Radiation Oncologists in Washington
Data updated monthly · Last refresh October 2026
200 Radiation Oncology providers practice in Washington, including 80 (40%) 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.
200providers
80telehealth
Seattletop city
Radiation Oncology by city in Washington
Choose a city to see providers there.
Where Radiation Oncologists in Washington practice
From CMS Medicare enrollment records covering 128 of the 200 providers listed here (64%). Providers who do not bill Medicare are not included in these figures.
18%solo or small practice (under 10 clinicians)
18%mid-size group (10 to 99)
64%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Radiation Oncologists | All clinicians in group | Main city |
| The Association of University Physicians | 38 | 3,484 | Seattle |
| Tumor Institute Radiation Oncology Group LLP | 14 | 16 | Seattle |
| Multicare Health System | 9 | 2,312 | Gig Harbor |
| Virginia Mason Medical Center | 8 | 867 | Seattle |
| Cancer Care Northwest Centers P S | 7 | 40 | Spokane |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Radiation Oncologists affiliated |
| University of Washington Medical Ctr | Seattle | Government | 4 of 5 | 26 |
| Swedish Medical Center | Seattle | Nonprofit | 4 of 5 | 13 |
| Tacoma General Allenmore Hospital | Tacoma | Nonprofit | 2 of 5 | 12 |
| Swedish Medical Center / Cherry Hill | Seattle | Nonprofit | 4 of 5 | 11 |
| Swedish Edmonds Hospital | Edmonds | Nonprofit | 3 of 5 | 10 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Radiation Oncology providers in Washington
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.
Dr. John Gallucci, MDAuburn, WA · No drug or device payments recorded (2025) ·
(253) 877-9333 Dr. Mark HafermannBellevue, WA · No drug or device payments recorded (2025) ·
(425) 688-5289 Dr. Alexei Polishchuk, M.D.Bellingham, WA · No drug or device payments recorded (2025) ·
(360) 370-2873 Dr. Andrea Arnett, M.D., PH.D.Bellingham, WA · $164 in drug and device payments (2025) · Telehealth ·
(360) 788-8222 Dr. Christine Cha, MDBellingham, WA · No drug or device payments recorded (2025) ·
(360) 788-8222 Dr. James PeltonBellingham, WA · No drug or device payments recorded (2025) ·
(360) 788-8222 Dr. Michael Taylor, M.D.Bellingham, WA · $62 in drug and device payments (2025) ·
(360) 370-2873 Dr. Thomas Neumann, M.D.Bellingham, WA · No drug or device payments recorded (2025) ·
(806) 438-4286 Dr. William Hall, M.D.Bellingham, WA · $65 in drug and device payments (2025) · Telehealth ·
(360) 370-2873 Dr. Stephen Springate, MDBremerton, WA · No drug or device payments recorded (2025) ·
(360) 475-8545 Dr. Alan Tesler, M.D.Burien, WA · No drug or device payments recorded (2025) ·
(206) 386-2626 Dr. Robert Takamiya, M.D.Edmonds, WA · $132 in drug and device payments (2025) · Telehealth ·
(425) 640-4300 Dr. Skyler Lindsley, M.D.Edmonds, WA · No drug or device payments recorded (2025) ·
(425) 640-4300 Dr. Aaron Brown, M.D.Everett, WA · No drug or device payments recorded (2025) · Telehealth ·
(425) 297-5590 Dr. Darren Little, M.D.Everett, WA · $69 in drug and device payments (2025) · Telehealth ·
(425) 297-5590 Dr. William Wisbeck, M.D.Everett, WA · $196 in drug and device payments (2025) · Telehealth ·
(425) 297-5590 Dr. Dean Mastras, MDGig Harbor, WA · $22 in drug and device payments (2025) ·
(253) 851-5155 Dr. Kenneth Bergman, MDGig Harbor, WA · $16 in drug and device payments (2025) ·
(253) 851-5155 Dr. James Spiegel, M.D.Issaquah, WA · $51 in drug and device payments (2025) · Telehealth ·
(425) 313-4200 Dr. Alexandra Brennan, MDJoint Base Lewis Mcchord, WA · No drug or device payments recorded (2025) ·
(253) 968-2090 Dr. Dusten Macdonald, M.D.Joint Base Lewis Mcchord, WA · $170 in drug and device payments (2025) · Telehealth ·
(253) 968-2133 Dr. Andrew Roehrig, MDKennewick, WA · $14 in drug and device payments (2025) ·
(509) 737-3371 Dr. Juno Choe, M.D., PH.D.Kennewick, WA · $1,111 in drug and device payments (2025) ·
(509) 783-9894 Dr. Peter Sien, MDKennewick, WA · $56 in drug and device payments (2025) ·
(509) 987-1800 Dr. Richard Giever, MDKennewick, WA · No drug or device payments recorded (2025) ·
(509) 737-3371 Dr. Ryan Kraus, MDKennewick, WA · No drug or device payments recorded (2025) · Telehealth ·
(509) 737-3371 Dr. Sheila Rege, MDKennewick, WA · No drug or device payments recorded (2025) ·
(509) 987-1800 Dr. Sherry Zhao, M.D.Kennewick, WA · No drug or device payments recorded (2025) ·
(509) 737-3371 Dr. Sue Mandell, MDKennewick, WA · No drug or device payments recorded (2025) ·
(509) 783-9894 Dr. Andrew Barbour, M.D., PHDKirkland, WA · $42 in drug and device payments (2025) ·
(425) 899-1860 Dr. Eric Taylor, MDKirkland, WA · No drug or device payments recorded (2025) ·
(425) 899-1860 Dr. Rosanna Yeung, M.D.Kirkland, WA · No drug or device payments recorded (2025) · Telehealth ·
(425) 899-1860 Dr. Gregory Allen, M.D., PHDLacey, WA · No drug or device payments recorded (2025) ·
(360) 412-8960 Dr. Haleigh Werner, M.D.Lacey, WA · No drug or device payments recorded (2025) ·
(360) 412-8960 Dr. James Raymond, M.D.Lacey, WA · No drug or device payments recorded (2025) ·
(360) 412-8960 Dr. Joseph Hartman, M.D.Lacey, WA · No drug or device payments recorded (2025) ·
(360) 412-8960 Dr. Justin Suszko, MDLacey, WA · $249 in drug and device payments (2025) · Telehealth ·
(360) 412-8960 Dr. Michael Connor, MDLacey, WA · No drug or device payments recorded (2025) · Telehealth ·
(360) 412-8960 Dr. Choong Kim, M.D.Longview, WA · No drug or device payments recorded (2025) ·
(360) 636-4841 Dr. Peter Goff, MDLongview, WA · No drug or device payments recorded (2025) ·
(360) 414-7878 Dr. John Rieke, M.D.Mercer Island, WA · $25 in drug and device payments (2025) ·
(206) 920-3469 Dr. Michal Whiton, M.D.Mount Vernon, WA · $57 in drug and device payments (2025) · Telehealth ·
(360) 814-2630 Dr. Brent Tinnel, M.D.Olympia, WA · $250 in drug and device payments (2025) · Telehealth ·
(360) 706-6370 Dr. Clare Bertucio, MDPort Angeles, WA · No drug or device payments recorded (2025) ·
(360) 417-7000 Dr. Anthony Pham, MDPoulsbo, WA · $63 in drug and device payments (2025) · Telehealth ·
(206) 520-5000 Dr. Richard Foxlee, MDPoulsbo, WA · No drug or device payments recorded (2025) ·
(360) 697-8000 Dr. Kevin Sanders, MDPuyallup, WA · $541 in drug and device payments (2025) ·
(253) 200-3166 Dr. Nathan Bittner, MDPuyallup, WA · $262 in drug and device payments (2025) · Telehealth ·
(253) 841-4311 Common questions
How many Radiation Oncology providers are in Washington?There are 200 Radiation Oncology providers with active NPI records practicing in Washington, according to federal NPPES data refreshed monthly.
Do Radiation Oncology providers in Washington offer telehealth?Yes. 80 of the 200 Radiation Oncology providers in Washington (about 40%) report offering telehealth services in CMS data.
Which cities in Washington have the most Radiation Oncology providers?Seattle (97), Tacoma (10), Vancouver (8) have the highest concentration of Radiation Oncology providers in Washington.
How many Radiation Oncology providers in Washington received drug or device company payments?89 of 200 Radiation Oncology providers in Washington (45%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
Where does this data come from?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.
Do most Radiation Oncologists in Washington work in independent practices or large health systems?Among 128 Radiation Oncologists in Washington enrolled in Medicare, 18% bill through a solo or small practice with fewer than 10 clinicians, 18% through a mid-size group of 10 to 99, and 64% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Radiation Oncologists in Washington work at?According to CMS facility affiliation records, the Washington hospitals where the most Radiation 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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