Spencer Freres Jefferson, IDHS

Primary specialty

Independent Duty Medical TechniciansTaxonomy code 1710I1003X

Practice address

38990 Midway Ave
San Diego, CA 92140-5560

Phone

(619) 524-4404

NPI assigned

Aug 15, 2025

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": "1755216000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755216000000",
    "number": "1447136288",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "38990 MIDWAY AVE",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921405560"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "38990 MIDWAY AVE",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921405560",
            "telephone_number": "619-524-4404"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JEFFERSON",
        "first_name": "SPENCER",
        "middle_name": "FRERES",
        "credential": "IDHS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-08-15",
        "last_updated": "2025-08-15",
        "certification_date": "2025-08-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1710I1003X",
            "taxonomy_group": "",
            "desc": "Military Health Care Provider, Independent Duty Medical Technicians",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Joseph Jeffers, M.F.T.
• Keith Jeffers, D.C.
• Scott Jeffers, D.C.
• Deanna Jefferson, LCSW
• Jewels Jefferson
• Tariq Jefferson
• Liam O'Brien Jeffery, RN
• Jamie Christine Jeffredo, COTA
• Jennifer A Jeffress, BA
• Jeffrey a Hall O D Inc

• Independent Duty Medical Technicians in San Diego, CA
• Providers in San Diego, CA by specialty
• Independent Duty Medical Technicians in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 15, 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.