183 Medical Oncology providers practice in Washington, including 76 (42%) offering telehealth. The largest concentration is in Seattle. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
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| Medical Oncology in Seattle | 94 providers |
| Medical Oncology in Tacoma | 9 providers |
| Medical Oncology in Spokane | 8 providers |
| Medical Oncology in Sequim | 7 providers |
| Medical Oncology in Vancouver | 5 providers |
| Medical Oncology in Longview | 5 providers |
| Medical Oncology in Bellingham | 5 providers |
| Medical Oncology in Everett | 4 providers |
| Medical Oncology in Yakima | 4 providers |
| Medical Oncology in Lacey | 4 providers |
| Medical Oncology in Walla Walla | 3 providers |
| Medical Oncology in Burien | 3 providers |
| Medical Oncology in Olympia | 3 providers |
| Medical Oncology in Issaquah | 3 providers |
| Medical Oncology in Port Townsend | 2 providers |
| Medical Oncology in Mount Vernon | 2 providers |
| Medical Oncology in Edmonds | 2 providers |
| Medical Oncology in Kennewick | 2 providers |
| Medical Oncology in Poulsbo | 2 providers |
| Medical Oncology in Renton | 2 providers |
| Medical Oncology in Spokane Valley | 2 providers |
| Medical Oncology in Bothell | 2 providers |
| Medical Oncology in Lakewood | 1 providers |
| Medical Oncology in Kent | 1 providers |
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
There are 183 Medical Oncology providers with active NPI records practicing in Washington, according to federal NPPES data refreshed monthly.
Yes. 76 of the 183 Medical Oncology providers in Washington (about 42%) report offering telehealth services in CMS data.
Seattle (94), Tacoma (9), Spokane (8) have the highest concentration of Medical Oncology providers in Washington.
91 of 183 Medical Oncology providers in Washington (50%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Among 99 Oncologists in Washington enrolled in Medicare, 3% bill through a solo or small practice with fewer than 10 clinicians, 7% through a mid-size group of 10 to 99, and 90% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
According to CMS facility affiliation records, the Washington hospitals where the most Oncologists hold privileges are University of Washington Medical Ctr in Seattle; Swedish Medical Center in Seattle; Tacoma General Allenmore Hospital in Tacoma.
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