Seattle Cancer Care Alliance Acquires Seattle Proton Therapy Center

Addition improves access to vital proton therapy services for cancer patients in Washington, Wyoming, Alaska, Montana, Idaho, Oregon

SEATTLE (November 22, 2021) – Seattle Cancer Care Alliance (SCCA), a leading cancer treatment center that brings together premier research teams and cancer specialists of UW Medicine, Fred Hutchinson Cancer Research Center and Seattle Children’s, today announced it has expanded the innovative cancer treatments it can offer its patients by acquiring Seattle Proton Therapy Center. One of only 39 specialized proton therapy centers in the nation, the Seattle Cancer Care Alliance Proton Therapy Center is the only facility of its kind within an 800-mile radius of Seattle and serves patients locally and internationally. 

“We are delighted to welcome the SCCA Proton Therapy Center’s renowned team to the Seattle Cancer Care Alliance family,” said Dr. Nancy Davidson, president and executive director of SCCA. “Proton therapy is an important treatment option for a number of cancers, but depending on a patient’s geographic location, access to them might be limited. Adding the SCCA Proton Therapy Center to our team underscores our commitment to ensuring that our patients have seamless access to comprehensive, state-of-the-art treatment options and will help us fulfill our mission of better, longer lives for those with cancer.”  

The SCCA Proton Therapy Center offers advanced treatments using precise radiation therapy to target cancer tumors in both adult and pediatric patients, which can minimize and reduce exposure to healthy tissue and reduces adverse side effects. Proton therapy treatment is effective in treating many types of cancers including brain, breast, prostate, head and neck, lung and gastrointestinal tumors, among others. 

The acquisition grants Proton Center patients access to a number of additional offerings at SCCA, such as physical therapy, nutrition services and psychosocial services including psychiatrists and social workers. 

“Our team is thrilled to officially join SCCA,” said Dr. Jing Zeng, medical director at SCCA Proton Therapy Center. “Drawing on our collective experience and uniting renowned cancer physicians from UW Medicine and Seattle Children’s, we look forward to continued collaboration and delivering the highest quality of care for our patients in the WWAMIO region.”

Since opening its doors in 2013, the SCCA Proton Therapy Center has delivered more than 3,000 customized proton therapy treatments to patients.

About Seattle Cancer Care Alliance 

Seattle Cancer Care Alliance brings together the leading research teams and cancer specialists from Fred Hutch, Seattle Children’s and UW Medicine — one extraordinary group whose sole purpose is the pursuit of better, longer, richer lives for our patients. Based in Seattle’s South Lake Union neighborhood, Seattle Cancer Care Alliance has nine clinical care sites in the region, including a medical oncology clinic at EvergreenHealth in Kirkland; hematology/medical oncology and infusion services at Overlake Medical Center in Bellevue, medical and radiation oncology clinics at UW Medical Center - Northwest Seattle and medical oncology services at SCCA Issaquah, as well as Network affiliations with hospitals in five states. For more information about SCCA, visit

Karina San Juan, or (206) 640-4782
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Gastrointestinal Refers to the stomach and intestines. Also called GI. Infusion An injection of medications or fluids into a vein over a period of time. Radiation therapy The use of high-energy radiation from X-rays, gamma rays, neutrons, protons and other sources to kill cancer cells and shrink tumors. The use of high-energy radiation from x-rays, gamma rays, neutrons, protons and other sources to kill cancer cells and shrink tumors. Radiation may come from a machine outside the body (external-beam radiation therapy), or it may come from radioactive material placed in the body near cancer cells (internal radiation therapy or brachytherapy). Systemic radiation therapy uses a radioactive substance, such as a radiolabeled monoclonal antibody, that travels in the blood to tissues throughout the body. Side effects A problem that occurs when treatment affects healthy tissues or organs. Some side effects of cancer treatment are nausea, vomiting, fatigue, pain, decreased blood cell counts, hair loss and mouth sores.