

Gastroenterology
Joseph Ahn, M.D.
Professor of Medicine; Director of Clinical Hepatology
Joseph Ahn, MD, MS, FAASLD, FACG, AGAF, is a transplant hepatologist and Professor of Medicine at Oregon Health & Science University (OHSU) in Portland, Oregon, where he serves as Director of Clinical Hepatology. He specializes in managing chronic liver diseases, including hepatitis B, hepatitis C, and liver cancer (hepatocellular carcinoma), as well as caring for liver transplant candidates and recipients. Dr. Ahn evaluates and treats disorders of the esophagus, stomach, intestines, liver, and
25+
Years in Practice
Credentials
Board Certifications
- Transplant Hepatology (ABIM)
- Gastroenterology (ABIM)
- Internal Medicine (ABIM)
Education & Training
- Northwestern University Feinberg School of Medicine — M.D., 2000
- University of Chicago — Residency, Internal Medicine, 2000-2003
- Northwestern-McGaw Medical Center — Fellowship, Hepatology, 2003-2006
Peer Recognition
- Castle Connolly — Top Doctor
2017-2026 (10 years)
Clinical Focus
Subspecialties
Conditions & Treatments
Practice Details
Hospital Affiliations
- OHSU Hospital
Languages
English
Experience
25+ years in practice