Mario Castaneda Martinez, MSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

LCSW137982 Issued in CA

Practice address

5427 Whittier Blvd
Los Angeles, CA 90022-4101

Phone

(323) 869-5450

NPI assigned

Sep 2, 2021

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

State licenses

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

{
    "created_epoch": "1630540800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776643200000",
    "number": "1447928536",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5427 WHITTIER BLVD",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900224101",
            "telephone_number": "323-869-5450"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5427 WHITTIER BLVD",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900224101",
            "telephone_number": "323-869-5450"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CASTANEDA MARTINEZ",
        "first_name": "MARIO",
        "credential": "MSW",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-09-02",
        "last_updated": "2026-04-20",
        "certification_date": "2026-04-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CA",
            "license": "LCSW137982",
            "primary": true
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "CA",
            "license": "116539",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Shea Cassidy
• Emily Cassim
• Carley Cassity, NP
• Michael Castagnetto
• Emmanuel Castaneda Hernandez
• Monica Castaneda-Garcia
• Alexandra Castaneda, MA, AMFT #138017
• Andrea Castaneda
• Antonio Castaneda
• Arianna Marie Castaneda

• 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 Apr 20, 2026; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.