what does a gastroenterologist treat
Gastroenterologist. A gastroenterologist is a medical professional who specialises in the treatment of patient conditions affecting the liver, intestine and pancreas. This work would be conducted in both the outpatient and inpatient wards.ork activities. Typical work activities a gastroenterologist would need to carry out include the following: 1  Use the endoscopy technique to find whether patients have an ulcer, cancer or inflammation. 2  Diagnose and treat conditions including irritable bowel syndrome, cancers and liver disease.