Helen Matevosian, MSN-FNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

95036367 Issued in CA

Practice address

14457 Roscoe Blvd
Panorama City, CA 91402-3012

Phone

(818) 810-5947

NPI assigned

Sep 9, 2025

Last updated

Sep 9, 2025By the provider in NPPES

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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.

Specialty

Nurse Practitioner

Education

Other, 2025

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

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

{
    "created_epoch": "1757376000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757376000000",
    "number": "1952282758",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1136 N VERDUGO RD",
            "city": "GLENDALE",
            "state": "CA",
            "postal_code": "912061500",
            "telephone_number": "818-425-1124"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "14457 ROSCOE BLVD",
            "city": "PANORAMA CITY",
            "state": "CA",
            "postal_code": "914023012",
            "telephone_number": "818-810-5947"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MATEVOSIAN",
        "first_name": "HELEN",
        "credential": "MSN-FNP",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-09-09",
        "last_updated": "2025-09-09",
        "certification_date": "2025-09-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Nurse Practitioner, Family",
            "state": "CA",
            "license": "95036367",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Yelena Martirosyan
• Marco Masci, M.D.
• Andrea D Mason, O.T.R.
• Judy A Mason, NP
• Susannah Elizabeth Mason, MD
• Gloria I Matta, R.N.P.
• Maria Rosario Timbol Maun, M.D.
• Michael Maus
• Olga Patricia Maya, D.D.S.
• John K. Mayeno, MD

• Family Nurse Practitioner in Panorama City, CA
• Providers in Panorama City, CA by specialty
• Family Nurse Practitioner in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 9, 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.

Verify at the official NPI Registry.