NPPES file of Aug 9, 2026

Thomas David Brown, M.D.

Medical Oncology Physician · Seattle, WA

Thomas David Brown, M.D. is a medical oncology physician with a practice address in Seattle, Washington, and NPI 1992880991, issued on Oct 26, 2006. Check the license (Washington MD60397462, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1992880991
Name
Thomas David Brown
Credential
M.D.
Primary taxonomy
Medical Oncology Physician 207RX0202X
License number
MD60397462 WA
Self-reported in NPPES; status is on the state search
Practice location
1221 Madison St FL 2, Seattle, WA 98104
Phone
(206) 386-2323
Enumerated
Oct 26, 2006
Record last updated
Jan 2, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(206) 215-6165
Medicaid ID
156367801 TX
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1221 Madison St FL 2

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Dawn Case, ARNPNurse Practitioner1639266000
  2. Siddhartha Devarakonda, MDMedical Oncology Physician1487932398
  3. Philip Gold, MDMedical Oncology Physician1265516983
  4. Ronan Hsieh, MDHematology & Oncology Physician1457880031
  5. Rafael Santana Davila, MDHematology & Oncology Physician1760595227
  6. Somasundaram Subramaniam, MDMedical Oncology Physician1972766111

Verify Thomas David Brown in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD60397462
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Washington license search

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Industry payments in 2024: $13.54

1 payment: food and beverage; the largest payer was Sun Pharmaceutical Industries Inc. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thomas Brown$14
  2. Specialty average$11,773

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Medical Oncology Physician providers in Washington

There are 183 medical oncology physician records in Washington.

Other medical oncology physician records in Washington

  1. Amr Abd-Al-Ghaffar, MDWenatchee, WA1114904323
  2. Alireza Abdolmohammadi, MDTacoma, WA1871816207
  3. Manoj Agarwal, MD, MBABurien, WA1700891900
  4. Vyshak Alva Venur, M.DSeattle, WA1003171976
  5. Richard Ancheta, M.D.Everett, WA1184924870
  6. Willard Andes, MDLongview, WA1639215932
  7. Mirela Andrei, M.D.Spokane, WA1578875225
  8. Frederick AppelbaumSeattle, WA1356426183
  9. Navanshu Arora, MDRenton, WA1053366237
  10. Anthony Back, MDSeattle, WA1932285731

Common questions

What is Thomas David Brown, M.D.'s NPI number?

Thomas David Brown, M.D.'s National Provider Identifier (NPI) is 1992880991, issued on Oct 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas David Brown, M.D. located?

The NPPES record lists a practice address at 1221 Madison St FL 2, Seattle, WA, 98104. Phone: (206) 386-2323. Providers update this record themselves, so call before visiting.

How can I verify Thomas David Brown, M.D.'s license?

NPPES lists Washington license number MD60397462, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.