NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Myrna Mattar, N.P.

Family Nurse Practitioner in Melville, NY · enumerated 2008.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1235303066

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Registry record

Entity type Individual (Type 1)
Name Myrna Mattar
Credential N.P.
Sex Female
Practice address Melville, NY, 11747
Phone (855) 479-4217
Fax (347) 913-1446
Enumeration date Apr 14, 2008
Last updated in NPPES Nov 7, 2025

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License F335366 (NY) Primary
NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority. About the NP credential

Other identifiers

Identifier Type State Issuer
F335366 Other NY NY STATE NP LICENSE

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Myrna Mattar?
The National Provider Identifier (NPI) for Myrna Mattar is 1235303066, a Type 1 (individual) record in the CMS NPPES registry.
Where does Myrna Mattar practice?
The practice location on file with NPPES is in Melville, NY. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-11-07.