Mayan Bomsztyk, M.D.
Internal Medicine Physician · Seattle, WA
Mayan Bomsztyk, M.D. is an internal medicine physician with a practice address in Seattle, Washington, and NPI 1235368812, issued on Jul 5, 2009. Check the license (Washington ML60093384, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Mayan Bomsztyk
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- ML60093384 WA
Self-reported in NPPES; status is on the state search - Practice location
- UW Internal Medicine Residency, Seattle, WA 98195
- Phone
- (206) 543-3605
- Enumerated
- Jul 5, 2009
- Record last updated
- Jul 5, 2009 (not updated in 17 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Verify Mayan Bomsztyk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license ML60093384Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
13 Medicare Part D claims, against an average of 3,176 among the 108,855 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.
Mayan Bomsztyk among 3,079 internal medicine physician records in Washington
Mayan Bomsztyk, M.D. is one of 3,079 internal medicine physician records with a practice address in Washington. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 58% of them.
- NPI issued2009 · 58% of these records are older, 38% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2009 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
821 internal medicine physician records list a practice address in Seattle
They are 821 of the 41,956 NPPES records with a practice address in Seattle, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Seattle → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Julia Becke, MDSeattle, WA 981951306858451
- Hardeep Bhugra, MBBCHSeattle, WA 981951215940788
- Davonna Cufley, M.D.Seattle, WA 981951871582734
- Annie Fang, MDSeattle, WA 981951679572168
- Rebecca Gettelman, MDSeattle, WA 981951750491262
- Brian Goldstein, MDSeattle, WA 981951902821275
- Daniel Leung, MDSeattle, WA 981951104936731
- Xi Li, M.D.Seattle, WA 981951891737631
Common questions
What is Mayan Bomsztyk, M.D.'s NPI number?
Mayan Bomsztyk, M.D.'s National Provider Identifier (NPI) is 1235368812, issued on Jul 5, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Mayan Bomsztyk, M.D. located?
The NPPES record lists a practice address at UW Internal Medicine Residency, Seattle, WA, 98195. Phone: (206) 543-3605. Providers update this record themselves, so call before visiting.
How can I verify Mayan Bomsztyk, M.D.'s license?
NPPES lists Washington license number ML60093384, 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 Mayan Bomsztyk, M.D. prescribe under Medicare Part D?
In 2024, Mayan Bomsztyk, M.D. had 13 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.