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 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. Aaron Hicks, M.D.Portland, OR · $63 in drug and device payments (2025) ·
(503) 257-2500 Dr. Aaron Sabolch, MDPortland, OR · $321 in drug and device payments (2025) ·
(503) 280-2931 Dr. Adam Avant, MDPortland, OR · No drug or device payments recorded (2025) ·
(032) 150-6295 Dr. Alice Wang-chesebro, M.D.Portland, OR · $198 in drug and device payments (2025) ·
(503) 215-6029 Dr. Amar Srivastava, M.D.Portland, OR · $969 in drug and device payments (2025) · Telehealth ·
(503) 215-6029 Dr. Andrew Kee, M.D.Portland, OR · $4,289 in drug and device payments (2025) · Telehealth ·
(503) 413-7135 Dr. Arthur Hung, MDPortland, OR · $43 in drug and device payments (2025) · Telehealth ·
(503) 494-8756 Dr. Bradley Ackerson, MDPortland, OR · $300 in drug and device payments (2025) · Telehealth ·
(503) 216-2195 Dr. Brian Lee, M.D.Portland, OR · $35 in drug and device payments (2025) ·
(503) 216-2195 Dr. Carl Post, MDPortland, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 494-8756 Dr. Casey Williamson, M.D.Portland, OR · No drug or device payments recorded (2025) · Telehealth ·
(818) 364-1555 Dr. Cheryl Claunch, MD, PHDPortland, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 494-8211 Dr. Christina Huang, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 215-6029 Dr. Cymon Read, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 215-6600 Dr. David Gannett, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 216-2195 Dr. Diane Tsai, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 813-2000 Dr. Eric Chang, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 494-8756 Dr. Eric Hansen, MDPortland, OR · $24 in drug and device payments (2025) · Telehealth ·
(503) 216-2195 Dr. Eric Nesbit, M.D.Portland, OR · $50 in drug and device payments (2025) · Telehealth ·
(503) 215-6029 Dr. Fredrick Wagner, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 216-2195 Dr. Gregory Patton, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 528-5013 Dr. Howard Sandler, MDPortland, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 494-6346 Dr. Jaishanker Nautiyal, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 280-2931 Dr. Jeannie Louie, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 216-2195 Dr. Jehan Yahya, MDPortland, OR · $80 in drug and device payments (2025) ·
(503) 251-6305 Dr. Jenna Kahn, M.D.Portland, OR · $71 in drug and device payments (2025) ·
(503) 494-1998 Dr. John Holland, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-8756 Dr. Joshua Walker, MD/PHDPortland, OR · $398 in drug and device payments (2025) · Telehealth ·
(503) 494-8756 Dr. Kathleen Jaffe, M.D., MPHPortland, OR · No drug or device payments recorded (2025) ·
(503) 280-2931 Dr. Katie Deming, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 222-1299 Dr. Kenneth Nitta, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 251-6305 Dr. Kenneth Stevens, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 494-8756 Dr. Kristina Young, M.D., PH.D.Portland, OR · $1,090 in drug and device payments (2025) ·
(503) 215-6029 Dr. Lanceford Chong, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-8756 Dr. Lubna Hammoudeh, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-8756 Dr. Lynne Dawson, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 251-6305 Dr. Marka Crittenden, M.D. PH.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 215-6029 Dr. Mark Schray, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 413-7135 Dr. Matthew Solhjem, MDPortland, OR · $368 in drug and device payments (2025) · Telehealth ·
(503) 215-6029 Dr. Misa Lee, M.D.Portland, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 413-7135 Dr. Mohammad Hissourou, MDPortland, OR · $76 in drug and device payments (2025) · Telehealth ·
(503) 494-8756 Dr. Nicolaas De Wette, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 280-1223 Dr. Nima Nabavizadeh, MDPortland, OR · $3,595 in drug and device payments (2025) · Telehealth ·
(503) 494-8756 Dr. Re-i Chin, MDPortland, OR · $373 in drug and device payments (2025) ·
(503) 216-2195 Dr. Reid Thompson, MD PHDPortland, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 494-8756 Dr. Roy Bliley, MDPortland, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 215-6029 Dr. Sahar Rosenbaum, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-8756 Dr. Sophia Bornstein, M.D. PH.D.Portland, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 216-2401 Dr. Stephen Bader, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 215-6029 Dr. Steven Seung, MD, PHDPortland, OR · $1,767 in drug and device payments (2025) · Telehealth ·
(503) 215-6029 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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