Derek Thomas, LCSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

138626 Issued in CA

Practice address

194 Spanish Spur
Fallbrook, CA 92028-8495

Phone

(760) 331-7484

NPI assigned

Jun 24, 2026

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

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.

Specialty

Clinical Social Worker

Education

Other, 2023

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

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

{
    "created_epoch": "1782259200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783296000000",
    "number": "1629994637",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1077",
            "city": "FALLBROOK",
            "state": "CA",
            "postal_code": "920881077"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "194 SPANISH SPUR",
            "city": "FALLBROOK",
            "state": "CA",
            "postal_code": "920288495",
            "telephone_number": "760-331-7484"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THOMAS",
        "first_name": "DEREK",
        "name_prefix": "Mr.",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-06-24",
        "last_updated": "2026-07-06",
        "certification_date": "2026-07-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CA",
            "license": "138626",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Clinical Social Worker in Fallbrook, CA
• Providers in Fallbrook, 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 Jul 6, 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.