Tim P. Mate, M.D.
Radiation Oncology Physician · Seattle, WA
Tim P. Mate, M.D. is a radiation oncology physician with a practice address in Seattle, Washington, and NPI 1699798439, issued on Jul 25, 2006. Check the license (Washington MD00017049, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Tim P. Mate
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- MD00017049 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1221 Madison St, Seattle, WA 98104
- Phone
- (206) 386-2198
- Enumerated
- Jul 25, 2006
- Record last updated
- Mar 8, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (206) 386-3888
- Medicaid ID
- 1018662 WA
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 198 in Washington → Look up another NPI →
Also registered at 1221 Madison St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Richard Bensinger, M.D.Ophthalmology Physician1184666844
- Dale Bloomquist, DDSOral and Maxillofacial Surgery (Dentist)1740348705
- Martha Clay, ARNPAdult Health Nurse Practitioner1073697793
Verify Tim P. Mate in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00017049Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average radiation oncology physician in 2024
23 Medicare Part D claims, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
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.
Tim P. Mate among 198 radiation oncology physician records in Washington
Tim P. Mate, M.D. 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 52% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2016 · 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
- Todd Barnett, M.D.Seattle, WA 981041629091483
- John Blasko, M.D.Seattle, WA 981041194748715
- Steve Eulau, M.D.Seattle, WA 981041346263183
- Christopher Loiselle, M.D.Seattle, WA 981041225259187
- Vivek Mehta, M.D.Seattle, WA 981041417970252
- Astrid Morris, M.D.Seattle, WA 981041194739755
- Reith Sarkar, MDSeattle, WA 981041679034060
- Jacob Trotter, MDSeattle, WA 981041528528965
Common questions
What is Tim P. Mate, M.D.'s NPI number?
Tim P. Mate, M.D.'s National Provider Identifier (NPI) is 1699798439, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tim P. Mate, M.D. located?
The NPPES record lists a practice address at 1221 Madison St, Seattle, WA, 98104. Phone: (206) 386-2198. Providers update this record themselves, so call before visiting.
How can I verify Tim P. Mate, M.D.'s license?
NPPES lists Washington license number MD00017049, 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 Tim P. Mate, M.D. prescribe under Medicare Part D?
In 2024, Tim P. Mate, M.D. had 23 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.