
Brian Sehoon Lim MD MCR, FACP, FACG, FASGE, AGAF
Advanced Endoscopic Interventional, Bariatric Medicine
Physician
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26732 Crown Valley Pkwy Suite 241Mission Viejo, CA 92691
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Summary
- Dr. Brian Lim is a gastroenterologist in Irvine, CA. He received his medical degree from Chicago Medical School/Rosalind Franklin University of Medicine Science and has been in practice 15 years. He also speaks multiple languages, including Korean. He is experienced in endoscopic ultrasound, endoscopic mucosal resection, endoscopic submucosal dissection, endoscopic retrograde cholangiopancreatography, and endoscopic full thickness resection. He has more than 10 publications and over 300 citings.
Education & Training
University of California, DavisMasters in clinical research, 2007 - 2009
University of California Davis HealthFellowship, Gastroenterology, 2006 - 2009
Olive View/UCLA Medical CenterResidency, Internal Medicine, 2002 - 2006
Chicago Medical School at Rosalind Franklin University of Medicine and ScienceClass of 2002
Certifications & Licensure
CA State Medical License 2003 - 2027
American Board of Internal Medicine Gastroenterology
Awards, Honors, & Recognition
- Southern California Super Doctors Super Doctors, 2020-2023
- American College of Phyisicians Southern Califnornia Region 2- Distinguished Teacher/Mentor Award American College of Phyisicians, 2021
- Kaiser Permanente Southern California Physician Researcher of the Year Award Kaiser Permanente, 2019
Publications & Presentations
PubMed
- Pioneering the Use of a Novel Endoscopic Ultrasound Platform for Rectal Endoscopic Ultrasound: A Case Series in Outpatient Management of Rectal Subepithelial Lesions.Carol Monis, Jennifer Hou, Fadi Totah, Alexander Prevallet, Brian Lim
ACG Case Reports Journal. 2026-06-01 - Response.Karl Kwok, Bechien U Wu, Vikram Attaluri, Andrew Q Giap, Rui Yan
Gastrointestinal Endoscopy. 2025-12-01 - 5 citationsEMR versus surgery for colon adenomas and early-stage cancers: a comparative effectiveness study.Karl Kwok, Chun Chao, Rui Yan, Vikram Attaluri, Jessica Vallejo
Gastrointestinal Endoscopy. 2025-12-01
Press Mentions
Excavation of a Fossilized Biliary StentSeptember 28th, 2018
EMR Versus Surgery for Colon Adenomas and Early-Stage Cancers: A Comparative Effectiveness StudyDecember 14th, 2025
Grant Support
- Kaiser Southern California Department of Research & Evaluation Regional Research Committee (RRC) GrantKaiser Southern California2017
- NIH K30 GrantNIH2008–2009
Professional Memberships
- Fellow
- Fellow
- Fellow
- Member
- Christian Medical & Dental AssociationsMember
Other Languages
- Korean
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