Ruth Williamson

Ruth Williamson, M.D.

  • Staff Physician, Department of Radiation Oncology

Ruth Williamson, M.D.

Clinical Specialties
  • Radiation Oncology
Areas of Expertise
  • Breast Cancer
Other Languages Spoken
  • Spanish
I find it highly rewarding to improve the quality of life in my patients through their radiation treatment.”
 
Ruth C. Williamson, M.D., specializes in treating breast cancer, including developing psychosocial support programs for breast cancer patients and their families. She brings over two decades’ experience and a host of awards to City of Hope, along with a powerful motivation to improve the lives of her patients.
 
Dr. Williamson earned her medical degree at University of Southern California, then completed her internship at VA Long Beach Hospital, Long Beach, California. Returning to USC, she rose to Chief Resident, then joined Huntington Memorial Hospital where she spent 20 years as Medical Director of Radiation Oncology and 13 years as Medical Director of Breast Cancer Services.
 
Dr. Williamson is focused on increasing her patients’ cure rates through cutting-edge, state-of-the-art treatment. “No matter what your situation with breast cancer,” she insists, “there’s hope.”
 
  • 2018-present, Staff Physician, Department of Radiation Oncology, City of Hope, Duarte, CA
  • 2004-present, Medical Director, Breast Cancer Services, Huntington Memorial Hospital, Pasadena, CA
  • 1998-present, Medical Director, Radiation Oncology, Huntington Memorial Hospital, Pasadena, CA
  • 1995-present, Staff Physician, Radiation Oncology, Huntington Memorial Hospital, Pasadena, CA

Affiliate Location
 
Huntington Radiation Oncology
625 S. Fair Oaks Ave., Suite 100
Pasadena, CA 91105
626-397-5149

Degrees

  • 1989, Doctor of Medicine, University of Southern California, Los Angeles, California
  • 1981, Bachelor of Arts, University of California – Santa Barbara, Santa Barbara, California

Residency

  • 1993-1994, Chief Resident, Radiation Oncology, University of Southern California, Los Angeles, CA
  • 1990-1994, Radiation Oncology, University of Southern California, Los Angeles, CA

Internship

  • 1989-1990, Internal Medicine, VA Long Beach Hospital, Long Beach, California
  • 2002, Award Recipient, Circle of Huntington Hospital
  • 2002, Angel Award, Wellness Community of the Foothills
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