Michael Brennan, MD
NPI 1679521140 · Pediatric Endocrinology Physician · Greensboro, NC
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Brennan, MD is a Pediatric Endocrinology Physician provider in Greensboro, NC (NPI 1679521140).
Provider details
- NPI number
- 1679521140
- Entity type
- Individual
- Primary specialty
- Pediatric Endocrinology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 9901379 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-05-05
- Last updated
- 2022-09-27
- Certified
- 2022-09-27
Frequently asked questions
- What is Michael Brennan's NPI number?
- Michael Brennan's National Provider Identifier (NPI) is 1679521140, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Brennan's specialty?
- Michael Brennan is listed in the NPPES registry with a primary specialty of Pediatric Endocrinology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Brennan located?
- Michael Brennan's practice location on file with NPPES is 301 E Wendover Ave, Greensboro, NC 27401-1230.
- What is Michael Brennan's phone number?
- The practice phone number listed in the NPPES registry for Michael Brennan is (336) 272-6161.
- Does Michael Brennan accept Medicare?
- Michael Brennan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Brennan's NPI active?
- Yes — Michael Brennan's NPI (1679521140) is active in the NPPES registry as of the last update on 2022-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.