Individual provider Active NPI

Myrna Mattar, N.P.

  • Family Nurse Practitioner
  • Melville, NY
National Provider Identifier
1235303066
Registry record updated Nov 7, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
F335366 Issued in NY
Practice address
68 S South Service Rd
Melville, NY 11747
Phone
(855) 479-4217
Fax
(347) 913-1446
NPI assigned
Apr 14, 2008
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Nov 7, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X F335366 NY Primary

Addresses

Primary practice location

68 S South Service Rd
Melville, NY 11747

Mailing address

68 S South Service Rd
Melville, NY 11747
Phone (855) 479-4217

Other identifiers 1

IdentifierTypeStateIssuer
F335366OtherNYNY STATE NP LICENSE

Other names 1

  • Myrna Desvarieux Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20080806000789 NY Practitioner - Nurse Practitioner 3779657895 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2007
Medicare assignment
Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

3514 Mermaid Ave
Brooklyn, NY 11224-1508

Hospital & facility affiliations

  • Emerest Home Health Care of Long Island Home health agency, Flushing, NY, CCN 337189
  • Constellation Home Care Home health agency, Syosset, NY, CCN 337447

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
F335366NYMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Optum Care Services Company Family PastSince Jan 1, 2014 Accepting new patients

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 2

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1208131200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762473600000",
    "number": "1235303066",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "68 S SOUTH SERVICE RD",
            "city": "MELVILLE",
            "state": "NY",
            "postal_code": "11747",
            "telephone_number": "855-479-4217",
            "fax_number": "347-913-1446"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "68 S SOUTH SERVICE RD",
            "city": "MELVILLE",
            "state": "NY",
            "postal_code": "11747",
            "telephone_number": "855-479-4217",
            "fax_number": "347-913-1446"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MATTAR",
        "first_name": "MYRNA",
        "credential": "N.P.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2008-04-14",
        "last_updated": "2025-11-07",
        "certification_date": "2025-11-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "NY",
            "license": "F335366",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "NY STATE NP LICENSE",
            "identifier": "F335366",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MYRNA",
            "last_name": "DESVARIEUX",
            "credential": "FNP",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Melville, NY

Sources for this page

Verify at the official NPI Registry.