An NCI-designated Comprehensive Cancer Center

Yi-Jen Chen, M.D., Ph.D.

Radiation Oncologist
Clinical Expertise
Research Focus
  • Radiation Treatment for Gastrointestinal and Gynecologic Cancers
Clinical Professor, Department of Radiation Oncology; Director, Residency Program
Other Languages Spoken
  • Mandarin
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Clinical Teams

Named a Top Doctor by Pasadena Magazine many times, Yi-Jen Chen, M.D., has been with City of Hope since 2002, following four years in the radiation oncology department at University of California, Irvine, Medical Center.  
Dr. Chen earned his medical degree at National Yang-Ming University in Taipei, Taiwan and received his Ph.D. from Tokyo Medical & Dental University.
His focus is on developing and improving radiation regimes for gastrointestinal and gynecologic cancers.
The son of a gastroenterologist, Dr. Chen learned from his father to “treat others like you treat your own.”


City of Hope Comprehensive Cancer Center, 1500 East Duarte Road

Duarte, CA 91010

In The News
An Expert's Voice
Yi Jen Chen

From Beijing, with Love: Heartfelt Thanks from an International Patient