A Gastroenterologist does not perform surgery. His work is limited to diagnosis and medical treatment. However, under the broad classification of surgery, Gastroenterologists do perform such procedures as liver biopsy and endoscopic ("scope") examinations of the esophagus, stomach, small and large bowel.

What surgeries do GI doctors do?

What is gastrointestinal surgery? Gastrointestinal surgery is a treatment for diseases of the parts of the body involved in digestion. This includes the esophagus (ee-sof-uh-gus), stomach, small intestine, large intestine, and rectum. It also includes the liver, gallbladder, and pancreas.

What is a GI surgeon called?

Gastroenterologists are doctors who are trained to diagnose and treat problems in your gastrointestinal (GI) tract and liver. These doctors also do routine procedures such as colonoscopies, which look at the inside of your colon.