Dr. William Karnes Jr, MD is a gastroenterologist in Costa Mesa, CA and has over 39 years of experience in the medical field. Dr. Karnes Jr has extensive experience in Pancreatic Disease and Esophageal Disorders. He graduated from UNIVERSITY OF MINNESOTA / SAINT PAUL CAMPUS in 1984. He is affiliated with University of California Irvine Medical Center. He is accepting new patients and telehealth appointments.