A gastroenterologist is a physician who is specialised in gastroenterology (DM gastroenterology) and offers all kinds of medical treatments related to liver & gastrointestinal disorders, like hepatitis, irritable bowel syndrome,gastric ulsars, inflammato bowel diseases, crohn's diseases, ulcerative colitis, hepatocellular carcinoma, esophageal cancer ,colon cancer and other gastrointestinal tract cancers. They also perform endoscopic surgeries for in GI bleeding & also specialized in treatment of emergencies of G.I tract like hepatic failure, Encephalopathy, Hepatorenal syndrome, G.I Bleed ,Jaundice, Intestinal tuberculosis, etc.