Nancyellen Brennan, C.R.N.P.
NPI 1164473278 · Family Nurse Practitioner · Baltimore, MD
Nancyellen Brennan, C.R.N.P. is a Family Nurse Practitioner provider in Baltimore, MD (NPI 1164473278).
Provider details
- NPI number
- 1164473278
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- C.R.N.P.
- Sex
- Female
- License
- R076503 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
- 2006-05-13
- Last updated
- 2007-07-08
Frequently asked questions
- What is Nancyellen Brennan's NPI number?
- Nancyellen Brennan's National Provider Identifier (NPI) is 1164473278, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancyellen Brennan's specialty?
- Nancyellen Brennan is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nancyellen Brennan located?
- Nancyellen Brennan's practice location on file with NPPES is 601 N Caroline St, Baltimore, MD 21287-0006.
- What is Nancyellen Brennan's phone number?
- The practice phone number listed in the NPPES registry for Nancyellen Brennan is (410) 955-7139.
- Is Nancyellen Brennan's NPI active?
- Yes — Nancyellen Brennan's NPI (1164473278) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.