NPPES file of Aug 9, 2026

Matthew C. Brennan, MD

Maternal & Fetal Medicine Physician · Albuquerque, NM

Matthew C. Brennan, MD is a maternal & fetal medicine physician with a practice address in Albuquerque, New Mexico, and NPI 1689661175, issued on Sep 30, 2005. Check the license (New Mexico 2002-0460, as entered in NPPES) on the New Mexico Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1689661175
Name
Matthew C. Brennan
Credential
MD
Primary taxonomy
Maternal & Fetal Medicine Physician 207VM0101X
License numbers
2002-0460 NM
AA5278 AK
Self-reported in NPPES; status is on the state search
Practice location
201 Cedar St SE, Albuquerque, NM 87106
Phone
(505) 764-9535
Enumerated
Sep 30, 2005
Record last updated
Jan 15, 2025
Fax
(505) 924-7336
Medicaid IDs
48805815 NM
MD5278 AK
Medicare enrollment
Enrolled (PECOS I20080118000348); accepts Medicare assignment
Medical or professional school
Medical College Of Wisconsin, 2000
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 201 Cedar St SE

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jon Aase, MDPediatrics Physician1790744316
  2. Douglas Allen, M.D.Sports Medicine (Orthopaedic Surgery) Physician1336175355
  3. Kristi Allen, SPCH PATHSpeech-Language Pathologist1073850236
  4. Francisco Ampuero, MDGynecologic Oncology Physician1437262151
  5. Michael Archibeck, M.D.Orthopaedic Surgery Physician1528046885
  6. Hector Arredondo, M.D.Surgery Physician1255411633

Verify Matthew C. Brennan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Mexico Medical Board
    Search for license 2002-0460
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New Mexico license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Perinatal Associates OF New Mexico LtdSanta Fe, NM

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Maternal & Fetal Medicine Physician providers in New Mexico

There are 27 maternal & fetal medicine physician records in New Mexico.

Other maternal & fetal medicine physician records in New Mexico

  1. Gary Aisenbrey, MDAlb, NM1609845320
  2. Kent Argubright, MDAlb, NM1497724116
  3. Jacquelyn Blackstone, DOAlbuquerque, NM1023168358
  4. Steffen BrownAlbuquerque, NM1982725396
  5. Conrad Chao, M.D.Albuquerque, NM1619900073
  6. Diana Clokey, LD, RPH, CDEAlbuquerque, NM1831104397
  7. Christopher Cox, MDAlbuquerque, NM1528564796
  8. Luis Curet, M.D.Albuquerque, NM1316037310
  9. Elaine Difederico, M.D.Albuquerque, NM1508072752
  10. Jose Gonzalez -Sanchez, M.D.Albuquerque, NM1942303417

Common questions

What is Matthew C. Brennan, MD's NPI number?

Matthew C. Brennan, MD's National Provider Identifier (NPI) is 1689661175, issued on Sep 30, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Matthew C. Brennan, MD located?

The NPPES record lists a practice address at 201 Cedar St SE, Albuquerque, NM, 87106. Phone: (505) 764-9535. Providers update this record themselves, so call before visiting.

How can I verify Matthew C. Brennan, MD's license?

NPPES lists New Mexico license number 2002-0460, 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. 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.