Conditions treated Specialists in gastroenterology and hepatology at Mayo Clinic have deep experience treating people with a wide range of diseases and disorders of the pancreas, liver, gallbladder, esophagus, stomach, small intestine and colon. As part of your care, doctors within the division also consult and work with a team of other specialists from many areas, to determine the most appropriate treatment for your individual needs. Gastroenterology and hepatology specialists provide management and treatment for many conditions, including but not limited to those listed below. Availability of some services may vary among Mayo locations. Please confirm when you call to request an appointment. 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