Disability Evaluation Expert Witnesses in California

The SEAK Expert Witness Directory contains a comprehensive list of disability evaluation expert witnesses who testify, consult and provide litigation support on disability evaluation and related issues. Disability evaluation expert witnesses and consultants on this page may form expert opinions, draft expert witness reports, and provide expert witness testimony at deposition and trial. The issues and subjects these disability evaluation expert witnesses testify regarding may include: Disability Evaluation, Ime, Personal Injury, Traumatic Injury, Causation, Complex Regional Pain Syndrome , Motor Vehicle Accident, PTSD, Trauma, Ada Compliance, ADHD, Chronic Pain, Crps, Disability, and Fitness For Duty.

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Amr Beltagui, MBChB, MD, DFAPA

Expert in Crisis & Emergency Mental Health

Expedient Medicolegal Services

Newport Beach, California
Psychiatry, Addiction Medicine - Traumatic Brain Injury, PTSD, Crisis Intervention, Academic Medical Treatment, Functional Capacity, Disability Evaluation, IME, Standard of Care, Suicide Risk Assessment, Fitness for Duty, Severe Mental Health Disorders, Buprenorphine Treatment, Psychopharmacology, Personal Injury, Capacity Eval
Dr. Amr Beltagui is a highly accomplished psychiatrist with a distinguished career in both clinical practice and academia. A Diplomate of Psychiatry through the American Board of Psychiatry and Neurology, he holds the title of Distinguished Fellow of the American Psychiatric Association. Dr. Beltagui’s medical journey began at the University of Alexandria, where he earned his Bachelor of Medicine and Bachelor of Surgery degree. He furthered his training with a residency in psychiatry at the State University of New York at Buffalo, School of Medicine and Biomedical Sciences. Dr. Beltagui's professional experience is extensive and diverse. He has served as an emergency psychiatrist with Traditions Behavioral Health and an interventional psychiatrist at Mindful Health Solutions. His roles have also included being a staff psychiatrist at Kern Medical and a core faculty member for the UCLA-Kern psychiatry residency program. Additionally, he has worked at the Norfolk Regional Center in t...
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Richard Zumwalt, PhD

Neuropsychologist & Former First Responder

Expedient Medicolegal Services

Huntington Beach, California
Neuropsychology, Psychology - IME, Disability Evaluation, Cognitive Impairment, Traumatic Injury, Cognitive Function, Functional Capacity, Personal Injury, Cognitive Assessment, Standard of Care, TBI, Neurodegenerative Disease, Forensic Evaluation, Risk Assessment, Post Concussion Assessment, Memory Loss, Executive Function
Dr. Richard Zumwalt is a distinguished neuropsychologist with a specialization in brain-related disorders, psychological evaluations, and psychotherapy. He is a California Police Officers Standards and Training (POST) approved psychological evaluator, with extensive expertise in personal injury and workers' compensation evaluations, especially in cases involving traumatic brain injury, trauma, anxiety, depression, and addictions. He also has extensive experience in conducting pre-employment psychological evaluations for public safety candidates. Dr. Zumwalt holds a PhD in Psychology from Northcentral University, where his dissertation focused on the relationship between self-efficacy and situated cognition in relapse situations. He furthered his specialization with post-doctoral training in Neuropsychology at Fielding Graduate University and advanced training in Neuropsychological Assessment at the University of California, Berkeley. His professional career includes roles as a Neu...
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Hisla Bates, M.D.

Harvard/Yale trained Pediatric/Adult Psychiatrist

Expedient Medicolegal Services

California
Pediatric Psychiatry, Psychiatry - Inpatient Treatment, Standard of Care, Risk Assessment, PTSD, Mood Disorders, Adolescent Psychopharmacology, ADHD, Autism Spectrum Disorders, Developmental Disorders, Learning Disabilities, Competency, Traumatic Injury, Capacity, Disability Evaluation, Attachment Disorders, Conduct Disorders
Dr. Hisla Bates, MD, Harvard/Yale trained Pediatric and Adult psychiatrist. After completing an internship in primary care internal medicine at Yale, her general psychiatry training was completed at the Mount Sinai School of Medicine in New York City. She continued on to her Child and Adolescent psychiatry Fellowship at Harvard Medical School’s, Massachusetts General Hospital/ McLean’s program. She went on to complete a 12 month Fellowship in Integrative Psychiatry in 2020. She is board certified in both Psychiatry as well as Child and Adolescent Psychiatry. She uses Mindfulness, Positive Psychology/Psychiatry, and the Expressive and Creative Arts working with children and adults. Dr. Bates is also the Co-Chair of the American Academy of Child & Adolescent Psychiatry (AACAP) Art Committee and the Assistant Arts Editor for the Journal of the American Academy of Child & Adolescent Psychiatry (JAACAP). She is a Parsons School of Design graduate, an illustrator, printmaker, speaker and...
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Douglas L Constant, MD

Pain Management- Medicine and IME

360 Orthopedics

California
Pain Management - Medicine, Independent Medical Examinations - Pain Management, spinal cord stimulator, nerve injury, RSD, Reflex Sympathetic Dystrophy, radiofrequency ablation, injections, complex regional pain syndrome, CRPS, opioids, causalgia, nerve block, neuropathic pain, failed back syndrome, IME, medical billing, billing fraud, disability evaluation
Award Winning, Harvard Trained Pain Physician. Active clinical practice. Provided pain management treatment to WNBA players, the MLS, the Boston Red Sox and the Pittsburgh Pirates. Castle Connolly Top Doctor, Pain Management, since 2015. Chosen by his peers and recognized as "Top Doctor" in the Sarasota area since 2017. U.S. Naval Academy graduate. Former United States Marine Corps Officer with deployments to Sarajevo, Mogadishu, and Kuwait.
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Thomas Peatman, MD

Orthopedic Surgeon and Expert Witness

California
Orthopedic Surgery, Sports Medicine - Hip, Knee, Shoulder, Trauma, Spine Surgery & Spine Care, Orthopedics Non Surgical, Independent Medical Examinations, Causation, Disability evaluation, Impairment Evaluation, Medical Coding, Medical billing, Workers’ Compensation, Motor Vehicle Accident, Patents, MVA
Board-Certified orthopedic surgeon in clinical practice. Additional sub-specialty Certification in Sports Medicine. Have performed over 8,000 joint replacements, hip, knee and shoulder arthroscopies and open surgeries. After developing a hand tremor, I now focus on the non-operative management of orthopedic disease and trauma. Former Team Physician for the Oakland Athletics. United States Navy veteran. I have been participating in expert witness work for 15+ years. I perform complex case reviews with or without an exam, as well as provide clarity to simpler incidents. I am timely and prioritize scheduling exams, depositions and court appearances. My reports provide compelling. I have given testimony in 12 trials.
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Cris C. Vaughan, Esq., CASp, ADAC, PA

ADA Consultant Services

Auburn, California
Disability Evaluation, Construction - Americans with Disabilities Act, ADA Compliance, Certified Access Specialist, CASp, ADA Coordinator, Compliance Evaluations, Lawyer, Attorney, Law, Legal Services, Accessibility, Disability, Violation, Lawsuit, Litigation, Expert, Expert Witness, Deposition, ADA, Compliant
Mr. Vaughan was admitted to practice law in California in December 1981 and in Nevada in 1985. He is admitted to practice before a number of different United States District Courts in several states. He has represented hundreds of litigation clients in the United States District Court in all four federal court districts in California. Defending Americans with Disabilities Act access litigation and consultation for a variety of California businesses on accessibility issues has been his primary area of practice for more than 15 years. Mr. Vaughan also owns and operates ADA Consultant Services which performs accessibility evaluations of both private and public facilities. He is a California Certified Access Specialist. He has been designated as a subject matter expert in disabled accessibly by the State of California. Over the course of his career, Mr. Vaughan has represented numerous public entity and private clients. His public entity experience includes representation of school di...
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Irina V. Wiliiams, MD, MHA

Expert Anesthesiologist, Pain Mgmt Board Cert, MHA

Expedient Medicolegal Services

Oakland, California
Pain Management - Medicine, Anesthesiology - Standard of Care, Traumatic Injury, Personal Injury, Inpatient Hospital Policy, Pharmaceutical Intervention, Complex Regional Pain Syndrome, Spine Injury, Disability Evaluation, Impairment due to Pain, IME, Nerve Damage, Motor Vehicle Accident, Post Operative Complications, Regulatory Compliance
Dr. Irina V. Williams is a distinguished and Double Board-Certified Anesthesiologist and Pain Management Specialist, recognized for her expertise in both clinical practice and healthcare leadership. Dr. Williams completed her Anesthesiology residency at Wayne State University’s Henry Ford Hospital in Detroit, MI, followed by a prestigious Interventional Pain Management Fellowship at the University of California, San Francisco. In her clinical role, Dr. Williams specializes in the treatment of complex pain conditions, including spine disorders, musculoskeletal pain, neuropathic pain, Complex Regional Pain Syndrome (CRPS), fibromyalgia, and chronic pain related to trauma and substance use disorders. She is adept in various interventional procedures, utilizing fluoroscopy and ultrasound-guided techniques to manage chronic pain effectively. Dr Williams built and developed an Interdisciplinary Pain management service within Alameda Health System. Under her leadership, the Pain Medicin...
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Apoorva Athreya Ananth, MD

Nephrologist & Internist, USC & UCLA Trained

Expedient Medicolegal Services

Covina, California
Nephrology, Internal Medicine - Traumatic Injury, Chronic Disease, Iatrogenic injury, Pharma related Kidney Damage, Palliative Care, Standard of Care, Delayed Diagnosis, Exposure to Nephrotoxic Substances, Rhabdomyolysis, Diabetes, Hypertension, Blunt Force Trauma, Renal Artery Stenosis, Occupational Injury, Disability Evaluation
Dr. Apoorva Athreya Ananth is a board-certified physician specializing in internal medicine and nephrology. He is currently an attending nephrologist with Mohan Renal Physicians of Covina, where he delivers comprehensive care to patients with chronic kidney disease, acute kidney injury, and end-stage renal disease requiring dialysis. Dr. Ananth completed his nephrology fellowship at the University of California, Los Angeles (UCLA), where he also contributed to research and academic discussions on topics like Fanconi Syndrome and targeted treatments for IgA nephropathy. His internal medicine residency at Kaiser Permanente Oakland Medical Center honed his expertise in managing complex cases, including perioperative medicine for high-risk surgical patients. A graduate of the Keck School of Medicine at the University of Southern California, Dr. Ananth earned membership in the prestigious Gold Humanism Honor Society, reflecting his commitment to compassionate patient care. His undergra...
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JOSEPH HADI, MD, Q.ME., C.I.M.E

Expert Witness Pain Management

Joseph Hadi MD, PC

Encino, California
Physical Medicine & Rehab, Pain Management - Medicine - Joint/Spine Impairment, Complex Regional Pain Syndrome, Disability Evaluation, Physician Life Care Planning, Arthritis, Chronic Pain, Peripheral Neuropathy, Shoulder, Knee, Carpal Tunnel Syndrome, Spinal Cord Injury, Traumatic Brain Injury, Independent Medical Examination
• Board Certified, Ameerican Board Physical Medicine & Rehabilitation • Board Certfied, American Board of Pain Medicine • Fellow American Academy of Physical Medicine & Rehabilitation • Expert Reviewer, MEDICAL BOARD of CALIFORNIA • Physical Medicine & Rehabilitation Residency, Jackson Memorial Hospital, Miami, FL; Fellowship, National Pain Institute, Delray Beach, FL • Extensive experience with independent Medical Examinations for Disability, Personal Injury, Worker's Compensation, and Veteran's Disability claims. • Exam Council Member, American Board of Pain medicine, 2019- present • Licensed in California, Florida, Nevada, and New York.
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Christine E. Valdez, Ph.D., ABPP

Forensic Psychologist – Trauma & PTSD

Walnut Creek, California
Psychology, Forensic Psychology - forensic psychologist, psychological injury, PTSD evaluation, trauma assessment, interpersonal violence, IME, personal injury, sexual harassment, expert witness, record review, rebuttal expert, causation, impairment, malingering, symptom validity, workplace trauma, disability evaluation, trauma expert, VA disability, trauma disorder
Christine E. Valdez, Ph.D., ABPP is a California licensed clinical psychologist and board-certified in clinical psychology. She specializes in forensic psychology and is retained in civil litigation to provide forensic psychological evaluation and consultation in cases involving trauma, PTSD, interpersonal violence, and psychological injury. Dr. Valdez has conducted over 1,000 forensic evaluations through her work with the U.S. Department of Veterans Affairs, including disability and compensation-related assessments. Her evaluations address diagnosis, causation, and functional impairment and are grounded in both clinical expertise and research in traumatic stress. Dr. Valdez is a Professor of Clinical Psychology at California State University, Monterey Bay, where she teaches psychopathology and advanced research methods and trains clinicians in assessment and diagnosis. She has authored over 25 peer-reviewed publications and delivered more than 50 professional presentations on tra...
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Richard K Skala, DC

Paradise, California
Chiropractic, Disability Evaluation - manipulation and stroke, Cervical adjustment stroke, disc injury and chiropractic adjustment, stroke, death, permanent disability and chiropractic manipulation, neck, vertebrobasilar stroke, disability
Education: Chiropractic School: Palmer College of Chiropractic Davenport, IA Doctor of Chiropractic Degree 1972 - 1976 Postgraduate: Diplomate National Board of Chiropractic Examiners 1976 California Chiropractic Association Certified Disability Evaluator Course 300 Hours 1990 California Chiropractic Association Qualified Medical Evaluator Course 300 Hours 1992 Academy of Applied Spinal Biomechanical Engineering Spinal Biomechanics Course & Fellow Exam 300 Hours 1988 University of Florida School of Medicine Spinal Musculo-Skeletal Rehabilitation Certification Gainesville, FL 200 hours & Certification Exam 1989 AMA Spinal Impairment Rater Medical Legal Consultants Association Clearwater, FL Certification 1994 AMA Impairment Rater 5th Edition Academy of Forensic Chiropractic Consultants Redondo Beach, CA 2004 Manipulation Under Anesthesia California Academy of MUA Certified MUA 2002 Neuro Electrodiagnostic Certification Program Palmer College of Chiropractic 150 H...
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Gabor Vari, MD

Army Veteran Psychiatry Expert Witness

Los Angeles, California
Psychiatry, Forensic Psychiatry - Psychiatry, Forensic Psychiatry, ADD, ADHD, depression, anxiety, bipolar disorder, adderall, Ritalin, trauma, PTSD, suicide, addiction, substance abuse, IME, personal injury, fitness for duty, medical malpractice, disability evaluation, telepsychiatry
NOTE: I exclusively work with attorneys, employers, and insurance carriers. I do not work with self represented plaintiffs / plaintiffs in pro per. I am an Army veteran, double Ivy League trained, and two-time Jeopardy champion general adult psychiatrist with over 15 years experience in the pharmacological and psychotherapeutic treatment of a broad spectrum of psychiatric illnesses. I have served as an expert in medical-legal matters over 100 times and have testified dozens of times. I maintain an active practice in Los Angeles. I look forward to hearing from you soon! Board Certification: American Board of Psychiatry and Neurology Residency: UCLA - Chief Resident of Bipolar Disorders Clinic Medical School: University of Pennsylvania - Appel Award for Most Outstanding Student Entering Field of Psychiatry Undergrad: Brown University - Bachelor of Science in Biology with Honors
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Simon Dardashti, MD, MS

Pain Medicine Expert – PI & Med Mal Testimony

Expert Medical Services LLC

Los Angeles, California
Pain Management - Medicine, Anesthesiology - Pain Management, Complex Regional Pain Syndrome (CRPS), Motor Vehicle Accident, Cauda equina syndrome, Disability Evaluation, CRPS, Amputations, Personal Injury (PI), Spinal Cord Stimulator, Independent Medical Exams (IME), Spinal Injury, Nerve Injury, Opiate Complication, Epidurals, Causation, Chronic Pain, Medical Malpractice
Personal Injury & Medical Malpractice Case Reviews for Plaintiff & Defense Attorneys. Fast communication and timely report turnaround. Board Certified & in Active Clinical Practice. Experienced in authoring Federal Rule of Civil Procedure 26 reports and providing deposition and trial testimony under FRCP standards. My medical areas of expertise encompass a wide range of conditions and treatments, including: Complex regional pain syndrome (CRPS)/reflex sympathetic dystrophy (RSD), amputations, cauda equina syndrome, motor vehicle accidents, spinal cord stimulation (SCS), spinal injury, epidurals, whiplash, dog bites, disability, neck and back pain, spinal cord injury, sciatica, nerve blocks, radiculopathy neuropathy, spondylosis, spinal stenosis, back injury, addiction, chronic pain, non-surgical orthopedic care, opioid and non-opioid medication management, herniated disc, radiofrequency ablation, and fluoroscopic-guided procedures. Assessment and evaluation for pain and suffering. ...
You can also find Disability Evaluation Expert Witnesses in:
Arizona, California, Colorado, Florida, Georgia, Idaho, Illinois, Louisiana, Nevada, New Jersey, New Mexico, New York, Oregon, Pennsylvania, South Dakota, Texas, Virginia, and Washington