http://www.hoab.org - Designated solely to bariatric surgery, the Heart of America Bariatrics in St. Louis specializes in Gastric Bypass, Roux En Y, LAP-BAND® and Laparoscopic weight loss surgery. Dr. Van Wagner, our bariatric surgeon and his staff will ensure that each patient is a candidate for bariatric surgery as well as provide educational seminars so that patients get accurate and thorough information.