Dr. Charles Oliner, Board Certified in Gastroenterology & Hepatology and Internal Medicine, specializes in Colon Cancer prevention, GERD, Irritable Bowel Syndrome (IBS), Inflammatory Bowel Disease(Crohn’s and Ulcerative Colitis), Celiac/Gluten sensitivity, treatment of hemorrhoids, and Liver Diseases. He performs Endoscopy, Colonoscopy, Capsule Endoscopy for both diagnostic and therapeutic purpose. As a leader in the drive for preventative medicine and better overall well being, Dr. Oliner and his staff at NYC Gastroenterology and Nutrition also focus on weight loss management through both medical and endoscopic (non-surgical) interventions. Dr. Oliner is certified to perform the first swallow-able FDA approved weight loss balloon system, Obalon.