MELISSA M GALLAGHER NP
NPI 1336956473
Nurse Practitioner - Family in Holbrook, NY
About Melissa M Gallagher Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MELISSA M GALLAGHER NP (NPI 1336956473) is an individual family provider in Holbrook, New York, licensed in New York (355235) and active in the NPI registry since December 2024. She is enrolled in Medicare PECOS.
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 (PECOS)
Melissa M Gallagher Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Melissa Gallagher reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Rockville Centre, NY 11570
- Reassigned Medicare billing, New York enrollment
- 49 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11741 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 19
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HOLBROOK, NY 11741
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 Melissa Gallagher's NPI number?
The NPI number for Melissa Gallagher is 1336956473. It was assigned to this individual provider in the NPPES registry on December 12, 2024.
Where is Melissa Gallagher located?
Melissa Gallagher practices at 233 Union Ave, Holbrook, NY 11741. The listed phone number is (212) 803-3339.
What is Melissa Gallagher's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Melissa Gallagher enrolled in Medicare?
Yes. Melissa Gallagher is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Melissa Gallagher's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Gallagher reassigns Medicare benefits to Mission Medical Care PC (Rockville Centre, NY). 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 Melissa Gallagher's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Melissa Gallagher was last updated on December 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.
# Melissa M Gallagher, NP · NPI 1336956473
Family physician in Holbrook, New York. Individual provider, active in the CMS NPPES registry since December 12, 2024.
## Identity
- **NPI:** 1336956473 (Entity type: Individual)
- **Enumerated:** December 12, 2024
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 355235 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 233 UNION AVE, Holbrook, NY 11741-1820
- **Phone:** (212) 803-3339
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Mission Medical Care PC (NPI 1750898565, Rockville Centre, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 12, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1336956473) · Data from the CMS NPPES public registry.