Charles R. Thomas Jr., M.D.

Photo of Charles R. Thomas, Jr., M.D.
Faculty profile

Professor of Radiation Medicine School of Medicine

Accepting new patients

4.8 out of 5 (119 Ratings, 8 Comments)


  • Cancer

Special focus on

  • Colorectal Cancer
  • Esophageal Cancer
  • Lung Cancer
  • Pancreatic Cancer
  • Radiation Oncology


  • M.D., University of Illinois College of Medicine, 0 1985
  • Residency:

    • Radiation oncology, University of Washington, 1997
  • Fellowship:

    • Medical oncology, Rush University, 1991
  • Certifications:

    • American Board of Internal Medicine, 1989


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).

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  • English

Memberships and associations

  • American Society for Therapeutic Radiology and Oncology

Clinical Trials

The following clinical trials are currently accepting new participants:

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Patient Ratings

4.8 out of 5 (119 Ratings, 8 Comments)

The patient ratings score is an average of all responses to physician related questions on our nationally-recognized Press Ganey Patient Satisfaction Survey

  • Friendliness/courtesy 4.9
  • Explanations about your problem/condition 4.8
  • Concern shown for your questions/worries 4.8
  • Effort made to include you in treatment decisions 4.8
  • Used words you could understand 4.9
  • Amount of time spent with you 4.8
  • Your confidence in care provider 4.9
  • Likelihood of recommending to others 4.9
  • Likelihood of recommending to others 4.7

Patient Comments

  • Jun 22, 2018

    I'd highly recommend him to head this department.

  • Jun 05, 2018

    excellent in every way

  • Feb 16, 2018

    we talked about an experimental protocol. I'm still considering it.

  • Mar 31, 2017

    poor breathing

  • Mar 17, 2017

    Dr. Thomas was very professional and very friendly. He provided handouts and explained the procedure in a very clear and understandable manner. [Name]

  • Dec 02, 2016

    I couldn't be happier.I am in the office 5 days a week for radiation, and every person is competent, friendly, and respectful.

  • Sep 09, 2016

    Vague and non-specific

  • Jul 01, 2016

    gave me hope

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