Melissa Gallagher, NP
NPI 1336956473 · Family Nurse Practitioner · Holbrook, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melissa Gallagher, NP is a Family Nurse Practitioner provider in Holbrook, NY (NPI 1336956473).
Provider details
- NPI number
- 1336956473
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 355235 (NY)
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2024-12-12
- Last updated
- 2024-12-12
- Certified
- 2024-12-12
Frequently asked questions
- What is Melissa Gallagher's NPI number?
- Melissa Gallagher's National Provider Identifier (NPI) is 1336956473, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Gallagher's specialty?
- Melissa Gallagher is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Melissa Gallagher located?
- Melissa Gallagher's practice location on file with NPPES is 233 Union Ave, Holbrook, NY 11741-1820.
- What is Melissa Gallagher's phone number?
- The practice phone number listed in the NPPES registry for Melissa Gallagher is (212) 803-3339.
- Does Melissa Gallagher accept Medicare?
- Melissa Gallagher is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melissa Gallagher's NPI active?
- Yes — Melissa Gallagher's NPI (1336956473) is active in the NPPES registry as of the last update on 2024-12-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.