David Fay Mar, M.D.
Family Medicine Physician · Seattle, WA
David Fay Mar, M.D. is a family medicine physician with a practice address in Seattle, Washington, and NPI 1386688901, issued on Jun 15, 2006. Check the license (Washington MD00039793, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- David Fay Mar
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD00039793 WA
Self-reported in NPPES; status is on the state search - Practice location
- 11011 Meridian Ave N, Seattle, WA 98133
- Phone
- (206) 525-5777
- Enumerated
- Jun 15, 2006
- Record last updated
- Mar 24, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 8282378 WA
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Also registered at 11011 Meridian Ave N
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David Fay Mar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00039793Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average family medicine physician in 2024
1,803 Medicare Part D claims for 282 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 59 claims were for opioids.
Most prescribed
- Atorvastatin Calcium114 claims
- Lisinopril84 claims
- Amlodipine Besylate67 claims
- Omeprazole67 claims
- Eliquis63 claims
- Levothyroxine Sodium61 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.
David Fay Mar among 5,534 family medicine physician records in Washington
David Fay Mar, M.D. is one of 5,534 family medicine physician records with a practice address in Washington. 73% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 58% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2008 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
871 family medicine physician records list a practice address in Seattle
They are 871 of the 41,956 NPPES records with a practice address in Seattle, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Seattle → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Seth Bagan, MDShoreline, WA 981331245206200
- Linda Clark, M.D.Seattle, WA 981331508894858
- James Coghlan, MDSeattle, WA 981331922003896
- Vanessa Edrich, M.D.Seattle, WA 981331821033135
- Suzanne Evans, M.D.Shoreline, WA 981331649225301
- Jennifer Griffiths, MDSeattle, WA 981331720039548
- Alice Inouye, M.D.Shoreline, WA 981331831152065
- Kristen Johnson, M.D.Seattle, WA 981331518986413
Common questions
What is David Fay Mar, M.D.'s NPI number?
David Fay Mar, M.D.'s National Provider Identifier (NPI) is 1386688901, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Fay Mar, M.D. located?
The NPPES record lists a practice address at 11011 Meridian Ave N, Seattle, WA, 98133. Phone: (206) 525-5777. Providers update this record themselves, so call before visiting.
How can I verify David Fay Mar, M.D.'s license?
NPPES lists Washington license number MD00039793, 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 David Fay Mar, M.D. prescribe under Medicare Part D?
In 2024, David Fay Mar, M.D. had 1,803 Medicare Part D claims for 282 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.