Dr. Daniel Alpert is a Gastroenterologist serving the New York area for more than 20 years. Dr. Alpert is experienced in Diseases of the Pancreas, Liver Diseases, Stomach Pain including Gastritis and Ulcers, Colonoscopy and Diverticulosis. He is also a professional member of the American College of Gastroenterology, the American Society of Gastrointestinal Endoscopy and the American Medical Association.