Blair S. Lewis, M.D., F.A.C.P., F.A.C.G., (born November 23, 1956 in Hartford, Connecticut) is an American board-certified gastroenterologist and Clinical Professor of Medicine at the Mount Sinai School of Medicine.
Francis Avery Jones (1910–1998), British physician and gastroenterologist
Elizabeth Jane "Jenny" Heathcote is a professor of medicine at the University of Toronto and a gastroenterologist and scientist at University Health Network in Toronto specializing in liver disease.
In an interview with the Washington Post, gastroenterologist Theodore Bayless of Johns Hopkins School of Medicine suggested that such a course can relieve symptoms of lactose intolerance, but the relief would not be permanent, particularly if the user were to take antibiotics at a later date.
Mohamed Cheikh Biadillah (born 1949 in Smara, Western Sahara) is a Moroccan gastroenterologist and politician.
As a gastroenterologist, Borody is most famous for his work on the development of the triple therapy for infection with Helicobacter pylori bacteria.
Timothy M. Buie is a pediatric gastroenterologist at Harvard Medical School's Massachusetts General Hospital, who also practices at Newton-Wellesley Hospital.