California Protons Cancer Therapy Center

California Protons Cancer Therapy Center To learn more, please attend one of our information sessions for an educational presentation by one of our physicians and a tour of our facilities.

California Protons uses revolutionary proton beam technology to help fight cancer with unmatched precision and the utmost care, enabling our radiation oncologists to attack tumors while sparing surrounding healthy tissues and organs. Located in San Diego, California Protons Cancer Therapy Center, affiliated with UC San Diego Health Cancer Network, is at the forefront of medical care, research and

biotechnology. With more than 50 years of combined proton experience, our world-renowned doctors leverage revolutionary cancer-fighting treatments and tools to treat both common and very rare cancers. Visit our website to view details and call us to register.

We couldn't forget our adult patients! In honor of Spring and Easter, everyone was invited to assemble Lego-style flower...
04/03/2026

We couldn't forget our adult patients! In honor of Spring and Easter, everyone was invited to assemble Lego-style flowers to brighten up the Center and their homes! Happy Easter everyone!

California Protons had the pleasure of putting together Easter Goody Bags for our youngest patients. Our goal is to prov...
04/03/2026

California Protons had the pleasure of putting together Easter Goody Bags for our youngest patients. Our goal is to provide some Spring joy and excitement during their treatment. Happy Easter Everyone!

In honor of National Doctors' Day, we'd like to recognize Loren Mell, MD. Dr. Mell specializes in treating patients with...
03/30/2026

In honor of National Doctors' Day, we'd like to recognize Loren Mell, MD. Dr. Mell specializes in treating patients with head and neck cancers and is Chief of Radiation Oncology Services for head and neck cancer at UC San Diego Health. https://www.californiaprotons.com/team-member/loren-mell-md/

In honor of National Doctors' Day, we'd like to recognize Brent Rose, MD. Dr. Rose specializes in treating patients with...
03/30/2026

In honor of National Doctors' Day, we'd like to recognize Brent Rose, MD. Dr. Rose specializes in treating patients with prostate, head & neck and primary brain tumors. He is an assistant professor instructing medical students, residents and fellows at UCSD School of Medicine. https://www.californiaprotons.com/team-member/brent-rose-md/

n honor of National Doctors' Day, we recognize Steven Davis, MD for all he does to care for our patients. He is dedicate...
03/30/2026

n honor of National Doctors' Day, we recognize Steven Davis, MD for all he does to care for our patients. He is dedicated to the vision of complete victory in the war on cancer with a treatment philosophy based on maximizing success while minimizing treatment toxicities. Learn more about Dr. Davis: https://www.californiaprotons.com/team-member/steven-davis-md/

In honor of National Doctors' Day, we'd like to recognize Kathryn Tringale, MD. Dr. Tringale specializes in treating bra...
03/30/2026

In honor of National Doctors' Day, we'd like to recognize Kathryn Tringale, MD. Dr. Tringale specializes in treating brain and spine, breast, and pediatric cancers, as well as leukemia and lymphoma. She is the author of over 60 peer-reviewed publications. Read more about Dr. Tringale here: https://www.californiaprotons.com/team-member/kathryn-tringale-md/

In honor of National Doctors' Day, we'd like to recognize James Urbanic, MD. Dr. Urbanic is the UC San Diego Medical Dir...
03/30/2026

In honor of National Doctors' Day, we'd like to recognize James Urbanic, MD. Dr. Urbanic is the UC San Diego Medical Director at the Center and has been integral in developing the University of California Proton Therapy Consortium. He treats a variety of cancer types including breast, neurologic, prostate, head and neck and recurrences. https://www.californiaprotons.com/team-member/james-urbanic-md/

In honor of National Doctors' Day, we would like to extend our extreme gratitude to our amazing team of California Proto...
03/30/2026

In honor of National Doctors' Day, we would like to extend our extreme gratitude to our amazing team of California Protons physicians. Thank you for your leadership, dedication, and compassion. We can never thank you enough for the amazing care you provide to our patient every day! Happy Doctors' Day! Learn more about our amazing team here: https://www.californiaprotons.com/physicians/

In honor of National Doctors' Day, we'd like to celebrate Ari Katerelos, MD. Dr. Katerelos utilizes his experience as an...
03/28/2026

In honor of National Doctors' Day, we'd like to celebrate Ari Katerelos, MD. Dr. Katerelos utilizes his experience as an oncology nurse and radiation oncologist to provide compassionate care to his patients, giving them the best possible chance to beat their cancer. Learn more about Dr. Katerelos here:https://www.californiaprotons.com/team-member/ari-katerelos-md/

Address

9730 Summers Ridge Road
San Diego, CA
92121

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

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