Gastrointestinal Surgery Expert Witnesses

Gastrointestinal 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 gastrointestinal surgery. The gastrointestinal surgery expert witness listings on this page are typically from fields/areas of expertise such as: Bariatric Surgery, Colon & Rectal Surgery, and General Surgery.

Hussna Wakily, MD

Oceanside, California
General Surgery, Colon & Rectal Surgery - Colon Surgery, Hernia Surgery, Breast Surgery, Minimally Invasive Surgery, Robotic Surgery, Abdominal Surgery, Emergency Surgery, Gastrointestinal Surgery, Mesh surgery, Intestinal Obstruction, Adhesions, Gallbladder surgery, Bile Ducts, Perforations
Expert witness for general surgery with over 14 years of clinical experience. Fellowship trained at Harvard Medical School’s Beth Israel Deaconess Medical Center in Minimally Invasive and Bariatric Surgery in Boston, MA. Consecutive Top Doctor Award winner from 2019-2023 for General. Voted Exceptional Women in Medicine 2023. Castle Connolly Award winner for 2019-2023, General Surgery. Currently serving as editor for the Surgical Endoscopy Journal and Journal of Surgical Research. Current hernia committee member for the Society of American Gastrointestinal and Endoscopic Surgeons (SAGES). She is the Robotic Chairman at Scripps Encinitas Hospital. Experienced medical expert. Dr. Wakily offers accurate and thorough expert medical chart reviews and testimony for defense and plaintiff attorneys. Board certified, clinically active surgeon specializing in Acute Care/Emergency General Surgery, Laparoscopic Surgery, Hernia Surgery, Colon and Rectal Surgery and all aspects related to general...

Stephan Zweig, MD, FACS

Pacific Palisades, California
General Surgery - Advanced laparoscopic surgery, gastrointestinal surgery, breast surgery, inguinal, ventral and umbilical hernia surgery, colon and rectal surgery, biliary surgery, venous access surgery, soft tissue tumors, thyroid and parathyroid surgeries
Forty years experience as active clinical general surgeon in private practice and with Kaiser Permanente. Retired partner physician with Kaiser Permanente and past Assistant Clinical Professor of Surgery, UCLA. Board certified with American Board of Surgery, fellow of The American College of Surgeons. I have performed over fifteen thousand major general surgery cases, involving all aspects of general surgery. My responsibilities have included active instruction of UCLA general surgery residents during my time at Kaiser Permanente and of Cedars-Sinai general surgery residents during my time in private practice. I will provide objective, non biased expert witness reports and testimony, supported by substantial medical evidence.

Brian Matier, MD

Lutz, Florida
Colon & Rectal Surgery, General Surgery - Robotic surgery, colon surgery, laparoscopic surgery, colectomy, colonoscopy, rectal surgery, anal, anastomotic leak, intestinal, proctectomy, gastrointestinal surgery, cancer surgery, inflammatory bowel disease surgery, anal and rectal surgery, proctology, fecal incontinence
Double Board certified in Colon & Rectal, and General Surgery with 9 years of practice experience. Fellow of the American College of Surgeons (FACS). Prior clinical academic appointment at University of Buffalo School of Medicine. Extensive training and experience in minimally invasive laparoscopic and robotic colorectal surgery. Practice and experience includes all forms of colon and rectal surgery including colectomy, proctectomy, gastrointestinal surgery, cancer surgery, inflammatory bowel disease surgery, anal and rectal surgery, proctology, and fecal incontinence. Legal experience includes testimony as a medical fact witness in criminal trial, and deposition (fact witness and defendant) in medical liability cases.

Aboubakr Khairat, FACS, MRCSI, CABS HealthAdvise

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...