Center in Loui...
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Daniel P Sipple, D.O.
Triple Qualified, Unicorn Inventor, Policy Expert
Sipple Medical Innovations
New Jersey
Physical Medicine & Rehab, Pain Management - Medicine
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Concussion, Traumatic Brian Injury, Complex Regional Pain Syndrome, Spinal Cord Stimulation, Radiofrequency, Epidural Steroid Injection, EMG, Long Covid, Pain Suffering, Botox, Stroke, Amputation, Spine Surgery, Vertebral Compression Fracture, Burns, Neuropathic Pain, Headache
Dr. Daniel Sipple is board certified in physical medicine and rehabilitation, pain medicine with
added qualifications in concussion and mild traumatic brain injury. He trained at the Shirley Ryan
Ability Lab, served on faculty at the Mayo Clinic in Eau Claire, Wisconsin. He practiced at Midwest
Spine and Brian Institute, Dr. Sipple is a the co-founder of Mayo Clinic Partnered InSitu Biologics,
Acies Medical and Hypercharge Medical. Dr. Sipple served on the Board of Directors for the Society
for Brain Mapping and Therapeutics, part of President Obama’s BRAIN Initiative. In that capacity,
presented internationally at the Neuroscience 20 in conjunction with the G20, and assisted in
SBMT’s effort to raise $500 Million for 31 Federally Funded Tech Hubs. He is the founder of Acies Medical, whose patented Smart Needle is parted with the United Kingdom National Health Service. He advises and or is a board member of a diverse group of emerging neurotech start ups, and is on the cutting e...
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Philip Smucker, MD
Neurosurgery MD - 17 years practice spine + brain
Santa Fe, New Mexico
Neurological Surgery, Spine Surgery & Spine Care
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spine, brain, peripheral nerve, lumbar, cervical, thoracic, spine surgery, fusion, myelopathy, cauda equina syndrome, lumbar stenosis, brain injury, subdural, head injury, fracture, hematoma, disc, infection, minimally invasive, trauma
I am available for neurosurgery and spine surgery expert witness and Independent Medical Examination services.
I am a board certified neurosurgeon, actively practicing full brain and spine surgery along with neurosurgery clinic at a regional medical center, including elective/urgent/trauma surgeries. I have worked 17+ years in one stable practice.
My primary neurosurgery focus is on spine, brain, and trauma.
I graduated with multiple scholarships from Indiana University, the largest medical school in the country, and did 7 years of neurosurgery residency covering 5 hospitals following that time.
My academic achievements include 99th percentile national scores on USMLE step 1 medical boards, and 95th percentile nationally for neurosurgery written boards.
I have been published in peer-reviewed journals and served in many administrative roles.
I was elected to 2 terms (4 years) as department of surgery chair, and I currently serve as section of neurosurgery lead physician. I se...
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Jad Bou Monsef, MD
Academic Board-Certified Spine Surgeon | IME | NY
Jad Bou Monsef
Brooklyn, New York
Spine Surgery & Spine Care, Orthopedic Surgery
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Expert witness, Expert testimony, Disc herniation, Myelopathy, Personal injury, Spine surgery, Cervical spine, Spinal stenosis, Causation analysis, No-fault, Board-certified, Thoracic spine, Pre-existing, Spinal fusion, Radiculopathy, Independent medical examination, Lumbar spine, Surgical necessity, Workers compensation, Spine trauma
Dr. Jad Bou Monsef is a board-certified orthopedic spine surgeon and Assistant Professor in the Department of Orthopaedic Surgery & Rehabilitation Medicine at SUNY Downstate Health Sciences University. He completed advanced fellowship training in spine surgery at the Mayo Clinic and maintains an active surgical practice at SUNY Downstate Medical Center and Maimonides Medical Center in Brooklyn, New York.
Dr. Bou Monsef provides independent medical examinations and causation analysis for spine-related matters throughout New York. His active surgical practice gives him a current, clinically grounded perspective on the injuries and surgical decisions most commonly encountered in complex medicolegal matters.
Areas of evaluation include cervical and lumbar disc herniations and radiculopathy, spinal stenosis, degenerative disc disease, traumatic and post-surgical spine conditions, causation and apportionment in the setting of pre-existing pathology, surgical necessity and appropriatenes...
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Ahmer Ghori, MD
Orthopaedic Spine Surgeon: Standard of Care Expert
New York
Spine Surgery & Spine Care, Orthopedic Surgery
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Standard of Care, Causation, Spine Surgery, Expert Witness, Delayed Cord Compression Diagnosis, Post Op Neuro Deficit, Spine Surgical Indication, Postop Infection, Spine Trauma, Myelopathy, Disc Herniation, ACDF, Spine Fracture, Cervical Fusion, Lumbar Fusion, Disc Replacement, failed back, spinal cord injury, rev Spine, malpractice
Dr. Ahmer K. Ghori is a board-certified & Harvard trained Orthopaedic Spine surgeon with more than 10 years of independent surgical practice and extensive experience in the diagnosis and treatment of complex spinal disorders. He is a partner at Orthopaedics Northeast in Fort Wayne, Indiana, where he maintains an active high-volume surgical practice focused exclusively on spine surgery.
Dr. Ghori performs approximately 400 spine operations annually and has performed more than 4,000 spine procedures during his independent practice. His clinical work includes treatment of degenerative cervical and lumbar spine disease, cervical myelopathy, spinal trauma, spinal tumors, spinal infections, spinal deformity, and revision spine surgery.
Dr. Ghori completed orthopaedic surgery residency through the Harvard University Orthopaedic Residency Program at Harvard Medical School and subsequently completed specialized spine surgery fellowship training at the Norton Leatherman Spine Center in Loui...
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Ananth Eleswarapu
Board Certified Spine Surgeon
Bronx, New York
Spine Surgery & Spine Care, Orthopedic Surgery
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Diskectomy / Discectomy, Herniated Disk, Spine Surgery, Scoliosis, Cauda Equina Syndrome, Degenerative disease, Back pain, Back problems, Sciatica, Spine Deformation, Numbness, Cervical, Thoracic, Lumbar, Post Laminectomy Syndrome, Radiculitis, Spinal Cord, back injury, neck injury, Tingling
Credentials:
American Board of Orthopedic Surgery
Affiliations:
Assistant Professor of Orthopedic Surgery and Neurosurgery
AO Spine North America
Hospital Affiliations:
Montefiore Medical Center
Ananth Eleswarapu, MD is an Orthopedic Spine Surgeon, Assistant Professor of Orthopedics and Neurosurgery, and Associate Director of the Spine Center at Montefiore-Einstein. Dr. Eleswarapu’s clinical focus is on the operative and non-operative treatment of disorders of the spine, including scoliosis, infections, tumors, fractures and degenerative disease.
After receiving his Bachelor of Arts from Columbia University in 2006, Dr. Eleswarapu attended the University of Pittsburgh School of Medicine, earning his Doctor of Medicine in 2011. He began his postdoctoral training as a resident in orthopedic surgery at the University of Chicago Medical Center, completing his residency in 2016. Dr. Eleswarapu then attended University of California Davis Medical Center for a yearlong fellowship in...
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Kristopher T. Kimmell, MD
Board Certified Neurosurgeon Expert Witness
Kristopher T. Kimmell MD PLLC
Rochester, New York
Neurological Surgery
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Spine surgery, Cranial surgery, Brain tumors, Spine tumors, Shunts, Spine fusions, Pituitary tumors, Cerebrovascular disease, Spine trauma, Cranial trauma, Deep brain stimulation, Aneurysms, AVMs, Neuro-oncology
I am board-certified neurosurgeon with very broad clinical skillset with nearly ten years experience in a wide variety of surgical procedures. I am active in clinical practice and can provide medico-legal expert witness services covering a number of neurosurgical procedures and case types.
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Rasel Rana, DO, JD
Board certified orthopedic spine surgeon
Setauket, New York
Orthopedic Surgery, Spine Surgery & Spine Care
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Orthopedic surgery, Spine surgery, Attorney, Doctor Lawyer, Fracture, Total joints, Veteran, Board Certified, Esquire
Dr. Rana is a Board Certified fellowship trained Orthopedic Spine Surgeon. He has been in practice of orthopedic surgery for over 14 years. Dr. Rana has performed over 5,000 orthopedic surgical procedures. Dr. Rana's areas of clinical expertise include issues involving the knee, hips, shoulder, spine and fracture care. He is also an attorney and admitted to the bar in the state of Connecticut.
Dr. Rana is a veteran of the United States Army and was the chief of orthopedic surgery at McDonald Army Medical Center in Newport News, Virginia. He holds academic appointment of clinical assistant professor of orthopedic and spine surgery at Stony Brook School of Medicine.
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WOOJIN CHO, MD, PhD
Orthopedic Spine Surgeon – Complex Spine Disorders
HARTSDALE, New York
Orthopedic Surgery, Artificial Intelligence
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Adult spinal deformity, Degenerative, Thoracolumbar, Cervical, Biomechanics, Spine surgery, Standards of care, Surgical indications, Postoperative complications, Failed back surgery, Spinal instrumentation, Medical record review, Expert medical opinion, Pseudarthrosis, Complex spine cases, Evidence-based medicine, Trauma, Fracture, AI
I am an orthopedic spine specialist with extensive experience in adult spinal deformity, degenerative spine disease, and spinal biomechanics. I completed my medical training and orthopedic surgery residency at Hanyang University Hospital in Korea, followed by advanced spine fellowship training and research fellowships in the United States, including Twin Cities Spine Center, Washington University in St. Louis, the University of Virginia, and the Hospital for Special Surgery (HSS) in New York.
My professional background includes academic and clinical appointments in both Korea and the United States, as well as years of experience in spine research, education, and complex case management. I have served as a faculty member and research director in an academic spine center and have been actively involved in peer-reviewed publications, clinical research, and medical education.
My areas of expertise include adult spinal deformity, thoracolumbar and cervical spine disorders, spinal biome...
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Cynthia Cross, MSN, RN, CCRN, CNSc
Nursing Practice Expert- All Inpatient Specialties
Franklinton, North Carolina
Nurse, Neurology
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Critical Care, Stroke, Brain Injury, Spine Surgery, Neurologic Surgery, Medical-Surgical Conditions, Pharmacology, Patient Safety, Clinical Documentation, Care Planning, Scope of Nursing Practice
Neuroscience Clinical Nurse Specialist with certification in Adult Critical Care practicing in a large health care system. Current practice includes providing direct patient care and being a neurologic expert for nursing staff and liaison for the medical team members. Ensure evidence based practice for neuroscience population and nursing practice within scope of licensure. Investigate patient safety risk with implementation of quality improvement as needed.
Extensive experience with Stroke, Spine Surgery, Brain Surgery, Critical Care, Medical-Surgical & Ambulatory Care populations. Clinical focus and experience incorporating and ensuring standards of care, evidence based practice, scope of practice, quality improvement, electronic medical record documentation, patient safety, policy and guideline implementation, and expectations of interprofessional clinical practice.
Experience as legal nursing expert for over 6 years.
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Daniel P Sipple, D.O.
Triple Qualified, Unicorn Inventor, Policy Expert
Sipple Medical Innovations
Ohio
Physical Medicine & Rehab, Pain Management - Medicine
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Concussion, Traumatic Brian Injury, Complex Regional Pain Syndrome, Spinal Cord Stimulation, Radiofrequency, Epidural Steroid Injection, EMG, Long Covid, Pain Suffering, Botox, Stroke, Amputation, Spine Surgery, Vertebral Compression Fracture, Burns, Neuropathic Pain, Headache
Dr. Daniel Sipple is board certified in physical medicine and rehabilitation, pain medicine with
added qualifications in concussion and mild traumatic brain injury. He trained at the Shirley Ryan
Ability Lab, served on faculty at the Mayo Clinic in Eau Claire, Wisconsin. He practiced at Midwest
Spine and Brian Institute, Dr. Sipple is a the co-founder of Mayo Clinic Partnered InSitu Biologics,
Acies Medical and Hypercharge Medical. Dr. Sipple served on the Board of Directors for the Society
for Brain Mapping and Therapeutics, part of President Obama’s BRAIN Initiative. In that capacity,
presented internationally at the Neuroscience 20 in conjunction with the G20, and assisted in
SBMT’s effort to raise $500 Million for 31 Federally Funded Tech Hubs. He is the founder of Acies Medical, whose patented Smart Needle is parted with the United Kingdom National Health Service. He advises and or is a board member of a diverse group of emerging neurotech start ups, and is on the cutting e...
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Shawn A Hayden, MD, PhD, MBA
Harvard Trained Orthopedic Spine/Trauma Surgeon
Shawn A. Hayden MD PA
Ohio
Spine Surgery & Spine Care, Orthopedic Surgery
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Orthopedic Surgery, Spine Surgery, Sports Medicine and Surgery, Endoscopic Surgery, Minimally Invasive Surgery, Sports Injury, Back Injury, Neck Injury, Whiplash, Concussion, Causation, Case Valuation, Impairment, Medical Devices, Innovation, Understanding EMR, Vehicle Injury Evaluation, Trauma
Dr. Hayden graduated from Harvard College. He received his medical degree from the University of Massachusetts Medical School and his orthopedic training at the Harvard Combined Orthopedics Residency Program. He has been providing high quality medical expert opinions on orthopedic surgical spine and trauma care for years.
Dr. Hayden is also fellowship trained in orthopedic trauma and spine surgery at The Massachusetts General Hospital and The Beth Israel Deaconess Medical Center.
Diplomate of the American Board of Orthopedic Surgery and a Fellow in the American Academy of Orthopedic Surgeons. Dr. Hayden is board certified in Orthopedic Surgery. His Ph.D was received at the UT Southwestern Medical Center with research in computer science and anatomy. In 2011, Dr. Hayden received his MBA from the University of Tennessee.
Today Dr. Hayden runs Onto Orthopedics, a high quality private orthopedic medical practice in Plano, TX. Dr. Hayden’s focus has always been in providing high-tec...
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Mark Prudente, CRNA
Bala Cynwyd, Pennsylvania
Nurse Anesthetist, Anesthesiology
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Anesthesia, Airway management, Monitored Anesthesia Care (MAC), Endoscopy anesthesia, Level 1 Trauma, Orthopedic surgery, Spine surgery, General Anesthesia, Urologic anesthesia, Intubation
I am a highly skilled CRNA with over 6 years of clinical experience in anesthesia care across a wide variety of specialties, including trauma, neurosurgery, orthopedics, vascular, cardiac, and more. I have worked in diverse environments, from level 1 trauma centers to outpatient surgical settings, where I have developed expertise in providing general, spinal, and monitored anesthesia care (MAC) to a broad range of patients.
In addition to my hands-on clinical expertise, I possess strong critical thinking, problem-solving, and communication skills, making me well-suited for expert witness work. I can provide testimony on anesthesia-related adverse events, standard of care in anesthesia practice, and clinical best practices.
I have worked in high-acuity environments, including trauma centers and academic hospitals, where I have been responsible for formulating and executing anesthesia plans for complex surgical cases. This experience also includes emergency airway management, cent...
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Matthew Tormenti, MD, MBA
Newtown, Pennsylvania
Spine Surgery & Spine Care, Neurological Surgery
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Spine Surgery, Spinal Fusion, microdiscectomy, cervical fusion, TLIF, Traumatic Brain Injury, Concussion, Mild Traumatic Brain Injury, Healthcare Economics Intraoperative Neuromonitoring, Cauda equina, pedicle screw, Spinal cord injury, spinal cord stimulation
I am a board-certified neurosurgeon with an active clinical practice based in New Jersey and Pennsylvania. I am a down to earth and straightforward individual. Patients often comment on my approachability. I received my residency training at the University of Pittsburgh, one of the top rated clinical and research programs in the country. I've authored over 20 peer reviewed articles and given presentations nationally and internationally. I operate at several community hospitals in Pennsylvania and New Jersey. I was the Chief of Neurosurgery at a level -2 Trauma center in Pennsylvania for 5 years. Consistently, I am selected for Castle Connolly Top Doctors and Philadelphia Magazine Top Doctors. Following several years in practice I went back to school to obtain my MBA from the Wharton School of Business at the University of Pennsylvania. I currently am a partner at my practice and assist with management and strategy development and deployment. I have testified numerous times as an e...
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Kate Wise, DNP
Mt Pleasant, South Carolina
Nurse Practitioner, Nurse
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pediatrics, family medicine, inpatient, outpatient, critical care, urology, nephrology, child abuse, developmental disabilities, surgery, general practice, medical management, genetics, nutrition, obesity, pain management, radiology, physician assistant, spine surgery, pediatric urology
I am a board certified Family medicine nurse practitioner with over 16 years of experience in the nursing field. My background encompasses critical care, inpatient and outpatient nursing, family medicine, and extensive pediatric specialty experience. I have been requested as a guest speaker for both doctoral level students and various specialty conferences over the years. I am proficient in medical chart reviewing, and my work as both an RN and as a medical provider gives me a unique perspective to bring as an expert witness. My exceptional oral and written skills as well as outstanding time management serve as a significant benefit to the attorney and case at hand. I am enthusiastic to save the attorney both time and money while providing excellent expert witness services.
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Patrick Alan Stone
Vascular Surgeon -Vanderbilt University Faculty
Stone Consultants
Nashville, Tennessee
Vascular Surgery
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Limb Loss/ ischemia, Bleeding /cardiac cath, DVT, Compartment syndrome, Retained intravascular Foreign Bod, Carotid stenosis and aneurysm, av access complications, Aneurysm pseudoaneurysm, Vascular site Infection, Wrong Site Surgery, Spine Surgery, knee dislocation , Vascular Trauma, Retroperitoneal bleed
Patrick A. Stone, MD, RVT, RPVI, FACS is a Board Certified, Professor of Vascular Surgery at Vanderbilt University Medical Center. He is currently the Vascular Surgery Fellowship Program Director, Director of the Vascular Laboratory and Vice Chair of the Department of Vascular Surgery. He graduated with his MD from Marshall University School of Medicine and completed Residency training at West Virginia University, Charleston Division and Fellowship at the University of South Florida. He has 19 years of clinical experience caring for a wide variety of Vascular Surgery patients. He is boarded in Vascular Surgery and General Surgery with over 100 publications, a writer for up to date, editor and chief of the Second and Third edition of the Vascular Surgery Combat Manual and a Distinguished Fellow of the Society of Vascular Surgery. He has held multiple positions within the Vascular Surgery Societies. He has received multiple teaching and patient satisfaction awards. Dr. Stone has been ...
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Sanat Dixit, MD MBA
Neurosurgeon, Spine / Stroke Specialist & MBA
372719713972003
Brentwood, Tennessee
Neurological Surgery, Spine Surgery & Spine Care
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Neurosurgery, Spine Surgery, Neurointerventional Surgery, Neuroendovascular Surgery, Cerebrovascular Surgery, Stroke, Stroke Intervention, Mechanical Thrombectomy, Acute Ischemic Stroke, Large Vessel Occlusion, Stroke Systems of Care, Lumbar Spine Surgery, Cervical Spine Surgery
Neurosurgery • Complex Spine • Stroke Systems of Care • Neurointerventional Surgery • Healthcare Operations
Dr. Sanat Dixit is a board-certified neurosurgeon with more than 25 years of clinical experience treating complex disorders of the brain, spine, and cerebrovascular system. Since entering practice in 2001, he has maintained an active surgical practice with extensive experience in cranial, cerebrovascular, endovascular, and spine surgery. His clinical experience includes more than 2,000 cranial neurosurgical procedures, over 2,500 neuroendovascular procedures, and more than 3,000 complex spine surgical procedures.
Dr. Dixit completed residency training in neurological surgery at The Penn State Milton S Hershey Medical Center, followed by fellowship training in cerebrovascular and endovascular neurosurgery at the Semmes Murphey Neurologic and Spine Institute. His expertise includes acute ischemic stroke, mechanical thrombectomy, cerebral aneurysms, carotid artery disease, intr...
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Daniel P Sipple, D.O.
Triple Qualified, Unicorn Inventor, Policy Expert
Sipple Medical Innovations
Texas
Physical Medicine & Rehab, Pain Management - Medicine
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Concussion, Traumatic Brian Injury, Complex Regional Pain Syndrome, Spinal Cord Stimulation, Radiofrequency, Epidural Steroid Injection, EMG, Long Covid, Pain Suffering, Botox, Stroke, Amputation, Spine Surgery, Vertebral Compression Fracture, Burns, Neuropathic Pain, Headache
Dr. Daniel Sipple is board certified in physical medicine and rehabilitation, pain medicine with
added qualifications in concussion and mild traumatic brain injury. He trained at the Shirley Ryan
Ability Lab, served on faculty at the Mayo Clinic in Eau Claire, Wisconsin. He practiced at Midwest
Spine and Brian Institute, Dr. Sipple is a the co-founder of Mayo Clinic Partnered InSitu Biologics,
Acies Medical and Hypercharge Medical. Dr. Sipple served on the Board of Directors for the Society
for Brain Mapping and Therapeutics, part of President Obama’s BRAIN Initiative. In that capacity,
presented internationally at the Neuroscience 20 in conjunction with the G20, and assisted in
SBMT’s effort to raise $500 Million for 31 Federally Funded Tech Hubs. He is the founder of Acies Medical, whose patented Smart Needle is parted with the United Kingdom National Health Service. He advises and or is a board member of a diverse group of emerging neurotech start ups, and is on the cutting e...
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Ahmer Ghori, MD
Orthopaedic Spine Surgeon: Standard of Care Expert
Texas
Spine Surgery & Spine Care, Orthopedic Surgery
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Standard of Care, Causation, Spine Surgery, Expert Witness, Delayed Cord Compression Diagnosis, Post Op Neuro Deficit, Spine Surgical Indication, Postop Infection, Spine Trauma, Myelopathy, Disc Herniation, ACDF, Spine Fracture, Cervical Fusion, Lumbar Fusion, Disc Replacement, failed back, spinal cord injury, rev Spine, malpractice
Dr. Ahmer K. Ghori is a board-certified & Harvard trained Orthopaedic Spine surgeon with more than 10 years of independent surgical practice and extensive experience in the diagnosis and treatment of complex spinal disorders. He is a partner at Orthopaedics Northeast in Fort Wayne, Indiana, where he maintains an active high-volume surgical practice focused exclusively on spine surgery.
Dr. Ghori performs approximately 400 spine operations annually and has performed more than 4,000 spine procedures during his independent practice. His clinical work includes treatment of degenerative cervical and lumbar spine disease, cervical myelopathy, spinal trauma, spinal tumors, spinal infections, spinal deformity, and revision spine surgery.
Dr. Ghori completed orthopaedic surgery residency through the Harvard University Orthopaedic Residency Program at Harvard Medical School and subsequently completed specialized spine surgery fellowship training at the Norton Leatherman Spine Center in Loui...
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Shawn A Hayden, MD, PhD, MBA
Harvard Trained Orthopedic Spine/Trauma Surgeon
Shawn A. Hayden MD PA
Plano, Texas
Spine Surgery & Spine Care, Orthopedic Surgery
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Orthopedic Surgery, Spine Surgery, Sports Medicine and Surgery, Endoscopic Surgery, Minimally Invasive Surgery, Sports Injury, Back Injury, Neck Injury, Whiplash, Concussion, Causation, Case Valuation, Impairment, Medical Devices, Innovation, Understanding EMR, Vehicle Injury Evaluation, Trauma
Dr. Hayden graduated from Harvard College. He received his medical degree from the University of Massachusetts Medical School and his orthopedic training at the Harvard Combined Orthopedics Residency Program. He has been providing high quality medical expert opinions on orthopedic surgical spine and trauma care for years.
Dr. Hayden is also fellowship trained in orthopedic trauma and spine surgery at The Massachusetts General Hospital and The Beth Israel Deaconess Medical Center.
Diplomate of the American Board of Orthopedic Surgery and a Fellow in the American Academy of Orthopedic Surgeons. Dr. Hayden is board certified in Orthopedic Surgery. His Ph.D was received at the UT Southwestern Medical Center with research in computer science and anatomy. In 2011, Dr. Hayden received his MBA from the University of Tennessee.
Today Dr. Hayden runs Onto Orthopedics, a high quality private orthopedic medical practice in Plano, TX. Dr. Hayden’s focus has always been in providing high-tec...
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Jordan Amadio, MD, MBA
University Prof Neurosurgeon - Spine/Trauma Expert
University of Texas - Austin
Austin, Texas
Neurological Surgery, Spine Surgery & Spine Care
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Spine surgery, Degenerative spine, Neuro-trauma, Neurosurgery, Spine trauma, Spinal fusion, Back pain, Neck pain, Motor vehicle accidents, Surgical complications, Minimally invasive surgery, Neurostimulation, Head trauma, Traumatic Brain Injury (TBI), Subdural hematoma, Concussion, Brain surgery
I am a U.S. board certified neurosurgeon with over 15 years of experience treating patients at some of the nation's busiest Level 1 and Level 2 trauma centers, as well as elective patients requiring brain surgery or complex/ minimally invasive spine surgery. I am on faculty in the Neurosurgery Department at the University of Texas at Austin, where I teach residents the nuances of trauma neurosurgery and conduct research on new types of robotic spine surgery instrumentation. I maintain a high-volume clinical practice spanning both spine and brain surgery, for both degenerative and traumatic conditions. I am a sought-after consultant and expert in the medical device industry and have numerous peer-reviewed publications and patents. For the past 6 years, I have been fortunate to serve as a medicolegal expert in numerous cases. I am a member in good standing of the Congress of Neurological Surgeons, the North American Spine Society, and a Fellow of the American Association of Neurologic...
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Julian Cameron, M.D.
Orthopedic Spine Surgery
Washington
Orthopedic Surgery, Spine Surgery & Spine Care
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Orthopedic Spine Surgery, Thoracic Spine, Radiculopathy, Low Back Pain, Orthopedic Surgery, Minimally Invasive Spine Surgery, Cervicalgia, Standard of Care, Spine Surgery, Lumbar Spine, Orthobiologics, Disc Arthroplasty, Spine Trauma, Herniated Disc, Microdiscectomy, Kyphoplasty, Cervical Spine, Spondylolisthesis, Spinal Fusion
Dr. Julian Cameron is a board-certified orthopedic and spine surgeon based in Tamarac and Fort Lauderdale, Florida. He completed his undergraduate studies at Morehouse College, earning a B.A. in History in 1996, followed by his medical degree from the University of Miami School of Medicine in 2000. Dr. Cameron went on to complete a five-year residency in orthopedic surgery at Howard University Hospital in Washington, DC (2000–2005), and subsequently pursued specialized fellowship training in orthopedic spine surgery at Sinai Hospital in Baltimore, Maryland (2005–2006). He further served as a Clinical Instructor in Orthopedic Surgery at Howard University Hospital from 2006–2007.
Dr. Cameron has been in clinical practice since 2006 and currently serves as a board-certified orthopedic and spine surgeon at Comprehensive Spine Center, where he has built a long-standing reputation for excellence in patient care. In addition to his clinical practice, he has held an academic appointment...
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David A Lundin, MD, FAANS, FACNS
Neurosurgery and Spine Surgery Expert Witness
Synapse Neurosurgical Consultants
Mercer Island, Washington
Neurological Surgery, Spine Surgery & Spine Care
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neurosurgery expert witness , Spine Trauma, Spinal fusion surgery, Total Disk Replacement, Brain Tumors, Spinal Hematoma, Nerve Injury, Traumatic Brain Injury, Spinal Fracture, Paralysis, Cauda Equina Syndrome, Disc Herniation, Neurosurgeon Expert witness, Spine surgery Expert witness , Spine surgeon expert witness
David A. Lundin, MD, received his medical degree in 1999 from the University of Washington (UW) School of Medicine, where he graduated at the top of his class. He completed his internship and residency in Neurological Surgery at the UW and served as a Senior Registrar at the renowned Atkinson Morley's Hospital in London, England. He then completed a fellowship in spinal surgery at the UW within the departments of Orthopedics and Neurological Surgery followed by a Chief Residency in Neurological Surgery in 2006. He served as Director of Complex and Minimally Invasive Spine at the Southern California Center for Neuroscience and Spine in Los Angeles before joining the University of Washington/Valley Medical Center as the Medical Director of Neurosurgery and the Spine Center in 2008 where he maintains a robust clinical practice. He is the current Chief of the Department of Surgery. Additionally he is a Clinical Professor in Neurological Surgery at the University of Washington.
Dr. ...
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Christine Hammer, MD, FAANS, FCNS
Board Certified Spine focused Neurosurgeon
West XIX Integrative Neurosurgery Consulting
Steilacoom, Washington
Spine Surgery & Spine Care, Neurological Surgery
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spine, lumbar, cervical, neurosurgery, spine surgery, back pain, neck pain
I am a neuro/ortho spine fellowship trained board certified neurosurgeon in good standing with all professional communities (AANS, NASS, CNS). I have practiced in both a hospital based and private based models (currently in private practice). I have operated in the hospital, surgery centers and procedure rooms of our clinic space. I am comfortable with LNI and MVC cases. I have testified in court and participated in depositions. I am comfortable providing a written report of my findings after reviewing charts. My style conforms to SEAK recommendations and guidelines.
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Daniel P Sipple, D.O.
Triple Qualified, Unicorn Inventor, Policy Expert
Sipple Medical Innovations
Wisconsin
Physical Medicine & Rehab, Pain Management - Medicine
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Concussion, Traumatic Brian Injury, Complex Regional Pain Syndrome, Spinal Cord Stimulation, Radiofrequency, Epidural Steroid Injection, EMG, Long Covid, Pain Suffering, Botox, Stroke, Amputation, Spine Surgery, Vertebral Compression Fracture, Burns, Neuropathic Pain, Headache
Dr. Daniel Sipple is board certified in physical medicine and rehabilitation, pain medicine with
added qualifications in concussion and mild traumatic brain injury. He trained at the Shirley Ryan
Ability Lab, served on faculty at the Mayo Clinic in Eau Claire, Wisconsin. He practiced at Midwest
Spine and Brian Institute, Dr. Sipple is a the co-founder of Mayo Clinic Partnered InSitu Biologics,
Acies Medical and Hypercharge Medical. Dr. Sipple served on the Board of Directors for the Society
for Brain Mapping and Therapeutics, part of President Obama’s BRAIN Initiative. In that capacity,
presented internationally at the Neuroscience 20 in conjunction with the G20, and assisted in
SBMT’s effort to raise $500 Million for 31 Federally Funded Tech Hubs. He is the founder of Acies Medical, whose patented Smart Needle is parted with the United Kingdom National Health Service. He advises and or is a board member of a diverse group of emerging neurotech start ups, and is on the cutting e...