Centers for Gastroenterology is dedicated to providing the highest quality gastrointestinal care for patients in Northern Col ... orado, Wyoming, and Nebraska. We provide comprehensive services in the diagnosis, medical management and endoscopic treatment of diseases affecting the digestive system. The digestive system includes the esophagus, the stomach, the small intestine, the colon (large intestine), the gallbladder and attached bile ducts, the liver and the pancreas. Our physicians are board certified in Internal Medicine with additional Board Certification in the sub-specialty of Gastroenterology. read more