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Office
101 The City Drive South
UCI Medical Center
Orange, CA 92868Phone+1 714-456-8978Fax+1 855-211-3729
Education & Training
- Duke University HospitalFellowship, Gastroenterology, 1991 - 1994
- UCLA-VA Greater Los AngelesResidency, Internal Medicine, 1987 - 1991
- University of Miami Leonard M. Miller School of MedicineClass of 1987, MD
- University of MiamiB.S., Cum Laude, 1983
Certifications & Licensure
- OR State Medical License 1994 - Present
- CA State Medical License 1988 - 2025
- American Board of Internal Medicine Gastroenterology
Awards, Honors, & Recognition
- Top Doctor Los Angeles Magazine, 2016
- America’s Most Honored Professional, Top 1% Award 2016
- Top Doctor US News and World Report, 2012
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Clinical Trials
- Longitudinal Surveillance Registry (LSR) of ACUITY Spiral Start of enrollment: 2009 Aug 04
Publications & Presentations
PubMed
- 2 citationsEthanol Ablation of a Peripheral Nerve Sheath Tumor Presenting as a Small Bowel Obstruction.Matthew Chin, Chien-Lin Chen, Kenneth J. Chang, John G. Lee, Jason B. Samarasena
ACG Case Reports Journal. 2016-01-01 - 282 citationsSystemic cancer therapy with a tumor-selective vaccinia virus mutant lacking thymidine kinase and vaccinia growth factor genes.J. Andrea McCart, Jerrold M. Ward, John A. Lee, Yun Hu, H. Richard Alexander
Cancer Research. 2001-12-15 - 81 citationsA multicenter randomized trial comparing a 25-gauge EUS fine-needle aspiration device with a 20-gauge EUS fine-needle biopsy device.Priscilla A. van Riet, Alberto Larghi, Fabia Attili, Guido Rindi, Nam Q. Nguyen
Gastrointestinal Endoscopy. 2019-02-01
Journal Articles
- Altered anatomy ERCP with spiral overtube-assisted stent placementSamarasena JB, Huang JY, Chin M, Chang KJ, Lee JG, Gastrointest Endosc, 1/29/2016
- The "PEG-Pedi-PEG" technique: a novel method for percutaneous endoscopic gastrojejunostomy tube placement (with video)Samarasena J, Kwak NH, Chang K, Lee JG, Gastrointest Endosc, 1/18/2016
- Role of serial EUS-guided FNA on pancreatic cystic neoplasms: a retrospective analysis of repeat carcinoembryonic antigen measurementsNakai Y, Iwashita T, Shinoura S, Park DH, Samarasena JB, Lee JG, et al, Gastrointest Endosc, 1/6/2016
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Books/Book Chapters
Abstracts/Posters
- Fiducial Marker Seeds to Quantitate Interfraction Target Movement in Pancreatic Cancer Radiation TherapyBahari-Kashani JN, Lee JG, Roa DE, Chang K, et al, American Society for Radiation Oncology Annual Meeting, San Diego, CA, 1/1/2010
- Predictive value of pancreatic ductal dilation on endoscopic ultrasound diagnosis of pancreatic cancerNguyen WT, Chen AM, Chen WP, Lee J et al, Gastrointest Endosc, 1/1/2007
- Endoscopic ultrasound-guided paracentesis of the ascitic fluidRooba W, Lee J, Gu M, 54th Annual Scientific Meeting of American Society of Cytopathology, Toronto, Canada, 1/8/2006
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Lectures
- Primary Sclerosing CholangitisOrange, CA - 1/1/2016
- CRE infectionOrange, CA - 1/1/2015
- CRE and ERCPAnaheim, CA - 1/1/2015
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Other
- Treatment of GISTLee JG, Webcast
Chicago, IL - 1/1/2011 - Colon cancer and polypsLee JG, ACP-ASIM
1/1/2000 - Selective cannulationLee JG, Leung JWC, 13th Annual ACG postgraduate course
Miami, FL - 1/1/1994 - Join now to see all
Professional Memberships
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