Jonathan Alexandro Martinez

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

137846 Issued in CA

Practice address

1721 Griffin Ave
Los Angeles, CA 90031

Phone

(323) 221-4134

NPI assigned

Mar 30, 2015

Sex

Male

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

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

{
    "created_epoch": "1427673600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778630400000",
    "number": "1437544368",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1721 GRIFFIN AVE",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900313312",
            "telephone_number": "323-221-4134"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1721 GRIFFIN AVE",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "90031",
            "telephone_number": "323-221-4134"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARTINEZ",
        "first_name": "JONATHAN",
        "middle_name": "ALEXANDRO",
        "name_prefix": "Mr.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-03-30",
        "last_updated": "2026-05-13",
        "certification_date": "2026-05-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CA",
            "license": "109627",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CA",
            "license": "137846",
            "primary": true
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "CA",
            "license": "109627",
            "primary": false
        },
        {
            "code": "171M00000X",
            "taxonomy_group": "",
            "desc": "Case Manager/Care Coordinator",
            "state": "CA",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jessica Martinez, RD
• Jessica Eileen Martinez
• Jessica Yvette Martinez
• Jocelyn Martinez
• Jocelyn Xiomara Martinez
• Jordan Alexander Martinez
• Jorge Martinez, MSW
• Jose Margarito Martinez
• Joseline Martinez
• Joseph Martinez, LMFT

• Clinical Social Worker in Los Angeles, CA
• Providers in Los Angeles, CA by specialty
• Clinical Social Worker in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.