Mike Leonis, M.D., PH.D.

Mike Leonis, M.D., Ph.D., is a pediatric gastroenterologist specializing in pediatric transplant hepatology at Cleveland Clinic Children's in Cleveland, Ohio. He serves primarily pediatric patients requiring liver transplantation and management of complex liver disorders, leveraging over 25 years of experience in the field. As Physician and Medical Director of Pediatric Liver Transplantation, Dr. Leonis oversees transplant programs, focusing on conditions such as pediatric liver failure, end