Dr. Oscar Lebwohl is a gastroenterologist in New York, New York and is affiliated with New York-Presbyterian Hospital-Columbia and Cornell. He received his medical degree from Harvard Medical School and has been in practice for more than 20 years. Dr. Oscar Lebwohl has expertise in treating colonoscopy, inflammatory bowel disease (ibd), gastroenteritis, among other conditions - see all areas of expertise. Dr. Oscar Lebwohl accepts Medicare, Aetna, Cigna, Blue Cross - see other insurance plans accepted. Dr. Oscar Lebwohl is highly recommended by patients.