Mahmudul Haque M.D. Gastroenterology, internal-medicine Robert D. Lamport M.D., FACP colon-cancer-prevention, Gastroenterology, heartburn, internal-medicine David J. Vargas M.D., FACG, FACP colon-cancer-prevention, Gastroenterology, heartburn, internal-medicine John David Woody M.D. anesthesiology