Thomas Ward Griffin
Radiation Oncology Physician · Seattle, WA
Thomas Ward Griffin is a radiation oncology physician with a practice address in Seattle, Washington, and NPI 1861794992, issued on Nov 22, 2010. Check the license (Washington MD00013507, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Thomas Ward Griffin
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- MD00013507 WA
Self-reported in NPPES; status is on the state search - Practice location
- 3620 E Prospect St, Seattle, WA 98112
- Phone
- (206) 322-6742
- Enumerated
- Nov 22, 2010
- Record last updated
- Nov 22, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (206) 322-6803
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 198 in Washington → Look up another NPI →
Verify Thomas Ward Griffin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00013507Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average radiation oncology physician in 2024
12 Medicare Part D claims, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Thomas Ward Griffin among 198 radiation oncology physician records in Washington
Thomas Ward Griffin is one of 198 radiation oncology physician records with a practice address in Washington. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 65% of them.
- NPI issued2010 · 65% of these records are older, 33% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2010 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Washington
There are 198 radiation oncology physician records in Washington.
All 198 in Washington → Every provider in Seattle → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Michael Burdick, MDSeattle, WA 981121992974083
- Alvin Cabrera, M.D.Seattle, WA 981121043407414
- Christopher Canning, M.D.Seattle, WA 981121558318998
- Paul Herstein, M.D.Seattle, WA 981121740338052
- Tracy Sherertz, M.D.Seattle, WA 981121265661839
- Kathi White, ARNPSeattle, WA 981121487705380
- Jonathan Chen, M.D., PH.D.Seattle, WA 981091023429388
- Shannon Fogh, M.D.Seattle, WA 981091265614838
Common questions
What is Thomas Ward Griffin's NPI number?
Thomas Ward Griffin's National Provider Identifier (NPI) is 1861794992, issued on Nov 22, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Ward Griffin located?
The NPPES record lists a practice address at 3620 E Prospect St, Seattle, WA, 98112. Phone: (206) 322-6742. Providers update this record themselves, so call before visiting.
How can I verify Thomas Ward Griffin's license?
NPPES lists Washington license number MD00013507, 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.
How much does Thomas Ward Griffin prescribe under Medicare Part D?
In 2024, Thomas Ward Griffin had 12 Medicare Part D claims; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
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.