John Matthew Fay, MD
Family Medicine Physician · Los Alamos, NM
John Matthew Fay, MD is a family medicine physician with a practice address in Los Alamos, New Mexico, and NPI 1104888783, issued on Apr 6, 2006. Check the license (New Mexico MD20060672, as entered in NPPES) on the New Mexico Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Matthew Fay
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- MD20060672 NM
DR44193 CO
Self-reported in NPPES; status is on the state search - Practice location
- 3917 West Road, Los Alamos, NM 87544
- Phone
- (505) 661-8900
- Enumerated
- Apr 6, 2006
- Record last updated
- Jan 17, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (505) 661-8916
- Medicaid ID
- 53123877 NM
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,287 in New Mexico → Look up another NPI →
Also registered at 3917 West Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Miguel Dozier, MDInternal Medicine Physician1194817155
- Lori Fay, DOFamily Medicine Physician1376505958
- Marvel Harrison, PHDMental Health Counselor1992003412
- Fredrica Smith, MDRheumatology Physician1780663369
Verify John Matthew Fay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Mexico Medical Board
Search for license MD20060672Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Matthew Fay among 1,287 family medicine physician records in New Mexico
John Matthew Fay, MD is one of 1,287 family medicine physician records with a practice address in New Mexico. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 51% newer
- In a Medicare fileNo · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 56% of these records are
- Record last updated2012 · 59% 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 New Mexico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 family medicine physician records list a practice address in Los Alamos
They are 14 of the 324 NPPES records with a practice address in Los Alamos, and 1,287 family medicine physician records in New Mexico. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,287 in New Mexico → Every provider in Los Alamos → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ross Bridge, MDLos Alamos, NM 875441902839483
- Robert Carbone, M.D.Los Alamos, NM 875441548427453
- Michelle Carr, MDLos Alamos, NM 875441568411916
- Paul Daly, MDLos Alamos, NM 875441770547515
- Lori Fay, DOLos Alamos, NM 875441376505958
- Charlotte Hunter, MDLos Alamos, NM 875441104920289
- Christopher LeeLos Alamos, NM 875441861954000
- Patrick Martin, MDLos Alamos, NM 875441457346793
Common questions
What is John Matthew Fay, MD's NPI number?
John Matthew Fay, MD's National Provider Identifier (NPI) is 1104888783, issued on Apr 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Matthew Fay, MD located?
The NPPES record lists a practice address at 3917 West Road, Los Alamos, NM, 87544. Phone: (505) 661-8900. Providers update this record themselves, so call before visiting.
How can I verify John Matthew Fay, MD's license?
NPPES lists New Mexico license number MD20060672, as entered by the provider. Search the New Mexico Medical Board at https://www.nmmb.state.nm.us/. 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. 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.