Individual provider Active NPI

Nancy Yunuen Gonzalez Avina, ASW

  • Clinical Social Worker
  • San Francisco, CA
National Provider Identifier
1740615699
Registry record updated Mar 31, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
104892 Issued in CA
Practice address
447 Sutter St Ste 405
San Francisco, CA 94108-4618
Phone
(209) 209-9691
NPI assigned
Sep 11, 2013
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 31, 2026

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 104892 CA Primary

Addresses

Primary practice location

447 Sutter St Ste 405
San Francisco, CA 94108-4618

Mailing address

3321 Quartz LN Apt E5
Fullerton, CA 92831-2666

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
104892CAMDClinical Social Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Crittenton Services PastSince Jul 24, 2022 Accepting new patients

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1378857600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774915200000",
    "number": "1740615699",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3321 QUARTZ LN APT E5",
            "city": "FULLERTON",
            "state": "CA",
            "postal_code": "928312666"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "447 SUTTER ST STE 405",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941084618",
            "telephone_number": "209-209-9691"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GONZALEZ AVINA",
        "first_name": "NANCY",
        "middle_name": "YUNUEN",
        "name_prefix": "Ms.",
        "credential": "ASW",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2013-09-11",
        "last_updated": "2026-03-31",
        "certification_date": "2026-03-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CA",
            "license": "104892",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 31, 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.