An NCI-designated Comprehensive Cancer Center

Santa Clarita Radiation Oncology

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City of Hope provides Santa Clarita, Valencia and its surrounding communities with incomparable cancer care and radiation treatments close to home. We are trained in the latest advances in radiation oncology and treat patients using multiple leading-edge technologies.

Open Hours

Monday through Friday: 8 a.m. to 5 p.m.
Closed on major federal holidays


City of Hope Santa Clarita radiation oncology site

Working closely with community physicians, City of Hope | Santa Clarita Radiation Oncology acts as a community partner in the radiation therapy care of residents in the Santa Clarita vicinity.

Putting world-class cancer care within reach of as many people as possible, City of Hope maintains community practice sites across Los Angeles, Ventura, San Bernardino and Riverside counties.

We are a recognized world leader in cancer research and treatment, and that expertise is available to every patient at every location:

  • Designated as a comprehensive cancer center, the highest recognition bestowed by the National Cancer Institute, City of Hope is also a founding member of the National Comprehensive Cancer Network, with research and treatment protocols that advance care throughout the nation.
  • We have been ranked as one of “America’s Best Hospitals” in cancer for more than a decade by U.S.News & World Report.
  • With unrivaled survival rates, our pioneering bone marrow and stem cell transplant program is one of the largest and most successful in the United States.
  • Four of the most widely used cancer drugs, Herceptin, Rituxan, Erbitux and Avastin, are based on technology pioneered by City of Hope, saving lives worldwide.
  • We’re leading the way in immunology, harnessing the body’s natural defenses to fight cancer.


Learn more about City of Hope

Visit Why Choose City of Hope to learn more about our institutional distinctions.



Map & Directions

25751 McBean Parkway , Suite 110 , Valencia , CA 91355


Services Offered

Our team is trained in the latest advances in radiation oncology and may use one of the following therapies to treat your cancer:
  • 3-D Conformal Radiation Therapy
  • Accelerated Partial Breast Irradiation
  • Image-guided Radiation Therapy
  • Intensity Modulated Radiation Therapy
  • Stereotactic Body Radiation Therapy
  • Stereotactic Radiosurgery
  • Xofigo
Oncologic and surgery services are located in suite 250. Please call 661-799-1999 for more information. 
At City of Hope, we recognize that each patient and cancer is unique. With this understanding, our expert team of radiation oncologists will determine the treatment plan that will produce the best outcome for you.
May Lin Tao, M.D., M.S.
Assistant Clinical Professor, Department of Radiation Oncology
Santa Clarita Radiation Oncology
Caitlin L. Gomez, M.D.
Assistant Clinical Professor, Department of Radiation Oncology
Mission Hills Radiation Oncology
City of Hope Medical Foundation contracts for physician services rendered at City of Hope and in our community practice sites. Please note that although we strive to keep this information current, it is subject to change without notice. For questions related to your specific coverage at this site, please contact your insurance provider directly. You can find that phone number on your insurance card or in your benefits book. 
If you wish to receive treatment at a City of Hope location or with a City of Hope physician but we do not currently contract with your insurance plan, contact your insurance company and ask about obtaining authorization to receive treatment here. Every medical situation — and every insurance plan  — is different, and there is no guarantee that coverage can be secured. But it is reasonable to make this request, and to ask your insurance company to review the matter with City of Hope Medical Foundation directly. Learn more about medical insurance and financing.
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