Dr. Chang is on Doximity
As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.
- Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
- Connect with colleagues in the same hospital or clinic.
- Read the latest clinical news, personalized to your specialty.
Office
1508 Division St
Ste 15
Oregon City, OR 97045Phone+1 503-692-3750Fax+1 503-691-2324
Education & Training
Icahn School of Medicine at Mount Sinai/Mount Sinai HospitalFellowship, Gastroenterology, 1999 - 2002
University of California (Irvine)Residency, Internal Medicine, 1996 - 1999
Baylor College of MedicineClass of 1996
Certifications & Licensure
CA State Medical License 1998 - Present
OR State Medical License 2002 - 2025- American Board of Internal Medicine Gastroenterology
Publications & Presentations
PubMed
- 29 citationsSystematic review with meta-analysis: 10- or 14-day sequential therapy vs. 14-day triple therapy in the first line treatment of Helicobacter pylori infectionJyh-Ming Liou, Chun-Nien Chen, Yi-Chia Lee, Chi Yang Chang, J.‐Y. Wu
Alimentary Pharmacology & Therapeutics. 2016-02-01
Viewing the full profile is available to verified healthcare professionals only.
Find your profile and take control of your online presence:
