Melissa Duffy, NP
NPI 1457503013 · Pediatric Nurse Practitioner · Huntington, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melissa Duffy, NP is a Pediatric Nurse Practitioner provider in Huntington, NY (NPI 1457503013).
Provider details
- NPI number
- 1457503013
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 382019 (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
17 yrs 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
- 2008-10-15
- Last updated
- 2011-08-19
Frequently asked questions
- What is Melissa Duffy's NPI number?
- Melissa Duffy's National Provider Identifier (NPI) is 1457503013, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Duffy's specialty?
- Melissa Duffy is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Melissa Duffy located?
- Melissa Duffy's practice location on file with NPPES is 270 Park Ave, Huntington, NY 11743-2787.
- What is Melissa Duffy's phone number?
- The practice phone number listed in the NPPES registry for Melissa Duffy is (631) 547-6392.
- Does Melissa Duffy accept Medicare?
- Melissa Duffy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melissa Duffy's NPI active?
- Yes — Melissa Duffy's NPI (1457503013) is active in the NPPES registry as of the last update on 2011-08-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.