Nancyellen Brennan, C.R.N.P.
Family Nurse Practitioner · Baltimore, MD
Nancyellen Brennan, C.R.N.P. is a family nurse practitioner with a practice address in Baltimore, Maryland, and NPI 1164473278, issued on May 13, 2006. Check the license (Maryland R076503, as entered in NPPES) with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Nancyellen Brennan
- Credential
- C.R.N.P.
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- R076503 MD
Self-reported in NPPES; status is on the state search - Practice location
- 601 N Caroline St, Baltimore, MD 21287
- Phone
- (410) 955-7139
- Enumerated
- May 13, 2006
- Record last updated
- Jul 13, 2026
- Entity
- Type 1 · individual
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Verify Nancyellen Brennan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R076503Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Nancyellen Brennan among 4,124 family nurse practitioner records in Maryland
Nancyellen Brennan, C.R.N.P. is one of 4,124 family nurse practitioner records with a practice address in Maryland. 74% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 93% newer
- In a Medicare fileNo · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2026 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
712 family nurse practitioner records list a practice address in Baltimore
They are 712 of the 35,183 NPPES records with a practice address in Baltimore, and 4,124 family nurse practitioner records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 4,124 in Maryland → Every provider in Baltimore → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Lauren BoyerBaltimore, MD 212871285043422
- Erika Dare, CRNPBaltimore, MD 212871427399765
- Carlene Edwards, FNPBaltimore, MD 212871104063262
- Caroline ElangweBaltimore, MD 212871134498033
- Heather GausepohlBaltimore, MD 212871639509144
- Kathleen GriffithBaltimore, MD 212871154509545
- Brenda Johnson, NURSE PRACTITIONERBaltimore, MD 212871144555772
- Vanessa McFeeley, CRNPBaltimore, MD 212871053526822
Common questions
What is Nancyellen Brennan, C.R.N.P.'s NPI number?
Nancyellen Brennan, C.R.N.P.'s National Provider Identifier (NPI) is 1164473278, issued on May 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nancyellen Brennan, C.R.N.P. located?
The NPPES record lists a practice address at 601 N Caroline St, Baltimore, MD, 21287. Phone: (410) 955-7139. Providers update this record themselves, so call before visiting.
How can I verify Nancyellen Brennan, C.R.N.P.'s license?
NPPES lists Maryland license number R076503, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
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.