Hematology & Oncology in Washington
604 licensed hematologist-oncologists practicing in Washington across 94 cities.
This page republishes public records from the federal NPI Registry, which every licensed U.S. healthcare provider is required to maintain. These are federal-agency records, not a directory we compile.
Source: NPI Registry · last checked
Filter by city
Click a city to filter the 50 providers shown below. Washington has providers in 94 cities total — search the full NPI Registry for cities not shown here.
NPI Registry records — Hematology & Oncology in Washington
28 of 50 shown have disclosed payments in CMS Open Payments (2024)
Showing 50 of 604 federal NPI records, alphabetical by last name. Contact details come directly from the NPI Registry — verify currency with the provider's office. Pharma / device payment disclosures from CMS Open Payments are shown where the physician appears in that federal database.
In 2024, $20 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($20).
Largest single payer: Myriad Genetic Laboratories, Inc. ($20).
Janis L Abkowitz
Seattle Cancer Care Alliance, 825 Eastlake Avenue East
Seattle, WA 98109 · (206) 288-1012
License: MD00018607 (WA)
In 2024, $2,865 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly charitable contributions ($2,865).
Largest single payer: E.R. Squibb & Sons, L.L.C. ($2,865).
In 2023, $85 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly gifts ($85).
Oyebimpe Oluyemisi Adesina, MD
825 Eastlake Ave E, G3200
Seattle, WA 98109 · (206) 606-1621
License: MD60713258 (WA)
In 2024, $679 was disclosed to this physician across 3 transactions by pharmaceutical or medical-device companies.
Mostly charitable contributions ($525) and entertainment ($154).
Largest single payer: AstraZeneca Pharmaceuticals LP ($525).
In 2024, $38 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($38).
Largest single payer: Jazz Pharmaceuticals Inc. ($38).
In 2023, $124 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($124).
Sharmila Ahmed, MD
1101 Madison St, Suite 301
Seattle, WA 98104 · (206) 505-1101
License: MD072057L (PA)
In 2024, $525 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly charitable contributions ($525).
Largest single payer: AstraZeneca Pharmaceuticals LP ($525).
In 2024, $150 was disclosed to this physician across 3 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($150).
Largest single payer: Tempus AI, Inc ($150).
In 2024, $45 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($45).
Largest single payer: NOVARTIS PHARMACEUTICALS CORPORATION ($45).
Hani Hassan Alhashmi, MD
825 Eastlake Ave E
Seattle, WA 98109 · (206) 849-4694
License: FE60196270 (WA)
Aisha Ahmad Alkhinji, MD
825 Eastlake Ave E
Seattle, WA 98109 · (206) 790-0540
License: FE60202190 (WA)
Ashley Elizabeth Aller, MD
201 16th Ave E
Seattle, WA 98112 · (206) 326-3000
License: MD6154597 (WA)
Cynthia Barbara Aller, DO, PHD
4525 3rd Ave Se, Ste 200
Lacey, WA 98503 · (360) 754-3934
License: OP60446166 (WA)
Ahmed Alshaban
1990 Hospital Dr Ste 100
Sedro Woolley, WA 98284 · (360) 856-8800
License: MD61460436 (WA)
In 2023, $202 was disclosed to this physician across 10 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($202).
Vyshak Alva Venur, MD
825 Eastlake Ave E
Seattle, WA 98109 · (206) 520-5700
License: MD60960073 (WA)
Josiah An, MD
3333 Silas Creek Pkwy
Winston Salem, NC 27103 · (336) 277-8800
License: 2021-01298 (NC)
In 2024, $100 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly gifts ($100).
Largest single payer: AVEO Pharmaceuticals, Inc. ($100).
Niels Smedegaard Andersen
825 Eastlake Ave E
Seattle, WA 98109 · (206) 288-6956
License: FE60122569 (WA)
In 2023, $27 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($27).
Stephen Patrick Anthony, DO
309 E Farwell Rd, Suite 100
Spokane, WA 99218 · (509) 464-2873
License: OP00001601 (WA)
In 2024, $261 was disclosed to this physician across 11 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($261).
Largest single payer: AstraZeneca Pharmaceuticals LP ($61).
Jacob Stuart Appelbaum, MD/PHD
825 Eastlake Ave E
Seattle, WA 98109 · (206) 288-1000
License: MD06055819 (WA)
In 2024, $4,204 was disclosed to this physician across 3 transactions by pharmaceutical or medical-device companies.
Mostly charitable contributions ($4,110) and gifts ($69).
Largest single payer: Incyte Corporation ($4,110).
Navanshu Arora, MD
3915 Talbot Rd S, Ste 300
Renton, WA 98055 · (425) 690-3409
License: MD60478064 (WA)
In 2024, $1,012 was disclosed to this physician across 5 transactions by pharmaceutical or medical-device companies.
Mostly charitable contributions ($968) and entertainment ($44).
Largest single payer: Janssen Scientific Affairs, LLC ($818).
Claudia Caceres Astigarraga, MD
825 Eastlake Ave E
Seattle, WA 98109 · (206) 288-1000
License: TR60004272 (WA)
Christina Seung Baik, MD
825 Eastlake Ave E
Seattle, WA 98109 · (206) 543-6420
License: MD60220394 (WA)
In 2024, $24,869 was disclosed to this physician across 12 transactions by pharmaceutical or medical-device companies.
Mostly charitable contributions ($20,900) and consulting fees ($3,700).
Largest single payer: Pfizer Inc. ($5,634).
Thomas M Baker, MD
11311 Bridgeport Way Sw, Suite 304
Lakewood, WA 98499 · (253) 983-1977
License: MD00019694 (WA)
Konstantinos Geo Balotis, MD
825 Eastlake Ave E
Seattle, WA 98109 · (206) 288-6956
License: FE60147681 (WA)
In 2024, $13,947 was disclosed to this physician across 7 transactions by pharmaceutical or medical-device companies.
Mostly charitable contributions ($12,490) and meals and beverages ($1,094).
Largest single payer: Daiichi Sankyo Inc. ($11,051).
In 2024, $35,823 was disclosed to this physician across 37 transactions by pharmaceutical or medical-device companies.
$2,653 was research funding (clinical-trial work); the remainder was charitable contributions ($31,411) and entertainment ($1,009).
Largest single payer: Janssen Global Services, LLC ($8,627).
Stephen Barman, MD
1204 N Vercler Rd
Spokane Valley, WA 99216 · (509) 228-1000
License: MD60942201 (WA)
In 2023, $52 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($52).
In 2024, $153 was disclosed to this physician across 6 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($153).
Largest single payer: Janssen Biotech, Inc. ($55).
Atis Barzdins, MD
1101 Madison St Ste 301
Seattle, WA 98104 · (206) 505-1300
License: MD60197472 (WA)
In 2023, $161 was disclosed to this physician across 3 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($140) and gifts ($21).
Antonio Bedalov, MD
1101 Madison St, Suite 301
Seattle, WA 98104 · (206) 505-1101
License: MD00033620 (WA)
Anuradha Avinash Belur, MD
121 N Division St
Auburn, WA 98001 · (253) 876-8200
License: MD60530777 (WA)
In 2024, $75 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly gifts ($75).
Largest single payer: Janssen Biotech, Inc. ($75).
William Ira Bensinger, MD
11311 Bridgeport Way Sw Ste 302
Lakewood, WA 98499 · (253) 533-6700
License: MD00015198 (WA)
In 2024, $238,917 was disclosed to this physician across 161 transactions by pharmaceutical or medical-device companies.
Mostly consulting fees ($207,750) and meals and beverages ($22,821).
Largest single payer: Pfizer Inc. ($90,055).
Rui Filipe Cordeiro Bergantim, MD
825 Eastlake Ave E
Seattle, WA 98109 · (206) 228-6956
License: FE60234718 (WA)
In 2024, $74 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($74).
Largest single payer: Gilead Sciences, Inc. ($74).
In 2024, $5,341 was disclosed to this physician across 7 transactions by pharmaceutical or medical-device companies.
Mostly charitable contributions ($4,630) and meals and beverages ($611).
Largest single payer: Kite Pharma, Inc. ($5,341).
Tristan Chawn Bice, MD
210 Se 136th Ave
Vancouver, WA 98684 · (360) 944-9889
License: MD61271493 (WA)
In 2024, $764 was disclosed to this physician across 10 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($386) and gifts ($378).
Largest single payer: Astellas Pharma US Inc ($200).
Melinda Ann Biernacki, MD
825 Eastlake Ave E
Seattle, WA 98109 · (206) 520-5000
License: MD60369009 (WA)
Robert Davisson Bigler, MD
505 Ne 87th Ave Ste 320
Vancouver, WA 98664 · (360) 514-2550
License: MD00035867 (WA)
In 2024, $467 was disclosed to this physician across 27 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($467).
Largest single payer: Abbott Laboratories ($467).
George Birchfield, MD
1560 N 115th St, G - 16
Seattle, WA 98133 · (206) 365-8252
License: MD00028313 (WA)
Carl Anthony Blau, MD
University of Washington Medical Ctr, 1959 Ne Pacific St
Seattle, WA 98195 · (206) 598-4100
License: MD00026522 (WA)
In 2023, $8,967 was disclosed to this physician across 12 transactions by pharmaceutical or medical-device companies.
Mostly charitable contributions ($7,030) and meals and beverages ($1,734).
Showing 50 of 604. Search all on NPI Registry →
Payment totals shown for the latest published program year (2024). Presence of disclosed payments is not, on its own, a conflict of interest. Physicians dispute records directly with CMS (dispute process). How we show this.
Open Payments figures as displayed on . Corrections flow from the manufacturer through CMS and are adopted on our next refresh.
What this page is: a republication of public federal NPI Registry records, filtered to the hematology & oncology taxonomy. It is not a directory we curate, and inclusion is automatic based on each provider's own NPI filing with CMS. Providers who believe their NPI record is inaccurate should update it directly with CMS at npiregistry.cms.hhs.gov; our next refresh adopts the corrected federal record.
Practice info disclaimer: Provider addresses and phone numbers come from the NPI Registry, which providers update at their discretion. Always call ahead to confirm the provider is currently accepting patients and is at the listed address.
Medical disclaimer: This page is not a quality ranking and does not constitute medical advice or endorsement. Choose a provider in consultation with your primary care physician or care team.
Source: NPI Registry (taxonomy: Hematology & Oncology) · Last checked: 2026-04-20