Individual provider Active NPI

Guadalupe Castaneda

  • Social Worker
  • Concord, CA
National Provider Identifier
1104565886
Registry record updated Aug 5, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Social WorkerTaxonomy code 104100000X
License
131808 Issued in CA
Practice address
1936 Carlotta Dr
Concord, CA 94519-1358
Phone
(925) 682-8000
NPI assigned
Jun 1, 2022
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 5, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Social Worker 104100000X 131808 CA Primary

Addresses

Primary practice location

1936 Carlotta Dr
Concord, CA 94519-1358

Mailing address

2067 Olivera Rd Apt a
Concord, CA 94520-8301
Phone (510) 731-4558

Electronic endpoints 2

TypeEndpointUseAffiliation
CONNECT URL gcastaneda@livelafamilia.org
CONNECT URL castanedag@mdusd.org

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
131808CAMDSocial Worker

NPI Registry JSON

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

{
    "created_epoch": "1654041600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754352000000",
    "number": "1104565886",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2067 OLIVERA RD APT A",
            "city": "CONCORD",
            "state": "CA",
            "postal_code": "945208301",
            "telephone_number": "510-731-4558"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1936 CARLOTTA DR",
            "city": "CONCORD",
            "state": "CA",
            "postal_code": "945191358",
            "telephone_number": "925-682-8000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CASTANEDA",
        "first_name": "GUADALUPE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-06-01",
        "last_updated": "2025-08-05",
        "certification_date": "2025-08-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "CA",
            "license": "131808",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "gcastaneda@livelafamilia.org",
            "affiliation": "N",
            "address_1": "2118 Willow Pass Rd Ste 500",
            "city": "Concord",
            "state": "CA",
            "country_code": "US",
            "postal_code": "945202414",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "castanedag@mdusd.org",
            "affiliation": "N",
            "address_1": "1936 Carlotta Dr",
            "city": "Concord",
            "state": "CA",
            "country_code": "US",
            "postal_code": "945191358",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Concord, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 5, 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.