Hematologists and Oncologists in Washington
Data updated monthly · Last refresh October 2026
474 Hematology & Oncology providers practice in Washington, including 228 (48%) 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.
474providers
228telehealth
Seattletop city
Hematology & Oncology by city in Washington
Choose a city to see providers there.
Hematology & 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. Aaron Boothby, MDSeattle, WA · $31 in drug and device payments (2025) · Telehealth ·
(206) 520-5000 Dr. Adam Cheng, MD, PHDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 543-3605 Dr. Adam Diehl, MDSeattle, WA · No drug or device payments recorded (2025) · Telehealth ·
(206) 520-5000 Dr. Ahmed Mosallam, MD, PHDSeattle, WA · No drug or device payments recorded (2025) ·
(425) 443-7669 Dr. Aisha Alkhinji, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 790-0540 Dr. Akshay Shah, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 288-6956 Dr. Albert Yeh, MDSeattle, WA · $150 in drug and device payments (2025) ·
(206) 520-5000 Dr. Alexandra Boehm, M.D.Seattle, WA · No drug or device payments recorded (2025) ·
(206) 288-6956 Dr. Alexandra Ikeguchi, M.D.Seattle, WA · $272 in drug and device payments (2025) · Telehealth ·
(206) 520-5000 Dr. Alexandre Vinaud Hirayama, M.D.Seattle, WA · No drug or device payments recorded (2025) · Telehealth ·
(206) 288-6956 Dr. Alvaro Perona BlazquezSeattle, WA · No drug or device payments recorded (2025) ·
(206) 524-5181 Dr. Amir Modarressi, MDSeattle, WA · No drug or device payments recorded (2025) · Telehealth ·
(206) 326-3000 Dr. Andrei Shustov, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 288-6739 Dr. Andrew Cowan, M.D.Seattle, WA · $11,786 in drug and device payments (2025) · Telehealth ·
(206) 288-1000 Dr. Andrew Hsieh, M.D.Seattle, WA · No drug or device payments recorded (2025) · Telehealth ·
(206) 228-1000 Dr. Andrew Jacobs, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 223-6600 Dr. Andrew Portuguese, MDSeattle, WA · $278 in drug and device payments (2025) · Telehealth ·
(206) 667-6656 Dr. Ang Li, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 520-5000 Dr. Anna Halpern, M.D.Seattle, WA · $6,540 in drug and device payments (2025) · Telehealth ·
(206) 288-1000 Dr. Ann Von Gehr, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 326-3000 Dr. Antonio Bedalov, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 505-1101 Dr. Arjun LawSeattle, WA · No drug or device payments recorded (2025) · Telehealth ·
(206) 520-5000 Dr. Armin Rashidi, M.D.Seattle, WA · No drug or device payments recorded (2025) · Telehealth ·
(206) 520-5000 Dr. Ashley Aller, M.D.Seattle, WA · $76 in drug and device payments (2025) · Telehealth ·
(206) 326-3000 Dr. Atis Barzdins, M.D.Seattle, WA · $23 in drug and device payments (2025) · Telehealth ·
(206) 505-1300 Dr. Aude Chapuis, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 543-0065 Dr. Barbara Lam, MDSeattle, WA · No drug or device payments recorded (2025) · Telehealth ·
(206) 520-5000 Dr. Beate Gleissner, M.D.Seattle, WA · No drug or device payments recorded (2025) ·
(206) 288-6956 Dr. Ben Chue, M.D.Seattle, WA · $407 in drug and device payments (2025) ·
(206) 686-1266 Dr. Benjamin Uttenthal, MD, PHDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 288-7222 Dr. Boglarka Gyurkocza, M.D.Seattle, WA · No drug or device payments recorded (2025) ·
(206) 520-5000 Dr. Brenda SandmaierSeattle, WA · No drug or device payments recorded (2025) · Telehealth ·
(206) 288-1000 Dr. Brett Schroeder, MDSeattle, WA · No drug or device payments recorded (2025) · Telehealth ·
(206) 215-2658 Dr. Brie Chun, MDSeattle, WA · $656 in drug and device payments (2025) · Telehealth ·
(206) 520-5000 Dr. Cameron Turtle, MBBS, PHDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 228-1025 Dr. Camille Puronen, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 326-3000 Dr. Carl Blau, MDSeattle, WA · $314 in drug and device payments (2025) ·
(206) 598-4100 Dr. Carmen Julia De Ramon Ortiz, M.D.Seattle, WA · No drug or device payments recorded (2025) ·
(253) 391-4742 Dr. Catherine Lee, MDSeattle, WA · $57,409 in drug and device payments (2025) · Telehealth ·
(206) 520-5000 Dr. Celestia Higano, MDSeattle, WA · $36,775 in drug and device payments (2025) ·
(206) 972-7952 Dr. Chaitra Ujjani, MDSeattle, WA · $26,620 in drug and device payments (2025) · Telehealth ·
(206) 606-1955 Dr. Chepsy Cherian Philip, M.DSeattle, WA · No drug or device payments recorded (2025) ·
(206) 288-6956 Dr. Cherng-horng Wu, MDSeattle, WA · No drug or device payments recorded (2025) · Telehealth ·
(206) 520-5000 Dr. Cheryl Carlson, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 543-0065 Dr. Chipo Kwendakwema, M.D.Seattle, WA · $108 in drug and device payments (2025) · Telehealth ·
(206) 520-5000 Dr. Christopher Su, MDSeattle, WA · No drug or device payments recorded (2025) · Telehealth ·
(206) 520-5000 Dr. Claudia Astigarraga, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 288-1000 Dr. Colin Diong, M.D.Seattle, WA · $188 in drug and device payments (2025) ·
(206) 393-7670 Dr. Colin Godwin, M.D.Seattle, WA · No drug or device payments recorded (2025) ·
(206) 520-5700 Dr. Cristina Merkhofer, M.D., M.H.S.Seattle, WA · $24 in drug and device payments (2025) · Telehealth ·
(206) 667-5710 Conditions Hematology & Oncology providers in Washington 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 Washington?There are 474 Hematology & Oncology providers with active NPI records practicing in Washington, according to federal NPPES data refreshed monthly.
Do Hematology & Oncology providers in Washington offer telehealth?Yes. 228 of the 474 Hematology & Oncology providers in Washington (about 48%) report offering telehealth services in CMS data.
Which cities in Washington have the most Hematology & Oncology providers?Seattle (279), Tacoma (25), Spokane (24) have the highest concentration of Hematology & Oncology providers in Washington.
How many Hematology & Oncology providers in Washington received drug or device company payments?203 of 474 Hematology & Oncology providers in Washington (43%) 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 Washington 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 Washington work in independent practices or large health systems?Among 266 Hematologists and Oncologists in Washington enrolled in Medicare, 3% bill through a solo or small practice with fewer than 10 clinicians, 9% through a mid-size group of 10 to 99, and 88% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Hematologists and Oncologists in Washington work at?According to CMS facility affiliation records, the Washington hospitals where the most Hematologists and Oncologists hold privileges are University of Washington Medical Ctr in Seattle; Swedish Medical Center in Seattle; St Joseph Medical Center in Tacoma.
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