CAROLYN E MCMAHON NP IN FAMILY HEALTH PC
NPI 1649166380
Family Medicine in Brooklyn, NY
About Carolyn E Mcmahon Np In Family Health Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CAROLYN E MCMAHON NP IN FAMILY HEALTH PC (NPI 1649166380) is a healthcare organization registered as a family medicine in Brooklyn, New York and active in the NPI registry since June 2025. The organization lists Carolyn Elizabeth Mcmahon, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Carolyn E Mcmahon Np In Family Health Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Carolyn E Mcmahon Np In Family Health PC, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently 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 Carolyn E Mcmahon Np In Family Health PC's NPI number?
The NPI number for Carolyn E Mcmahon Np In Family Health PC is 1649166380. It was assigned to this organization in the NPPES registry on June 17, 2025.
Where is Carolyn E Mcmahon Np In Family Health PC located?
Carolyn E Mcmahon Np In Family Health PC is located at 31 Spencer St Ste 1501, Brooklyn, NY 11205. The listed phone number is (212) 734-6621.
What is Carolyn E Mcmahon Np In Family Health PC's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Carolyn E Mcmahon Np In Family Health PC enrolled in Medicare?
Yes. Carolyn E Mcmahon Np In Family Health PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Carolyn E Mcmahon Np In Family Health PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nurse Practitioner) reassigns their Medicare billing to Carolyn E Mcmahon Np In Family Health PC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Carolyn E Mcmahon Np In Family Health PC was last updated on November 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Carolyn E Mcmahon Np In Family Health Pc · NPI 1649166380
Family Medicine organization in Brooklyn, New York. Organization record, active in the CMS NPPES registry since June 17, 2025.
## Identity
- **NPI:** 1649166380 (Entity type: Organization)
- **Enumerated:** June 17, 2025
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **Organization subpart:** No
- **Authorized official:** Carolyn Mcmahon, OWNER
## Practice location
- **Address:** 31 SPENCER ST STE 1501, Brooklyn, NY 11205-5343
- **Phone:** (212) 734-6621
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Nurse Practitioner) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 19, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1649166380) · Data from the CMS NPPES public registry.