13 Best Cancer Treatment Centers in Seattle

Overlake Cancer Center’s Radiation Oncology team provides cancer care in Seattle with a focus on coordinated treatment, clear explanations, and supportive day-to-day guidance. Radiation oncology is integrated with broader medical, surgical, and infusion expertise, while patient navigators can help organize the steps following diagnosis.

St. Michael Cancer Center brings cancer diagnostics, treatment and ongoing care together in one centralized facility serving the Seattle area from Silverdale. Its three-floor setting includes clinical services and support for patients, caregivers and families, creating a more connected route through evaluation and treatment.

Fred Hutch Cancer Center – Proton Therapy is a specialized cancer treatment center in North Seattle, located on the UW Medical Center–Northwest campus. The facility provides proton therapy and X-ray, or photon, therapy for both adult and pediatric patients. Its proton program is designed around precise radiation delivery, with treatment planning tailored to the tumor and surrounding healthy tissue.

Clear explanations are a notable part of the care experience, from outlining the treatment process and possible side effects to helping families understand what to expect over several weeks. The team also brings together radiation specialists and supportive staff in a clean, organized setting. This center is particularly relevant for patients exploring proton or photon radiation. Appointments are recommended, and families should confirm which treatment pathway is appropriate for the specific diagnosis.

Fred Hutch Cancer Center’s Sloan Clinic in Seattle serves as a major outpatient setting for adult cancer care, bringing specialist providers, advanced technology and supportive services together without requiring hospitalization. Its resources include an on-site pharmacy and a Patient and Family Resource Center, alongside assistance with financial, insurance and records-related needs.

Overlake Bellevue Breast Health Center provides breast-health evaluation and cancer care through a multidisciplinary team in Bellevue. Services address a broad range of breast conditions, from screening and diagnostic work to surgery and coordinated oncology planning. The team can often arrange timely appointments and bring several specialists together for a more connected first visit.

Swedish Radiation Oncology – Issaquah provides advanced radiation treatment for cancerous and noncancerous tumors, with detailed planning designed to target affected tissue while limiting exposure to nearby healthy organs. The Issaquah campus is part of Swedish’s wider cancer-care network and offers access to radiation oncology specialists and coordinated support.

St. Anne Cancer Center in Seattle provides cancer treatment in a setting where compassion, dignity and clear communication are central to the care experience. Doctors, nurses and reception staff are described as caring and informative, taking time to explain what will happen and helping patients feel treated as people rather than numbers.

Fred Hutch Cancer Center’s Sloan Clinic is an outpatient cancer-care hub in Seattle where most adult patients receive treatment that does not require hospitalization. The clinic brings together oncology providers, advanced technology, supportive services, an on-site pharmacy, and a Patient and Family Resource Center.

Seattle Integrative Cancer Center takes a whole-person approach to cancer treatment, combining medical oncology with integrative options intended to support the patient’s broader health. Its services include low-dose chemotherapy, naturopathic oncology, integrative medicine, nutritional support, natural medicine and supplement consultation.

Swedish Cancer Institute Treatment Center – First Hill provides medical oncology in Seattle through a team of physicians, oncology nurses and other specialists treating a wide range of cancers. Care includes current anti-cancer drugs and treatment protocols, with some physicians also involved in clinical research and emerging therapies.

St. Anne Hospital Hematology and Oncology at Virginia Mason Medical Center provides specialized care for blood disorders and cancer in Seattle. The department is known for a considerate, organized style: doctors and nurses take time to answer questions, explain treatment clearly and avoid making appointments feel rushed.

Swedish First Hill Campus is a major general hospital in downtown Seattle, providing advanced medical and surgical care alongside specialized services such as cancer treatment. Its broad clinical structure supports complex care, with physicians, nurses, specialists, navigators, and other caregivers working across treatment pathways.

Virginia Mason Medical Center in Seattle is a broad medical center with specialist services, including orthopedics and sports medicine. Its care model covers evaluation, treatment, rehabilitation and ongoing support for conditions affecting the back, neck, shoulders, hips, knees, hands, feet and ankles.