BJC Medical Group Gastroenterology at Alton is dedicated to providing excellent patient care in a convenient location. They have extensive experience in the gastroenterology specialty and are well-respected in the community. The physicians at BJC Medical Group Gastroenterology at Alton believe that it's important to establish a relationship with their practice even before you feel sick. They recommend scheduling an appointment to learn about your health history and to help establish healthy habits to prevent future illness. Gastroenterology physicians treat irritable bowel syndrome, reflux disease, abdominal pain, and hemorrhoids. They also perform colonoscopies, endoscopies, and a variety of other procedures.