Founded in 1975, Center for Colon & Digestive Disease is one of the largest gastroenterology groups in Alabama. It is an ambulatory endoscopy center and practice in north Alabama that undertakes gastrointestinal diagnosis and treatment. Based in Huntsville, Ala., the center provides invasive and surgical procedures for the diagnosis and treatment of gastrointestinal disorders. In addition, Center for Colon & Digestive Disease performs other procedures, including colonoscopy, capsule endoscopy, liver biopsy and hydrogen breath test.