
John T Chang MD AGAF, FACP
Professor, Medicine, UCSD School of Medicine
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9500 Gilman Dr # 0063La Jolla, CA 92093
Phone+1 619-543-2347
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Education & Training
- University of Pennsylvania Health SystemFellowship, Gastroenterology, 2004 - 2007
- University of Pennsylvania Health SystemResidency, Internal Medicine, 2001 - 2004
- Lewis Katz School of Medicine at Temple UniversityClass of 2001
Certifications & Licensure
- CA State Medical License 2009 - 2027
- PA State Medical License 2001 - 2010
- American Board of Internal Medicine Gastroenterology
Publications & Presentations
PubMed
- Foxo1 regulates intestinal tissue-resident memory CD8 T cell biology in an anatomic compartment- and context-specific manner.Paul Hsu, Eunice J Choi, William H Wong, Yun Hsuan Lin, Sara A Vandenburgh
Science Immunology. 2025-04-11 - IL-23p19 Antagonists vs Ustekinumab for Treatment of Crohn's Disease: A Meta-Analysis of Randomized Controlled Trials.Claudia Dziegielewski, Yuhong Yuan, Christopher Ma, Brigid S Boland, John T Chang
The American Journal of Gastroenterology. 2025-03-12 - 12 citationsIBD Matchmaking: Rational Combination Therapy.Robert Battat, John T Chang, Edward V Loftus Jr, Bruce E Sands
Clinical Gastroenterology and Hepatology. 2025-02-01
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