Darrell Allen Staley Jr.

Primary specialty

Social WorkerTaxonomy code 104100000X

Practice address

480 Chadbourne Rd
Fairfield, CA 94534-9639

Phone

(510) 317-1444

NPI assigned

Mar 2, 2020

Sex

Male

Sole proprietor

No

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": "1583107200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1741219200000",
    "number": "1316571052",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "480 CHADBOURNE RD",
            "city": "FAIRFIELD",
            "state": "CA",
            "postal_code": "945349639",
            "telephone_number": "510-317-1444"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "480 CHADBOURNE RD",
            "city": "FAIRFIELD",
            "state": "CA",
            "postal_code": "945349639",
            "telephone_number": "510-317-1444"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2100 W Texas St Apt 73",
            "address_purpose": "LOCATION",
            "city": "Fairfield",
            "state": "CA",
            "postal_code": "945334471",
            "country_code": "US",
            "telephone_number": "707-641-3485",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "STALEY",
        "first_name": "DARRELL",
        "middle_name": "ALLEN",
        "name_suffix": "Jr.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-03-02",
        "last_updated": "2025-03-06",
        "certification_date": "2025-03-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Social Worker in Fairfield, CA
• Providers in Fairfield, CA by specialty
• Social Worker in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 6, 2025; 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.