What is Proton Therapy

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Contact SCCA Proton Therapy Center

If you have an urgent medical need, please call 911. If you have any medical questions or are experiencing any symptoms related to your proton treatment that are not urgent, please call the 24-hour on-call doctor. This number is provided to you in your welcome kit. Also, feel free to reach out to us with questions.

Patients: For scheduling or non-urgent questions for your care team, please refer to your welcome kit for contact information for the individuals on your team or call 206-306-2800.

Hours of Operation

Monday through Friday
8:00 AM - 5:00 PM

Phone (toll-free)



+1 (206) 306-2800

TTY Washington Relay

(800) 833-6388

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1570 N 115th St., Seattle, WA 98155

On the campus of UW Medicine's Northwest Hospital & Medical Center.