Allen Abram Sigua Bustos, ACSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

140081 Issued in CA

Practice address

900 Laurel Ave
San Mateo, CA 94401-4211

Phone

(650) 200-4138

NPI assigned

Sep 25, 2024

Last updated

Sep 4, 2026By the provider in NPPES

Sex

Male

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

Medicare enrollment (NPD)

Not enrolled

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

{
    "created_epoch": "1727222400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788480000000",
    "number": "1982421442",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "900 LAUREL AVE",
            "city": "SAN MATEO",
            "state": "CA",
            "postal_code": "944014211",
            "telephone_number": "650-200-4138"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "900 LAUREL AVE",
            "city": "SAN MATEO",
            "state": "CA",
            "postal_code": "944014211",
            "telephone_number": "650-200-4138"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BUSTOS",
        "first_name": "ALLEN ABRAM",
        "middle_name": "SIGUA",
        "credential": "ACSW",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2024-09-25",
        "last_updated": "2026-09-04",
        "certification_date": "2026-09-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CA",
            "license": "140081",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Madison Christene Burrington
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• Jaymie Marie Byron
• C-Dental X-Ray Inc

• Clinical Social Worker in San Mateo, CA
• Providers in San Mateo, 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 Sep 4, 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.