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16111 Plummer St# 111GNorth Hills, CA 91343
Phone+1 818-895-9403
Dr. Leung is on Doximity
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Education & Training
UCLA David Geffen School of Medicine/UCLA Medical CenterFellowship, Gastroenterology, 1983 - 1984- UCLA David Geffen School of Medicine/UCLA Medical CenterFellowship, Gastroenterology, 1981 - 1983
UCLA-VA Greater Los AngelesResidency, Internal Medicine, 1978 - 1981
Yale School of MedicineClass of 1978
Certifications & Licensure
CA State Medical License 1979 - 2027
American Board of Internal Medicine Internal Medicine- American Board of Internal Medicine Gastroenterology
Awards, Honors, & Recognition
- Fellow (FACG) American College of Gastroenterology
Clinical Trials
- Treatment of Patients With Fecal Incontinence Start of enrollment: 2008 Jan 01
- Can Simple and Inexpensive Techniques Enhance Patient Comfort Start of enrollment: 2007 Dec 01
- Techniques to Enhance Patient Comfort in Sedation-risk Free Colonoscopy Start of enrollment: 2007 Dec 01
Publications & Presentations
PubMed
- Efficacy of artificial intelligence for adenoma detection in water exchange colonoscopy: a two-center randomized controlled trial.Chi-Liang Cheng, Sergio Cadoni, Paolo Gallittu, Donatella Mura, Erika Utzeri
Endoscopy. 2026-02-01 - Plasma proteomic profiles identify biomarkers predicting Crohn's disease up to 16 years before onset.Jing Feng, Shuo Chen, Qinming Li, Yu Long, Yuying Ma
Nature Communications. 2025-12-12 - A prospective international multisite randomized controlled trial of water exchange with and without distal cap(s) in adenoma detection.Felix W Leung, Sergio Cadoni, Long Chen, Yu Chen, Chi-Liang Cheng
Annals of Gastroenterology. 2025-12-05
Authored Content
- Mo1687 WATER EXCHANGE COLONOSCOPY IS SUPERIOR TO AIR/CARBON DIOXIDE INSUFFLATION AND WATER IMMERSION TECHNIQUES: A META-ANALYSIS AND SYSTEMATIC REVIEW OF RANDOMIZED CONTROLLED TRIALSMay 2018
- Gastrointestinal Endoscopy Editorial Board Top 10 Topics: Advances in GI Endoscopy in 2017May 2018
Professional Memberships
- Fellow
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