Individual provider Active NPI

Ernesto Mayorga Mayorga, LCSW

  • Clinical Social Worker
  • Elk Grove, CA
National Provider Identifier
1861952087
Registry record updated Dec 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
106945 Issued in CA
Practice address
12500 Bruceville Rd
Elk Grove, CA 95757-9784
Phone
(916) 874-1927
Fax
(916) 854-8911
NPI assigned
Mar 22, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 17, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X 106945 CA Primary

Addresses

Primary practice location

12500 Bruceville Rd
Elk Grove, CA 95757-9784

Mailing address

PO Box 690313
Stockton, CA 95269-0313
Phone (916) 874-1975

Other practice location 1

651 I St
Sacramento, CA 95814-2400
Phone (916) 875-7195

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
106945CAMDDentist

NPI Registry JSON

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

{
    "created_epoch": "1553212800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765929600000",
    "number": "1861952087",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 690313",
            "city": "STOCKTON",
            "state": "CA",
            "postal_code": "952690313",
            "telephone_number": "916-874-1975"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12500 BRUCEVILLE RD",
            "city": "ELK GROVE",
            "state": "CA",
            "postal_code": "957579784",
            "telephone_number": "916-874-1927",
            "fax_number": "916-854-8911"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "651 I St",
            "address_purpose": "LOCATION",
            "city": "Sacramento",
            "state": "CA",
            "postal_code": "958142400",
            "country_code": "US",
            "telephone_number": "916-875-7195",
            "fax_number": "916-875-9709",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MAYORGA",
        "first_name": "ERNESTO MAYORGA",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-22",
        "last_updated": "2025-12-17",
        "certification_date": "2025-12-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CA",
            "license": "106945",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Elk Grove, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 17, 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.