Dr. Henry Ferstenberg is a gastroenterlogist treating patients in Brooklyn, New York and surrounding communities. He has more than 30 years experience and holds certifications from the American Board of Surgery. Dr. Ferstenberg is also a member of professional organizations including the New York State Medical Society, New York Society for Gastrointestinal Endoscopy, and the Society for American Gastrointestinal and Endoscopic Surgeons. Among other accomplishments, Dr. Ferstenberg is a clinical professor of Surgery at the Mount Sinai School of Medicine, Director of Gastrointestinal Endoscopy at Brooklyn Methodist Hospital and Chief Instructor of Proctology Clinics at Beth Israel Medical Center.