Experience the difference. Gastroenterology Associates of Colorado Springs (GACS) is a team of board-certified gastroenterologists, specializiing in GI health : Prevention of Colon Cance, State of the Art Endoscopy Center (Experience - Pikes Peak Endoscopy) Liver and Pancreatic Disease, Painless and Non-Surgical Treatment of Hemorrhoids (The Hemorrhoid Center) and Outstanding Personalized Care ...Providers‧Contact‧Schedule Appointment‧Our Story‧Procedures‧GI Symptoms.