The gastroenterology expert witnesses found on this list are board-certified medical professionals willing to advise and testify regarding the field of gastroenterology, hepatology, and colon and rectal surgery. These experts are knowledgeable and experienced in diseases and injuries involving the stomach, intestines, colon, gallbladder, pancreas, and rectum. They may provide valuable data and reports on stomach ulcers, appendicitis, acid reflux, esophageal cancer, colon cancer, hepatitis, Crohn’s disease, GI bleeding, and similar conditions. A gastroenterology expert witness may provide testimony on colonoscopy injuries, surgical perforations, surgical malpractice, and other possible cases.