Hematologists and Oncologists in Oregon
Data updated monthly · Last refresh October 2026
137 Hematology & Oncology providers practice in Oregon, including 64 (47%) 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.
137providers
64telehealth
Portlandtop city
Hematology & Oncology by city in Oregon
Choose a city to see providers there.
Hematology & 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. Phoebe Trubowitz, MDPortland, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 285-9321 Dr. Punprapai BoriboonsomsinPortland, OR · No drug or device payments recorded (2025) ·
(800) 813-2000 Dr. Rajeev Krishnan, M.DPortland, OR · No drug or device payments recorded (2025) · Telehealth ·
(800) 813-2000 Dr. Ralph Weinstein, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 280-1223 Dr. Richard Maziarz, MDPortland, OR · $16,452 in drug and device payments (2025) · Telehealth ·
(503) 494-4606 Dr. Robert Ellis, DOPortland, OR · $138 in drug and device payments (2025) ·
(503) 331-6500 Dr. Ryo Shohara, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 331-6500 Dr. Sandeep Mashru, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 528-7449 Dr. Sarah Nagle, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-5364 Dr. Sasha Stanton, M.D. PHDPortland, OR · $17 in drug and device payments (2025) ·
(503) 215-1350 Dr. Sharif Ahmed, M.D.Portland, OR · $14 in drug and device payments (2025) · Telehealth ·
(503) 239-7767 Dr. Stephen Chui, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-6594 Dr. Tarunpreet Bains, M.D.Portland, OR · No drug or device payments recorded (2025) · Telehealth ·
(858) 761-7754 Dr. Tibor Kovacsovics, MDPortland, OR · $9,836 in drug and device payments (2025) · Telehealth ·
(503) 494-5058 Dr. Tony Ho, MDPortland, OR · $179 in drug and device payments (2025) · Telehealth ·
(503) 280-1223 Dr. William Fleming, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-5058 Dr. William Mooney, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 232-7000 Dr. William Pearse, MDPortland, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 215-5696 Dr. William Skach, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-7322 Dr. Edward Ottenheimer, MDRoseburg, OR · $503 in drug and device payments (2025) ·
(541) 673-0496 Dr. Joshua Weese, MDRoseburg, OR · $3,800 in drug and device payments (2025) ·
(541) 229-4070 Dr. Stephen Williams, MDRoseburg, OR · $3,879 in drug and device payments (2025) ·
(541) 229-4070 Dr. Charles Petrunin, M.D. Dr. John Strother, M.DSalem, OR · $668 in drug and device payments (2025) · Telehealth ·
(503) 561-6444 Dr. William Pierce, M.D.Salem, OR · $2,218 in drug and device payments (2025) · Telehealth ·
(503) 561-6444 Dr. Peter Kovach, MDSpringfield, OR · No drug or device payments recorded (2025) ·
(541) 683-5001 Dr. Adam Leikensohn, M.D.The Dalles, OR · No drug or device payments recorded (2025) ·
(541) 506-6998 Dr. Anthony Pham, M.D.Tigard, OR · $42 in drug and device payments (2025) · Telehealth ·
(971) 708-7600 Dr. Edward Chang, M.D.Tigard, OR · No drug or device payments recorded (2025) ·
(971) 708-7600 Dr. Richard Zinke, M.D.Tigard, OR · No drug or device payments recorded (2025) ·
(971) 708-7600 Dr. Charles Doolittle, M.D.Tualatin, OR · No drug or device payments recorded (2025) ·
(503) 692-3636 Dr. Ian Schnadig, M.D.Tualatin, OR · No drug or device payments recorded (2025) · Telehealth ·
(503) 692-2032 Dr. Jeffrey Mcwilliams, M.D.West Linn, OR · No drug or device payments recorded (2025) ·
(503) 723-8321 Conditions Hematology & Oncology providers in Oregon commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Hematology & Oncology providers. Individual practices vary, so confirm with the provider before booking.
- Breast cancer
- Lung cancer
- Lymphoma
- Leukemia
- Anemia
- Blood disorders
Common questions
How many Hematology & Oncology providers are in Oregon?There are 137 Hematology & Oncology providers with active NPI records practicing in Oregon, according to federal NPPES data refreshed monthly.
Do Hematology & Oncology providers in Oregon offer telehealth?Yes. 64 of the 137 Hematology & Oncology providers in Oregon (about 47%) report offering telehealth services in CMS data.
Which cities in Oregon have the most Hematology & Oncology providers?Portland (57), Medford (19), Eugene (11) have the highest concentration of Hematology & Oncology providers in Oregon.
How many Hematology & Oncology providers in Oregon received drug or device company payments?66 of 137 Hematology & Oncology providers in Oregon (48%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Hematology & Oncology providers in Oregon treat?Hematology & Oncology providers commonly treat breast cancer, lung cancer, lymphoma, leukemia, anemia and related conditions. Individual practices vary, so confirm with the provider before booking.
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 Hematologists and Oncologists in Oregon work in independent practices or large health systems?Among 87 Hematologists and Oncologists in Oregon enrolled in Medicare, 6% bill through a solo or small practice with fewer than 10 clinicians, 36% through a mid-size group of 10 to 99, and 59% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Hematologists and Oncologists in Oregon work at?According to CMS facility affiliation records, the Oregon hospitals where the most Hematologists and Oncologists hold privileges are Ohsu Hospital and Clinics in Portland; Asante Three Rivers Medical Center in Grants Pass; Asante Rogue Regional Medical Center in Medford.
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