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Reviews for California Protons Cancer Therapy Center

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  • November 2025

    Post chemo and surgery, I received 28 sessions of proton therapy for breast cancer at California Protons. My experience there was nothing short life changing. From the moment I began my journey there, every single person, from the back office staff to the treatment team, made me feel supported, cared for, and genuinely valued as a person, not just a patient.

    I want to especially recognize Dr. Ian MacEwan, who I truly believe saved my life. Before even scheduling my treatment, Dr. McEwan took the time to personally review all of my medical records. He double-checked not just the reports, but the actual images and tests from two major hospitals, Kaiser... read full review

  • October 2025

    I was diagnosed with Stage 2 prostate cancer (PSA of 8.7) July13, 2020. My own due diligence quickly revealed that proton therapy was the best option by far - few side or after effects and 98% success rate. I also learned that the leading world oncologist for treating prostate cancer with protons, Dr. Carl Rossi, was just 20 minutes from my home ... at California Protons. He pioneered this treatment in 1996 at Loma Linda and has treated more than 14,000 prostate cancer patients since then. My first treatment was Nov. 10, 2020 (my Marine Corps' birthday) and my final treatment Dec. 18, 2020 (just 5 months from my diagnosis date). Most importantly, I had no side or... read full review

  • May 2025

    Excellent staff, center and care. Very thankful I got Dr. Rossi, he is kind, helpful and a pioneer in this field. Much less side effects than traditional treatment. 1st psa test is down to normal parameters. I like how they talk about diet as well. The staff in the financial department made this possible for me as well. A great experience all the way around !

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    California Protons Cancer Therapy Center

    9730 Summers Ridge Rd, San Diego

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