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Radiation Oncologists in Oregon

Data updated monthly · Last refresh October 2026

117 Radiation Oncology providers practice in Oregon, including 41 (35%) offering telehealth. The largest concentration is in Portland. 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.

117providers
41telehealth
Portlandtop city

Radiation Oncology by city in Oregon

Choose a city to see providers there.

Radiation Oncology in Portland53 providers
Radiation Oncology in Corvallis9 providers
Radiation Oncology in Bend8 providers
Radiation Oncology in Eugene7 providers
Radiation Oncology in Salem7 providers
Radiation Oncology in Medford7 providers
Radiation Oncology in Roseburg4 providers
Radiation Oncology in Mcminnville3 providers
Radiation Oncology in Grants Pass2 providers
Radiation Oncology in Pendleton2 providers
Radiation Oncology in Happy Valley2 providers
Radiation Oncology in Gresham2 providers
Radiation Oncology in Tigard2 providers
Radiation Oncology in Coos Bay2 providers
Radiation Oncology in Klamath Falls1 providers
Radiation Oncology in Astoria1 providers
Radiation Oncology in Canby1 providers
Radiation Oncology in Hillsboro1 providers
Radiation Oncology in Amity1 providers
Radiation Oncology in The Dalles1 providers
Radiation Oncology in Tualatin1 providers

Radiation Oncology providers in Oregon

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. Thomas Johnson, M.D.
Portland, OR · No drug or device payments recorded (2025) · (503) 280-2931
Dr. Thomas Wynne, M.D.
Portland, OR · $16 in drug and device payments (2025) · (503) 280-2931
Dr. Michael Brown, M.D.
Roseburg, OR · No drug or device payments recorded (2025) · (541) 673-2267
Dr. Michael Marietta, M.D.
Roseburg, OR · $27 in drug and device payments (2025) · (541) 673-2267
Dr. Randy Moore, D.O.
Roseburg, OR · $52 in drug and device payments (2025) · (541) 673-2267
Dr. Sylvia Gosline, M.D.
Roseburg, OR · $72 in drug and device payments (2025) · (541) 672-5542
Dr. Arnella Hennig, M.D.
Salem, OR · No drug or device payments recorded (2025) · (503) 561-5294
Dr. Matthew Gordon, M.D.
Salem, OR · No drug or device payments recorded (2025) · (503) 561-5294
Dr. Matthew Kang, M.D.
Salem, OR · No drug or device payments recorded (2025) · (503) 561-5294
Dr. Nancy Reyes-molyneux, M.D.
Salem, OR · No drug or device payments recorded (2025) · (503) 561-5294
Dr. Samuel Wang, MD, PHD
Salem, OR · No drug or device payments recorded (2025) · (503) 561-5294
Dr. Tasha Mcdonald, MD
Salem, OR · No drug or device payments recorded (2025) · (503) 561-5294
Dr. William Chance, M.D.
Salem, OR · No drug or device payments recorded (2025) · (503) 561-5294
Dr. Keith Stelzer, M.D., PH.D.
The Dalles, OR · No drug or device payments recorded (2025) · (541) 296-7204
Dr. John Schuler, M.D.
Tigard, OR · No drug or device payments recorded (2025) · Telehealth · (971) 708-7600
Dr. William Arscott, MD
Tigard, OR · No drug or device payments recorded (2025) · Telehealth · (971) 708-7600
Dr. Gregory Willis, M.D.
Tualatin, OR · $54 in drug and device payments (2025) · (503) 692-4843

Common questions

How many Radiation Oncology providers are in Oregon?

There are 117 Radiation Oncology providers with active NPI records practicing in Oregon, according to federal NPPES data refreshed monthly.

Do Radiation Oncology providers in Oregon offer telehealth?

Yes. 41 of the 117 Radiation Oncology providers in Oregon (about 35%) report offering telehealth services in CMS data.

Which cities in Oregon have the most Radiation Oncology providers?

Portland (53), Corvallis (9), Bend (8) have the highest concentration of Radiation Oncology providers in Oregon.

How many Radiation Oncology providers in Oregon received drug or device company payments?

47 of 117 Radiation Oncology providers in Oregon (40%) 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 Oregon work in independent practices or large health systems?

Among 77 Radiation Oncologists in Oregon enrolled in Medicare, 10% bill through a solo or small practice with fewer than 10 clinicians, 14% through a mid-size group of 10 to 99, and 75% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Radiation Oncologists in Oregon work at?

According to CMS facility affiliation records, the Oregon hospitals where the most Radiation Oncologists hold privileges are Ohsu Hospital and Clinics in Portland; Providence Portland Medical Center in Portland; Providence St Vincent Medical Center in Portland.

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Radiation Oncology in Oregon? Get featured.