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About Barry Donner

"Gastroenterology is a very interesting and rewarding field, especially because with proper diagnosis and treatment, symptoms can frequently be totally eradicated. Helping restore a patient to their optimal health is the greatest reward," according to Dr. Barry Donner. Dr. Donner completed medical school at the Albany Medical School in New York, and his Internship and Residency at Mercy Hospital in San Diego, CA. His fellowship was completed at the University of California at Irvine Medical Center. Dr. Donner is Board Certified in Internal Medicine and Gastroenterology, and he has a special interest in the treatment of liver disease. Dr. Donner is a sports enthusiast who enjoys tennis, ice hockey, skiing, and football. He also enjoys theater and travel in his free time. He lives in South Orange County with his wife and three children.
Medical School

Albany Medical College Union University


Mercy Hospital and Medical Center


Mercy Hospital and Medical Center


University of California- Irvine Medical Center


University of California- Irvine Medical Center

Board Certifications

  • American Board of Internal Medicine, Internal Medicine
Affiliated Locations

Mission Hospital, Laguna Beach
Mission Hospital, Mission Viejo