A gastroenterologist is a specialist with expertise in the disorders and diseases that affect the digestive system — which includes the gastrointestinal tract (esophagus, stomach, small intestine, large intestine, rectum and anus) as well as the pancreas, liver, bile ducts and gallbladder.
The digestive disorders and issues that a gastroenterologist treats include:
“Gastroenterologists are trained to perform a number of procedures used to help diagnose and treat these conditions, such as upper endoscopy, colonoscopy, biopsy and the various endoscopic techniques needed to visualize the digestive system, including endoscopic ultrasound,” explains Dr. Glassner.