internal medicine specialist evaluation gastroenterologist evaluation 2020-07-01T20:46:33Z consultation with gastroenterologist referral to gastroenterologist consultation with gastroenterology specialist gastroenterologist consultation gastroenterology specialist evaluation An evaluation with an internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.