Active NPI
Myrna Mattar, N.P.
- Family Nurse Practitioner
- Melville, NY
National Provider Identifier
1235303066
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Nurse Practitioner
- License
- F335366
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| F335366 | Other | NY | NY STATE NP LICENSE |
Other names 1
- Myrna Desvarieux
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
Enrollment records 1
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
- Constellation Home Care
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| F335366 | NY | MD | Family Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Optum Care Services Company | Family | Past | 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.
-
- Internal Medicine Physician
- Brooklyn, NY
- NPI 1356979447
-
- Family Nurse Practitioner
- Columbia, MD
- NPI 1912199415
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Home Health Agency
- Syosset, NY
- NPI 1841629698
-
- Home Health Agency
- Flushing, NY
- NPI 1235529538
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 7, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.