6 NPI-registered Radiation Oncology Clinic/Center providers practice in Washington. See all states.
| Provider | Specialty | Location | NPI |
|---|---|---|---|
| Jericho O'ConnellPHD | Radiation Oncology Clinic/Center | Seattle, WA | 1538907860 |
| Legacy Salmon Creek Hospital | Radiation Oncology Clinic/Center | Vancouver, WA | 1609175660 |
| Providence Health & Services Washington | Radiation Oncology Clinic/Center | Aberdeen, WA | 1457721250 |
| Seattle Proton Center, LLC | Radiation Oncology Clinic/Center | Seattle, WA | 1326382482 |
| Soma Longevity, PLLC | Radiation Oncology Clinic/Center | Richland, WA | 1821933748 |
| Universal Treatment Center, Inc | Radiation Oncology Clinic/Center | Auburn, WA | 1932325313 |
Source: CMS NPPES Data Dissemination (June 2026). Specialty taxonomy: NUCC.