East End Gastroenterology & Hepatology

Dr. Mark coronel is a private physician gastroenterologist located on the eastern end of Long Island who treats multiple digestive disease such as • Heartburn or GERD • Crohn's disease • Ulcerative colitis • IBS or IBD• Celiac disease • Constipation • Black stools • Difficulty swallowing • Abdominal pain • Nausea • Belching • Anemia • Hepatitis C • & Cirrhosis. Dr. Coronel currently serves as the director of Edoscopy at Peconic Bay Medical Center. One thing that we pride ourselves on at East End Gastroenterology is that Dr. Coronel consults and treats all his own patients which is rare to come by these days in a specialist office. Check out our website for more information on our practice, and its newest procedures!