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

800-826-4673
Dr. Yi-Jen Chen
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Radiation Oncologist
Clinical Expertise
Gastrointestinal Cancers
Gynecologic Cancers
Esophageal Cancer
Brachytherapy
Image-Guided Intensity Modulated Radiation Therapy (IG-IMRT) / TomoTherapy
Research Area
Radiation Treatment for Gastrointestinal and Gynecologic Cancers
Other Languages Spoken
Mandarin
Appointments
Clinical Professor, Department of Radiation Oncology
Director, Residency Program
Clinical Teams
Bile Duct Cancer
Gastrointestinal Cancers
Gynecologic Cancers
Uterine and Endometrial Cancers
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.”
Location
Education & Experience
Board Certifications

  • 2002, American Board of Radiology - Therapeutic Radiology

Degrees

  • 1991-1998, First Department of Surgery, Tokyo Medical & Dental University, Tokyo, Japan, Ph.D.

  • 1977 -1984, National Yang-Ming University School of Medicine, Taipei, Taiwan, M.D., Medicine

Residency

  • 1998 -2002, Radiation Oncology, University of California Irvine Medical Center

Professional Experience

  • 2017 – present, Residency Program Director, City of Hope, Duarte, CA

  • 2002 - present, Clinical Professor and Staff Physician, Department of Radiation Oncology, City of Hope, Duarte, CA

Ratings & Reviews
Ratings and reviews below are gathered from the Press Ganey Clinician and Group Consumer Assessment of Healthcare Providers and Systems (CG CAHPS) survey. CG CAHPS is a standardized survey that is used to measure a patient's experience in the physician office setting. Ratings are an average of all responses to questions about a provider's care, with five stars being the highest.
Ratings
4.9
Show respect for what you say
4.9
Spend enough time with you
4.9
Provider explain in way you understand
4.9
Provider listen carefully to you
4.8
Know important info medical history
4.8
Rate provider 0-10
4.8
Recommend this provider office
Reviews
08/18/23
Helpful and took his time to make sure I understood - Verified patient
08/11/23
I think highly of my medical team. - Verified patient
08/11/23
I would encourage everyone to go to the City Of Hope if they receive a cancer diagnosis. - Verified patient
07/14/23
Dr. Chen is very articulate and makes me feel comfortable with my questions. - Verified patient
07/13/23
Very good. - Verified patient