what is gastroenterology
Gastroenterology (MeSH heading) is the branch of medicine focused on the digestive system and its disorders. In the United States, gastroenterology is an internal medicine subspecialty certified by the American Board of Internal Medicine (ABIM) and the American Osteopathic Board of Internal Medicine (AOBIM).hey have usually completed eight years of pre-medical and medical education, a year-long internship (if this is not a part of the residency), three years of an internal medicine residency, and two to three years in the gastroenterology fellowship.