John Steven Carlin Jr.

Primary specialty

Social WorkerTaxonomy code 104100000X

License

139807 Issued in CA

Practice address

3499 10TH St
Riverside, CA 92501-3617

Phone

(951) 715-5050

NPI assigned

May 9, 2022

Sex

Male

Sole proprietor

Yes

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

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": "1652054400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785974400000",
    "number": "1932845302",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "301 VICTORIA ST",
            "city": "COSTA MESA",
            "state": "CA",
            "postal_code": "926271995",
            "telephone_number": "949-574-3367"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3499 10TH ST",
            "city": "RIVERSIDE",
            "state": "CA",
            "postal_code": "925013617",
            "telephone_number": "951-715-5050"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "301 Victoria St",
            "address_purpose": "LOCATION",
            "city": "Costa Mesa",
            "state": "CA",
            "postal_code": "926271995",
            "country_code": "US",
            "telephone_number": "949-574-3367",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CARLIN",
        "first_name": "JOHN",
        "middle_name": "STEVEN",
        "name_prefix": "Mr.",
        "name_suffix": "Jr.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2022-05-09",
        "last_updated": "2026-08-06",
        "certification_date": "2026-08-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "CA",
            "license": "139807",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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

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