Greater Boston Gastroenterology specializes in treating conditions such as intestinal polyps, liver disease, rectal bleeding, ulcers, hiatal hernias, colitis, Crohn's disease, bile duct and pancreas problems, abdominal pain and acid reflux. Drs. George Dickstein, Andres Mogollon, Steven Fine, Mark Painter, Jaime Oviedo and Greta Taitelbaum are the practice’s licensed physicians.