Oncologists in Washington
Data updated monthly · Last refresh October 2026
183 Medical Oncology providers practice in Washington, including 76 (42%) 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.
183providers
76telehealth
Seattletop city
Medical Oncology by city in Washington
Choose a city to see providers there.
Where Oncologists in Washington practice
From CMS Medicare enrollment records covering 99 of the 183 providers listed here (54%). Providers who do not bill Medicare are not included in these figures.
3%solo or small practice (under 10 clinicians)
7%mid-size group (10 to 99)
90%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Oncologists | All clinicians in group | Main city |
| The Association of University Physicians | 39 | 3,484 | Seattle |
| Swedish Health Services | 12 | 1,038 | Seattle |
| Multicare Health System | 8 | 2,312 | Tacoma |
| Cancer Care Northwest Centers P S | 5 | 40 | Spokane |
| Kaiser Foundation Health Plan of Washington | 4 | 1,519 | Olympia |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Oncologists affiliated |
| University of Washington Medical Ctr | Seattle | Government | 4 of 5 | 28 |
| Swedish Medical Center | Seattle | Nonprofit | 4 of 5 | 14 |
| Tacoma General Allenmore Hospital | Tacoma | Nonprofit | 2 of 5 | 13 |
| Swedish Edmonds Hospital | Edmonds | Nonprofit | 3 of 5 | 9 |
| Olympic Medical Center | Port Angeles | Government | 3 of 5 | 7 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Medical 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. Xinsheng Liao, MD PHDBellevue, WA · $132 in drug and device payments (2025) ·
(425) 643-9602 Dr. Brahma Konda, MDBellingham, WA · No drug or device payments recorded (2025) ·
(360) 788-8222 Dr. Drew MurrayBellingham, WA · $165 in drug and device payments (2025) · Telehealth ·
(360) 788-8222 Dr. Mervat Saleh, MDBellingham, WA · $80 in drug and device payments (2025) · Telehealth ·
(360) 788-8222 Dr. Peter Reissmann, M.DBellingham, WA · No drug or device payments recorded (2025) ·
(360) 788-8222 Dr. William Rubin, M.D.Bellingham, WA · $143 in drug and device payments (2025) ·
(360) 788-8222 Dr. Jay Umbreit, M.D, PH. D.Bothell, WA · No drug or device payments recorded (2025) ·
(425) 949-7217 Dr. Megan O'meara, MDBothell, WA · No drug or device payments recorded (2025) ·
(425) 527-4000 Dr. Manoj Agarwal, MD, MBABurien, WA · $162 in drug and device payments (2025) · Telehealth ·
(206) 439-5577 Dr. William Hammond, MDBurien, WA · No drug or device payments recorded (2025) ·
(206) 439-5577 Dr. Georgia Edwards, M.D.Clinton, WA · No drug or device payments recorded (2025) ·
(360) 579-1030 Dr. Deepjot Singh, MDCoupeville, WA · No drug or device payments recorded (2025) ·
(360) 678-7624 Dr. Kelly Paulson, MD, PHDEdmonds, WA · $14 in drug and device payments (2025) · Telehealth ·
(425) 775-1677 Dr. Perrin Romine, MDEdmonds, WA · $1,005 in drug and device payments (2025) · Telehealth ·
(425) 673-8300 Dr. Elie Saikaly, MDEverett, WA · No drug or device payments recorded (2025) ·
(425) 297-5500 Dr. Richard Ancheta, M.D.Everett, WA · No drug or device payments recorded (2025) · Telehealth ·
(425) 297-5500 Dr. Yoshio Inoue, M.D.Everett, WA · $23 in drug and device payments (2025) · Telehealth ·
(425) 297-5571 Dr. Stanlee Lu, M.D.Fife, WA · $1,768 in drug and device payments (2025) · Telehealth ·
(253) 382-6300 Dr. David Dong, M.D.Issaquah, WA · No drug or device payments recorded (2025) ·
(425) 313-4200 Dr. Nancy Sharma, MDIssaquah, WA · No drug or device payments recorded (2025) ·
(425) 313-4200 Dr. Tanya Wahl, M.D.Issaquah, WA · $20 in drug and device payments (2025) · Telehealth ·
(425) 313-4200 Dr. Jasmine Daniels, MDJoint Base Lewis Mcchord, WA · No drug or device payments recorded (2025) ·
(253) 968-2504 Dr. Basir Haque, MDKennewick, WA · No drug or device payments recorded (2025) · Telehealth ·
(509) 783-0144 Dr. Rangaswamy Chintapatla, M.DKennewick, WA · $4,505 in drug and device payments (2025) · Telehealth ·
(509) 783-0144 Dr. Brian Goodell, M.D.Kent, WA · No drug or device payments recorded (2025) ·
(253) 631-6154 Dr. Eric Dean, M.D.Kirkland, WA · No drug or device payments recorded (2025) · Telehealth ·
(425) 899-3181 Dr. Brady Miller, MDLacey, WA · $36 in drug and device payments (2025) · Telehealth ·
(360) 754-3934 Dr. James Lechner, MDLacey, WA · No drug or device payments recorded (2025) ·
(360) 754-3934 Dr. Mijung Lee, MDLacey, WA · $136 in drug and device payments (2025) · Telehealth ·
(360) 754-3934 Dr. Xingwei Sui, MDLacey, WA · $126 in drug and device payments (2025) · Telehealth ·
(360) 754-3934 Dr. William Bensinger, MDLakewood, WA · $42,990 in drug and device payments (2025) ·
(253) 533-6700 Dr. Guangquan Zhao, MDLongview, WA · $442 in drug and device payments (2025) ·
(360) 414-7878 Dr. Helen Goldberg, MDLongview, WA · No drug or device payments recorded (2025) ·
(360) 414-7878 Dr. Jonathan Polikoff, MDLongview, WA · $753 in drug and device payments (2025) ·
(360) 414-7878 Dr. Willard Andes, MDLongview, WA · No drug or device payments recorded (2025) ·
(360) 414-7878 Dr. Zafer Yildirim, MD,PHDLongview, WA · No drug or device payments recorded (2025) ·
(360) 414-7878 Dr. Bruce Mathey, MDMount Vernon, WA · $260 in drug and device payments (2025) · Telehealth ·
(360) 428-2146 Dr. Kiarash Kojouri, M.D.Mount Vernon, WA · $1,755 in drug and device payments (2025) · Telehealth ·
(360) 814-2146 Dr. Ahmad Fora, MDOlympia, WA · $5,457 in drug and device payments (2025) ·
(360) 413-8880 Dr. Joseph Ye, MD, PHDOlympia, WA · $13,636 in drug and device payments (2025) ·
(360) 352-2900 Dr. Mandy Robertson, MDOlympia, WA · $392 in drug and device payments (2025) · Telehealth ·
(360) 923-7000 Dr. Jason Suh, MDPort Townsend, WA · $100 in drug and device payments (2025) ·
(360) 344-3091 Dr. Sabrina Prime, MDPort Townsend, WA · No drug or device payments recorded (2025) ·
(360) 385-2200 Dr. Dennis Willerford, M.D.Poulsbo, WA · No drug or device payments recorded (2025) ·
(360) 598-7500 Dr. Toni Roberts, MD, PHDPoulsbo, WA · No drug or device payments recorded (2025) ·
(360) 598-7500 Dr. Navanshu Arora, MDRenton, WA · $308 in drug and device payments (2025) · Telehealth ·
(425) 690-3409 Dr. Adam Greenbaum, MDSeattle, WA · No drug or device payments recorded (2025) ·
(206) 277-4757 Common questions
How many Medical Oncology providers are in Washington?There are 183 Medical Oncology providers with active NPI records practicing in Washington, according to federal NPPES data refreshed monthly.
Do Medical Oncology providers in Washington offer telehealth?Yes. 76 of the 183 Medical Oncology providers in Washington (about 42%) report offering telehealth services in CMS data.
Which cities in Washington have the most Medical Oncology providers?Seattle (94), Tacoma (9), Spokane (8) have the highest concentration of Medical Oncology providers in Washington.
How many Medical Oncology providers in Washington received drug or device company payments?91 of 183 Medical Oncology providers in Washington (50%) 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 Oncologists in Washington work in independent practices or large health systems?Among 99 Oncologists in Washington enrolled in Medicare, 3% bill through a solo or small practice with fewer than 10 clinicians, 7% through a mid-size group of 10 to 99, and 90% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Oncologists in Washington work at?According to CMS facility affiliation records, the Washington hospitals where the most 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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