Colleen Flanagan, CRNP
NPI 1275356529 · Gerontology Nurse Practitioner · Baltimore, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Colleen Flanagan, CRNP is a Gerontology Nurse Practitioner provider in Baltimore, MD (NPI 1275356529).
Provider details
- NPI number
- 1275356529
- Entity type
- Individual
- Primary specialty
- Gerontology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- R100678 (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
1 yr 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.
Mailing address
Registry dates
- Enumerated
- 2024-11-05
- Last updated
- 2024-11-05
- Certified
- 2024-11-03
Frequently asked questions
- What is Colleen Flanagan's NPI number?
- Colleen Flanagan's National Provider Identifier (NPI) is 1275356529, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Colleen Flanagan's specialty?
- Colleen Flanagan is listed in the NPPES registry with a primary specialty of Gerontology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Colleen Flanagan located?
- Colleen Flanagan's practice location on file with NPPES is 22 S. Green St., Baltimore, MD 21021-2104.
- What is Colleen Flanagan's phone number?
- The practice phone number listed in the NPPES registry for Colleen Flanagan is (443) 928-0075.
- Does Colleen Flanagan accept Medicare?
- Colleen Flanagan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Colleen Flanagan's NPI active?
- Yes — Colleen Flanagan's NPI (1275356529) is active in the NPPES registry as of the last update on 2024-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.