Dr. Jeffrey Alan Brannen, DO Internal Medicine - Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 1005 Pennsylvania Ave, Suite 104, Ottumwa, IA 52501 Phone: 641-682-4594 Fax: 641-682-2123
Gastroenterology: 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.