Alexander Brun, MD

About

Alexander Brun, MD, is a board-certified specialist in internal medicine and gastroenterology. He serves the communities of Brooklyn, Staten Island, and the Bronx, New York, at Triborough GI. Dr. Brun has completed and published extensive research in his field, utilizing this knowledge to better treat his patients. He frequently treats patients for irritable bowel syndrome, acid reflux disease, celiac disease, and general abdominal pain.