Your Physician Has Referred you to a Gastroenterologist for Consultation and Possibly Diagnostic Studies or Treatment. A Gastroenterologist is a Specialist Fully Trained in Internal Medicine, Who Has Had Additional, Special, and Extensive Training in the Field of Gastroenterology. Gastroenterology Covers Disorders of the Entire Gastrointestinal Tract. This Includes the Esophagus, Stomach,...