A fellow of the American College of Physicians and the American College of Gastroenterology, Dr. Reddy also is a member of the American Association for the Study of Liver Diseases and the American Gastroenterological Association. He has held several visiting professorships at medical schools throughout the world.

Dr. Reddy has authored or co-authored more than 270 peer-reviewed papers on a spectrum of hepatobiliary topics that include liver transplantation, chronic hepatitis C viral infection, HIV and the liver, and hepatocellular carcinoma. In addition, he has contributed to several textbooks, edited several books, and has participated in numerous scientific presentations at national and international meetings. He serves on the editorial boards of prestigious journals such as Liver Transplantation, Gastroenterology, and is an ad-hoc reviewer for several journals.

Dr. Reddy also has participated in a number of clinical trials that have advanced the understanding of the therapy of chronic viral hepatitis. He has been the recipient of both federal and non-federal funding for clinical research. His current research interests include liver transplantation, viral hepatitis, and hepatocellular carcinoma.