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.

In honor of National Registered Dietician Nutritionist Day, we'd like to recognize Kathryn Holly Mott, RD, ONC who is a ...
03/12/2026

In honor of National Registered Dietician Nutritionist Day, we'd like to recognize Kathryn Holly Mott, RD, ONC who is a valued member of our California Protons Team! Kathryn Holly specializes in oncology nutrition, and has a background in psychology. She meets one-on-one with all of our patients to ensure they have the support they need during their treatment, helping to reduce and manage side effects and providing the most up-to-date nutrition information for each patient's individual needs. Thank you Kathryn Holly for the amazing care you provide our patients! Learn more about our Nutrition Services: https://www.californiaprotons.com/nutrition-services/

Happy Holidays from California Protons to you and your loved ones. We are wishing you all a beautiful and warm holiday w...
12/24/2025

Happy Holidays from California Protons to you and your loved ones. We are wishing you all a beautiful and warm holiday with your friends and family!

Today was "Holiday Hat Day" at California Protons! We enjoyed wearing our favorite hats and showing off our Holiday Styl...
12/19/2025

Today was "Holiday Hat Day" at California Protons! We enjoyed wearing our favorite hats and showing off our Holiday Style! Join us tomorrow as we show our best Holiday Spirit!

Candy Cane Day at California Protons! The Team showed up in their best candy cane attire showing their festive holiday s...
12/18/2025

Candy Cane Day at California Protons! The Team showed up in their best candy cane attire showing their festive holiday spirit! Join us on Friday by wearing your favorite holiday hat or hair piece.

It's Grinch Day at California Protons! The Team showed up in their best Grinch-wear! Join us tomorrow for Candy Cane Day...
12/17/2025

It's Grinch Day at California Protons! The Team showed up in their best Grinch-wear! Join us tomorrow for Candy Cane Day! Wear your best red and white attire!

California Protons kicked off Spirit Week strong with Ugly Sweater Day! The Team really showed up! Join us for Grinch Da...
12/16/2025

California Protons kicked off Spirit Week strong with Ugly Sweater Day! The Team really showed up! Join us for Grinch Day tomorrow (wear green)!

Show your Holiday Spirit by joining us during California Protons Spirit Week! Patients and Staff are invited to dress to...
12/12/2025

Show your Holiday Spirit by joining us during California Protons Spirit Week! Patients and Staff are invited to dress to the themes for a fun, festive week. We'll be highlighting some of the "best dressed" throughout the week!

It's been a rainy week at the Center! We're not used to this in Sunny San Diego! Our Front Desk Team Member Galilea capt...
11/22/2025

It's been a rainy week at the Center! We're not used to this in Sunny San Diego! Our Front Desk Team Member Galilea captured this beautiful rainbow for everyone to enjoy! Have a wonderful weekend everyone!

California Protons will remain open for Veterans Day in order to serve our community and honor our veterans. Thank you t...
11/11/2025

California Protons will remain open for Veterans Day in order to serve our community and honor our veterans. Thank you to all Veterans for your service and sacrifice. We are honored to support you and your families.

California Protons had a great time celebrating Halloween, creating a fun day for our patients of all ages!
11/10/2025

California Protons had a great time celebrating Halloween, creating a fun day for our patients of all ages!

Sponsoring ZERO Prostate Walk this morning at Liberty Station! Stop by and say “Hi”!
10/18/2025

Sponsoring ZERO Prostate Walk this morning at Liberty Station! Stop by and say “Hi”!

We had the pleasure of offering our wonderful team and patients a sweet treat from Gelu Italian Ice. We appreciate our t...
07/24/2025

We had the pleasure of offering our wonderful team and patients a sweet treat from Gelu Italian Ice. We appreciate our team and all the hard work they put forth to ensure the very best care for our patients. It was the perfect addition to a warm afternoon!

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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