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.
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. Zachary Oaks, MDPuyallup, WA · $895 in drug and device payments (2025) ·
(253) 200-3166 Dr. John Lytle, M.D.Redmond, WA · No drug or device payments recorded (2025) ·
(425) 802-2556 Dr. John Travaglini, M.D.Renton, WA · No drug or device payments recorded (2025) ·
(425) 251-5121 Dr. Robert Douglas, M.D.Renton, WA · $56 in drug and device payments (2025) · Telehealth ·
(425) 251-5121 Dr. Ahsen Ahmed, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 520-5000 Dr. Alvin Cabrera, M.D.Seattle, WA · No drug or device payments recorded (2025) ·
(206) 326-3000 Dr. Amber Post, M.D. PH.D.Seattle, WA · No drug or device payments recorded (2025) · Telehealth ·
(206) 223-6801 Dr. Andrew Suen, M.D.Seattle, WA · No drug or device payments recorded (2025) · Telehealth ·
(206) 223-6801 Dr. Andrew Trister, MD, PHDSeattle, WA · No drug or device payments recorded (2025) ·
(973) 715-8660 Dr. Annaliisa Mcglinn, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 520-5000 Dr. Annemarie Shepherd, MDSeattle, WA · $83 in drug and device payments (2025) · Telehealth ·
(206) 520-5000 Dr. Astrid Morris, M.D.Seattle, WA · $40 in drug and device payments (2025) · Telehealth ·
(206) 386-2323 Dr. Audrey Tran, MDSeattle, WA · $16 in drug and device payments (2025) · Telehealth ·
(206) 288-1000 Dr. Benjamin Li, MD, MBASeattle, WA · No drug or device payments recorded (2025) · Telehealth ·
(206) 520-5000 Dr. Chan-kyung ChoSeattle, WA · $149 in drug and device payments (2025) · Telehealth ·
(206) 520-5000 Dr. Charles Leyrer, M.D.Seattle, WA · No drug or device payments recorded (2025) ·
(206) 326-3000 Dr. Christopher Canning, M.D.Seattle, WA · No drug or device payments recorded (2025) ·
(206) 326-3490 Dr. Christopher Loiselle, M.D.Seattle, WA · $9,067 in drug and device payments (2025) · Telehealth ·
(206) 386-2323 Dr. Daniel Landis, M.D.Seattle, WA · $253 in drug and device payments (2025) · Telehealth ·
(206) 386-6707 Dr. Don Hebard, M.D.Seattle, WA · No drug or device payments recorded (2025) ·
(206) 223-6801 Dr. Edward Kim, M.D.Seattle, WA · No drug or device payments recorded (2025) · Telehealth ·
(206) 598-4100 Dr. Emily Weg, MDSeattle, WA · $242 in drug and device payments (2025) · Telehealth ·
(206) 520-5000 Dr. Erin Gillespie, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 520-5000 Dr. Gabrielle Kane, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 598-4113 Dr. George LaramoreSeattle, WA · No drug or device payments recorded (2025) ·
(206) 598-4100 Dr. Guobin Song, MDSeattle, WA · $132 in drug and device payments (2025) · Telehealth ·
(206) 223-6600 Dr. Herbert Berry, M.D.Seattle, WA · No drug or device payments recorded (2025) ·
(206) 323-0982 Dr. Hiroki Mitsuyama, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 223-6801 Dr. Huong Pham, MDSeattle, WA · $107 in drug and device payments (2025) · Telehealth ·
(206) 223-6600 Dr. Jacob Trotter, MDSeattle, WA · $108 in drug and device payments (2025) · Telehealth ·
(206) 215-6251 Dr. James Brashears, MDSeattle, WA · $108 in drug and device payments (2025) · Telehealth ·
(941) 726-4991 Dr. Jamie Takayesu, MDSeattle, WA · $153 in drug and device payments (2025) · Telehealth ·
(206) 520-5000 Dr. Janice Kim, M.D.Seattle, WA · No drug or device payments recorded (2025) · Telehealth ·
(206) 288-7318 Dr. Jason RockhillSeattle, WA · No drug or device payments recorded (2025) ·
(206) 598-4100 Dr. Jay Liao, MDSeattle, WA · No drug or device payments recorded (2025) · Telehealth ·
(206) 598-4100 Dr. Jennifer Keam, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 543-0065 Dr. Jiheon SongSeattle, WA · No drug or device payments recorded (2025) · Telehealth ·
(514) 663-1127 Dr. Jim Leng, MDSeattle, WA · No drug or device payments recorded (2025) · Telehealth ·
(206) 606-7318 Dr. Jing Zeng, MDSeattle, WA · $5,286 in drug and device payments (2025) · Telehealth ·
(206) 598-4100 Dr. John Blasko, M.D.Seattle, WA · No drug or device payments recorded (2025) ·
(206) 215-2480 Dr. John Kang, MD, PHDSeattle, WA · No drug or device payments recorded (2025) · Telehealth ·
(206) 598-4100 Dr. Jonathan Chen, M.D., PH.D.Seattle, WA · No drug or device payments recorded (2025) · Telehealth ·
(206) 520-5000 Dr. Joy Yan, MD, PHDSeattle, WA · No drug or device payments recorded (2025) ·
(410) 262-5368 Dr. Katarina Nguyen, MDSeattle, WA · $144 in drug and device payments (2025) · Telehealth ·
(206) 520-5000 Dr. Kathi White, ARNPSeattle, WA · No drug or device payments recorded (2025) ·
(206) 326-3490 Dr. Kathryn Blau, M.D., M.S.Seattle, WA · No drug or device payments recorded (2025) · Telehealth ·
(206) 598-4121 Dr. Kenneth Olivier, M.D.Seattle, WA · No drug or device payments recorded (2025) ·
(206) 520-5000 Dr. Kenneth RussellSeattle, WA · No drug or device payments recorded (2025) ·
(206) 288-1012 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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