Gastric Bypass Expert Witnesses

Decatur, Alabama

Bariatric Surgery - Gastric bypass, bariatric surgery, minimally invasive, gastrointestinal, GI, sleeve, laparoscopic, morbidly obese, weight loss surgery, bariatrics, obesity, LapBand, medical regulation, medical licensing

I am a full-time, board certified surgeon with a fellowship in bariatric surgery, specializing in complex bariatric cases. I have performed almost 4000 bariatric operations including intragastric balloons, as well as many, many other related procedures. I also spend a considerable amount of time teaching, and am an associate professor of surgery at our regional medical school as well as serve as the Director of Medical Education for our hospital's medical student teaching program. I have reviewed over 50 cases in the last two decades, have issued written reports, given numerous depositions, and testified in court as an expert witness. I have served on hospital peer-review committees and executive committees, the board of our state medical society and state board of medical examiners, published peer-reviewed articles, and am currently a surveyor for a national surgical quality accreditation program. I limit my medical expert witness services to bariatric surgery cases and general sur...

Fort Smith, Arkansas

General Surgery, Bariatric Surgery - Hernia, Robotic Surgery, Bariatric Surgery, Post-op Care, Gastrointestinal Surgery, Sleeve Gastrectomy, Gastric Bypass, Cancer Surgery, Wound Management, Weight Loss Surgery, Gallbladder, Revisional Surgery, Lap Band, Intestine/Colon, Bowel injury, Sepsis/Surgical infection, Hiatal Hernia, Solid Organ, GERD/Fundoplication, Endoscopy

Dr. Shamim is double board-certified by the American Board of Surgery and the American Board of Obesity Medicine. He is a Fellow of the American College of Surgeons and the American Society for Metabolic and Bariatric Surgery. He has extensive formal training in general surgery, minimally invasive, bariatric surgery, robotic surgery, and endoscopic procedures. Since 2022, Dr. Shamim has been consistently recognized by his peers as a Castle Connolly Top Doctor in Surgery. Dr. Shamim earned his medical degree from Aga Khan University, Pakistan’s premier medical institution, where he graduated in the top 10 percent of his class. He completed his general surgery internship at the University of Florida, followed by a general surgery residency at Howard University, during which he consistently scored above the 96th percentile on standardized surgical training examinations. He subsequently completed a fellowship in advanced robotic gastrointestinal, endoscopic, and bariatric surgery at St...

Encino, California

Bariatric Surgery, General Surgery - Endoscopy, Hernia, Gastrointestinal, Postoperative Care, Weight Loss, Acid Reflux, Hiatal Hernia, Upper GI, Robotic Surgery, Stomach Surgery, Bariatric Surgery, Endoscopic Sleeve, Gastric Bypass, Bowel Injury, Sleeve Gastrectomy, Duodenal Switch, Anastomosis Gastric By-Pass, Endoscopic Sleeve Gastroplastgy, Intragastric Balloon

Board-certified bariatric surgeon with over two decades of hands-on surgical experience including more than 15 years of high-volume bariatric surgery centers across Southern California. Have performed thousands of weight loss procedures with a primary focus on gastric bypass, sleeve gastrectomy, duodenal switch, one anastomosis gastric bypass, endoscopic sleeve gastroplasty, and intragastric balloon placement. Since 2008 95% of my surgical practice has been dedicated to the care of bariatric patients. I currently hold bariatric surgery privileges at four hospitals in Southern California and serve as Medical Director of Mount Sinai Surgery Center in Tarzana, a leadership role I have held since 2010. My breath of clinical experience, attention to perioperative detail, and commitment to surgical safety make me uniquely qualified to review and analyze adverse outcomes in bariatric surgery. I am actively expanding my work as a medical-legal consultant, offering expert reviews, chart...

Los Angeles, California

Bariatric Surgery, General Surgery - Acute Care Surgery, Foregut Surgery, Hernia Surgery, Minimally Invasive Surgery, Robotic Surgery, Gastric Bypass, Sleeve Gastrectomy, Emergency Surgery, Gallbladder Surgery, Colon Surgery, Bowel Obstruction, Complications

Dr. Samakar is a board certified General Surgeon, a fellow of the American College of Surgeons as well as the American Society of Metabolic and Bariatric Surgery. He completed a Minimally Invasive and Bariatric Surgery Fellowship at Harvard Medical School where he was also a clinical instructor of surgery. He is currently a faculty member of the University of Southern California (USC) Keck School of Medicine where he serves as a full-time surgeon & Associate Professor, researcher, and educator. Dr. Samakar is the Director of the Metabolic and Bariatric Surgery program at USC Keck Medical Center. He holds a Master's degree in Bioethics and Health Law from the University of Pittsburgh and has been active in the study and practice of medical-legal issues for nearly 20 years. He has testified for both plaintiff and defense on multiple occasions with numerous depositions, trial testimony, and case reviews. Dr. Samakar's current areas of practice are Bariatric and Minimally Invasive...

Rancho Palos Verdes, California

Bariatric Surgery, Obesity - Bariatric Surgery, Gastric Bypass, Sleeve, Morbidly Obese, Weight Loss Surgery, Bariatrics, Obesity, Foregut Surgery, Laparoscopic Gastric Band

Dr. Owens is a Fellow of the American College of Surgeons and American Society of Metabolic and Bariatric Surgery. Dr. Owens is board certified by the American Board of Surgery and Medical Board of California. He specializes in bariatric and general/abdominal surgery for people suffering from morbid obesity. Dr. Owens is currently Medical Director of Bariatrics at Chapman Global Medical Center, and Coastal Center for Obesity and is Chief of Surgery Chapman Global Medical Center. He is a current or past member of various professional societies. Dr. Owens has an extensive list of Academic Appointments ranging from 1974 to present. He has served on Editorial Boards and has more than 45 Journal Publications, published books, numerous Book Chapters and has appeared on TV and Radio. He has a patent for a Kidney Insulating Device which was granted in February 1980. For more information see: http://coastalobesity.com/Coastal-Center-For-Obesity-Information/Meet-Dr-Milton-Owens...

Florida

Bariatric Surgery, General Surgery - Bariatric Surgery Program Director, Sleeve Gastrectomy, Gastric Bypass, Ambulatory Surgery Center, Hernia, Mesh, Obesity, Diabetes, Surgical Devices, Endoscopy, Endoscopic Dilation, Endoscopic stent, Gastric Balloon, Cancer Surgery, Wound Management, Sepsis, Colostomy, Hiatal hernia, Fundoplication

Thought leader and 20+ years service as Medical Director of a Nationally Accredited Bariatric Center; Performed over 10,000 Bariatric Surgical procedures; Highly experienced expert case reviewer and witness with over 100 case reviews for Nevada State Medical Board and US Air Force; over 25 depositions and trials, Author of the books Outpatient Weight Loss Surgery and The type 2 Diabetes Cure, Inventor and patent holder of bariatric surgical device. Experienced surgeon in areas of bariatric surgery, sleeve gastrectomy, gastric bypass, duodenal switch, reoperative surgery, revisional surgery, hiatal hernia, wound care, biologics, colorectal surgery, pelvic floor and incontinence treatment, sacral neuromodulation, advanced endoscopy, Barrett's esophagus, hernia and mesh, endoscopic stenting, leaks, and solving complications. Top of class AOA medical school graduate from the University of California San Francisco, published research scientist, award-winning teacher and surgeon. San...

Loxahatchee Groves, Florida

General Surgery, Bariatric Surgery - Bariatric Surgery, Weight Loss Surgery, Hernia, Gallbladder, Mesh, Lap Band, Colon, Intestine, Breast Surgery, General Surgery, Sleeve, Gastric Bypass, Abdominal Surgery, Surgical Infection

Dr. Larson is a board-certified general surgeon with an active clinical practice in south Florida since 2004. He has a subspecialty interest in bariatric surgery and regularly performs over 500 general surgery procedures annually in addition to over 125 bariatric (weight loss) surgery procedures annually. Dr. Larson is the medical director for a nationally recognized center of excellence in bariatric surgery and maintains a faculty appointment with the University of Miami. He has been reviewing medicolegal cases since 2008 and has recent and ongoing experience with case reviews, affidavits, depositions, and trial testimony.

Fort Myers, Florida

General Surgery, Bariatric Surgery - Endoscopy, Hernia, Gastrointestinal, Solid Organ, Postoperative Care, Colonoscopy, Colon, Weight Loss, Acid reflux, Hiatal Hernia, Upper GI, Swallowing Disorders, Robotic Surgery, Wound Care, Stomach Surgery, Hiatal Hernia, Bariatric Surgery, Endoscopic Sleeve, Gastric Bypass, Bowel Injury

Dr. Siegal is a board-certified fellow of the American College of Surgeons with specialty training in minimally invasive bariatric, robotic, and endoscopic surgery. He graduated from the University of Miami in 2008, then received his medical degree from the University of Florida in 2013. Dr. Siegal then pursued his general surgery residency at the Oregon Health and Science University in Portland, OR where he published many peer-reviewed research papers focused on hernia surgery, esophageal cancer, and reflux disease. He then completed a fellowship in advanced robotic gastrointestinal, endoscopic and bariatric surgery at Penn State University where he focused on advanced surgical endoscopy including Endoscopic Sleeve Gastroplasty and the TORe procedure. Dr. Siegal is an Adjunct Professor Nova Southeastern University and was a previous Instructor of Surgery at Penn State University. In addition to being a Founding Member of the American Foregut Society, Dr. Siegal carries the follo...

Ellicott City, Maryland

General Surgery, Bariatric Surgery - Laparoscopic, robotic, minimally invasive, bariatric surgery, gastrointestinal surgery, sleeve gastrectomy, gastric bypass, morbidly obese, weight loss surgery, obesity, endoscopy, colonoscopy, laparoscopic hernia, robotic hernia, abdominal wall reconstruction, cholecystectomy

Dr. Aboubakr Khairat, MD, is a highly skilled double-board certified general surgeon, specializing in both pediatric and adult surgery. Trained in Qatar as a pediatric surgeon, Dr. Khairat further honed his expertise through additional training in adult general surgery in the United States. Currently practicing as an abdominal and bariatric surgeon in the United States, he brings a wealth of experience and proficiency to his patients. Dr. Khairat is particularly passionate about utilizing minimally invasive/robotic surgical approaches and pioneering innovative techniques to optimize patient outcomes. Training University of Maryland Medical Center Residency, Surgery, 2013 University of Florida, Jacksonville, FL Internship, General Surgery, 2009 Hamad Medical Corporation, Qatar Residency, Pediatric Surgery, 2006 Ain Shams University, Faculty of Medicine Professional Education, MBBCH, 1997 Organizations American Medical Association American College of Surgeons American Society of Met...

Reno, Nevada

Bariatric Surgery, General Surgery - Bariatric Surgery Program Director, Sleeve Gastrectomy, Gastric Bypass, Ambulatory Surgery Center, Hernia, Mesh, Obesity, Diabetes, Surgical Devices, Endoscopy, Endoscopic Dilation, Endoscopic stent, Gastric Balloon, Cancer Surgery, Wound Management, Sepsis, Colostomy, Hiatal hernia, Fundoplication

Thought leader and 20+ years service as Medical Director of a Nationally Accredited Bariatric Center; Performed over 10,000 Bariatric Surgical procedures; Highly experienced expert case reviewer and witness with over 100 case reviews for Nevada State Medical Board and US Air Force; over 25 depositions and trials, Author of the books Outpatient Weight Loss Surgery and The type 2 Diabetes Cure, Inventor and patent holder of bariatric surgical device. Experienced surgeon in areas of bariatric surgery, sleeve gastrectomy, gastric bypass, duodenal switch, reoperative surgery, revisional surgery, hiatal hernia, wound care, biologics, colorectal surgery, pelvic floor and incontinence treatment, sacral neuromodulation, advanced endoscopy, Barrett's esophagus, hernia and mesh, endoscopic stenting, leaks, and solving complications. Top of class AOA medical school graduate from the University of California San Francisco, published research scientist, award-winning teacher and surgeon. San...

Henrico, Virginia

Bariatric Surgery, General Surgery - Weight Loss Surgery, Gastric Bypass, Roux-en-Y, Sleeve Gastrectomy, Gastric Sleeve, Revision, Conversion, Endoscopy, Gastric Balloon, Morbid Obesity, Lap Band, Vitamin Deficiencies, Wernicke’s, Laparoscopy, Hernia, Gallbladder, Cholecystectomy, Foregut Surgery, Hiatal hernia, Fundoplication

Michael Barker, MD, FACS, is a fellowship-trained, board-certified general surgeon who specializes in Bariatric and Laparoscopic Surgery. He is a graduate of the United States Naval Academy and SUNY Brooklyn College of Medicine, and also completed a Fellowship in Bariatric & Minimally Invasive Surgery at East Carolina University. Dr. Barker spent 16 years on Active Duty in the Navy, where he made multiple overseas deployments and was Director of the largest Bariatric Surgery program within the Department of Defense. He continues his military service in the Navy Reserve where he has held a number of clinical and executive positions, including Advisor to the Surgeon General of the Navy regarding General Surgery and member of the Medical Executive Committee. Dr. Barker is currently the Medical Director of the Central Virginia VA Healthcare System Bariatric Surgery Program and Director of the Operating Room at McGuire VA Medical Center in Richmond, VA. He maintains an active practi...