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UCLA Vatche & Tamar Manoukian Division of Digestive Diseases


UCLA gastroenterology and GI surgery has again earned a top spot in the
U.S. News and World Report's 2016-17 Best Hospitals Honor Roll.
We are now ranked No. 5 in the nation!
UCLA Health hospitals in Westwood and Santa Monica are ranked No. 5 in the nation. Learn More »

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Sign Up for Our Webinar on December 15! Achalasia: What You Should Know » 

"Transformational" Gift Made in Support of Division's PrioritiesVatche and Tamar Manoukian have made a multi-million dollar pledge to the division »


5th Annual UCLA-Mellinkoff Gastroenterology and Hepatology Symposium 

The symposium, being held March 10-12, 2017 at The Beverly Hilton, presents approaches and solutions that physicians can easily integrate into their daily practice. The course will include lecture, panel discussion, live cases and hands-on session. Learn more » 


CURE Annual Research Meeting and Poster Session

The annual meeting will be held on the UCLA campus on March 17, 2017. Learn more »

Meet Our Physicians

Hon Wai Koon, PhD
Hon Wai Koon, PhD
Center for Inflammatory Bowel Diseases
Adjunct Associate Professor, Center for Inflammatory Bowel Disease

Our Expert Team »

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UCLA Rated One of the Top Hospitals in the Nation