Contact Address 55 W 17th St STE 102, New York, NY 10011 Phone 646-846-8233 About US At Manhattan Gastroenterology we utilize the latest technological advancements including the state of the art Quintron Breath Analyzer diagnosis of lactose, fructose and small intestinal bacterial overgrowth that has proven useful for Irritable Bowel Syndrome (IBS) treatment and management. https://www.manhattangastroenterology.com/