COLLEEN FLANAGAN CRNP
NPI 1275356529
Nurse Practitioner - Gerontology in Baltimore, MD
About Colleen Flanagan Crnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
COLLEEN FLANAGAN CRNP (NPI 1275356529) is an individual gerontology provider in Baltimore, Maryland, licensed in Maryland (R100678) and active in the NPI registry since November 2024. She is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Howard County Medical Center, and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Colleen Flanagan Crnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Colleen Flanagan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21204
- Reassigned Medicare billing, Maryland and District of Columbia enrollments
- Also billed through NPI 1588412241 (District of Columbia)
- 75 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Johns Hopkins Howard County Medical Center
Acute Care Hospitals · Columbia, MDFrequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Colleen Flanagan's NPI number?
The NPI number for Colleen Flanagan is 1275356529. It was assigned to this individual provider in the NPPES registry on November 5, 2024.
Where is Colleen Flanagan located?
Colleen Flanagan practices at 22 S. Green St., Baltimore, MD 21021. The listed phone number is (443) 928-0075.
What is Colleen Flanagan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.
Is Colleen Flanagan enrolled in Medicare?
Yes. Colleen Flanagan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Colleen Flanagan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Colleen Flanagan reassigns Medicare benefits to Gilchrist Hospice Care, Inc. (Baltimore, MD). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Colleen Flanagan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Colleen Flanagan affiliated with any hospitals?
According to CMS data, Colleen Flanagan is affiliated with Johns Hopkins Howard County Medical Center.
When was this NPI record last updated?
The NPPES record for Colleen Flanagan was last updated on November 5, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Colleen Flanagan, CRNP · NPI 1275356529
Gerontology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since November 5, 2024.
## Identity
- **NPI:** 1275356529 (Entity type: Individual)
- **Enumerated:** November 5, 2024
- **Primary specialty:** Nurse Practitioner - Gerontology · taxonomy 363LG0600X
- **State license:** R100678 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 22 S. GREEN ST., Baltimore, MD 21021-2104
- **Phone:** (443) 928-0075
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Gilchrist Hospice Care, Inc. (NPI 1871069799, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** November 5, 2024
---
Source: [NPI Profile](https://npiprofile.com/npi/1275356529) · Data from the CMS NPPES public registry.