Matthew Brennan, MD
NPI 1689661175 · Maternal & Fetal Medicine Physician · Albuquerque, NM
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Brennan, MD is a Maternal & Fetal Medicine Physician provider in Albuquerque, NM (NPI 1689661175).
Provider details
- NPI number
- 1689661175
- Entity type
- Individual
- Primary specialty
- Maternal & Fetal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- AA5278 (AK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
21 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-30
- Last updated
- 2025-01-15
- Certified
- 2025-01-15
Frequently asked questions
- What is Matthew Brennan's NPI number?
- Matthew Brennan's National Provider Identifier (NPI) is 1689661175, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Brennan's specialty?
- Matthew Brennan is listed in the NPPES registry with a primary specialty of Maternal & Fetal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Brennan located?
- Matthew Brennan's practice location on file with NPPES is 201 Cedar St Se, Albuquerque, NM 87106-4917.
- What is Matthew Brennan's phone number?
- The practice phone number listed in the NPPES registry for Matthew Brennan is (505) 764-9535.
- Does Matthew Brennan accept Medicare?
- Matthew Brennan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Brennan's NPI active?
- Yes — Matthew Brennan's NPI (1689661175) is active in the NPPES registry as of the last update on 2025-01-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.