Charles R. Thomas, Jr., M.D.

Head Shot of Charles Thomas
Special Interest:
Radiation Oncology
Accepting Patients:

"Dr. Thomas is dedicated to providing the highest quality care available to his patients"


Dr. Thomas trained in both medical oncology and radiation oncology. He joined the OHSU faculty in November 2005 as Professor and Chairman of the Department of Radiation Medicine. Dr. Thomas is an active member of several professional associations, including the American College of Radiology, the American Society of Clinical Oncology, and the American Association for Cancer Research. He serves on the editorial boards of the Journal of Clinical Oncology, Gastrointestinal Cancer Research, Diseases of the Esophagus, and CA: A Cancer Journal for Clinicians. Dr. Thomas is the national chairman or co-chairman for the following clinical trials: SWOG-0220, SWOG-0533, SWOG-0414, SWOG-0356, ACOSOG-Z06041, and NSABP FR1. His primary areas of interest are gastrointestinal and thoracic cancers, translational research (research translating scientific findings into treatments) and outcomes research (research into how well cancer treatments work for patients).


  • Degree:
    M.D., University of Illinois College of Medicine, 1985
  • Residency:
    Radiation Oncology, University of Washington, 1997 Internal Medicine, Baylor College of Medicine, 1988
  • Fellowship:
    Medical Oncology, Rush University, 1991
  • Certification:
    American Board of Internal Medicine, 1989 American Board of Internal Medicine, 1991 American Board of Radiology, 1998

OHSU Knight Cancer Institute

Visit our site

For Healthcare Professionals

Schedule an Appointment

503 494-8756

Call us now to schedule an appointment!

I see patients at:

Kohler Pavilion

Insurance Information

OHSU accepts most insurance plans

Insurance Information