Dr Gish was first in Pharmacy School at the University of Kansas and then obtained his medical degree from the University of Kansas Medical School in Kansas City, Kansas. He completed a 3-year internal medicine residency at the University of California, San Diego, and a 4-year gastroenterology and hepatology fellowship at the University of California, Los Angeles which included transplant medicine. Dr. Gish is a fellow of the American Association for the Study of Liver Disease, the American Society of Transplantation and the American College of Physicians.