Dr. Chalasani has completed his medical education in India and subsequently completed internal medicine residency and gastroenterology and hepatology subspecialty training at Emory University in Atlanta. He currently serves as David W. Crabb Professor of Medicine and Cellular &Integrative Physiology at Indiana University School of Medicine and is the Director of its Division of Gastroenterology and Hepatology.
Two broad themes to his research focus are nonalcoholic fatty liver disease and idiosyncratic drug induced liver injury and he has made several important contributions to both of these areas. He has been funded by the National Institutes of Health since 1998 for conducting investigations related to liver disease. He is the lead author for the multisociety practice guideline on the diagnosis and management of nonalcoholic fatty liver disease published in June 2012. He is the lead author for the American College of Gastroenterology's practice guideline on the diagnosis and management of drug induced liver injury. He has published over 200 full length articles and several dozen editorials, text book chapters and review articles. He is currently serving as the Associate Editor for Gastroenterology which is the leading journal of his subspecialty. He was elected to the American Society of Clinical Investigation in 2008 and is a trustee of the American College of Gastroenterology.
He has mentored more than 15 physician-investigators who are successful in establishing their own research programs and has taught many dozens of physicians who have become board-certified gastroenterologists and hepatologists practicing throughout the country.