Individual provider Active NPI

Nancy Karen West-Thompson, ASW

  • Clinical Social Worker
  • Rio Vista, CA
National Provider Identifier
1841097318
Registry record updated Sep 15, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
ASW94829 Issued in CA
Practice address
628 Montezuma St
Rio Vista, CA 94571-1622
Phone
(707) 374-5243
NPI assigned
Mar 3, 2025
Last updated
Sep 15, 2025By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 15, 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 ASW94829 CA Primary

Addresses

Primary practice location

628 Montezuma St
Rio Vista, CA 94571-1622

Mailing address

2810 Lone Tree Way Ste 9
Antioch, CA 94509-4956
Phone (925) 255-0002

Other practice location 1

2810 Lone Tree Way Ste 9
Antioch, CA 94509-4956
Phone (909) 672-2018

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
ASW94829CAMDClinical Social Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Queen Adu-Poku Licensed Clinical Social Worker PC Clinical CurrentSince Mar 1, 2025 Accepting new patients
Kumasicali PastSince Mar 1, 2025 Accepting new patients

Locations

2810 Lone Tree Way
Ste 9
Antioch, CA 94509
Phone (925) 489-1110

Organizations & group practices 2

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

NPI Registry JSON

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

{
    "created_epoch": "1740960000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757894400000",
    "number": "1841097318",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2810 LONE TREE WAY STE 9",
            "city": "ANTIOCH",
            "state": "CA",
            "postal_code": "945094956",
            "telephone_number": "925-255-0002"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "628 MONTEZUMA ST",
            "city": "RIO VISTA",
            "state": "CA",
            "postal_code": "945711622",
            "telephone_number": "707-374-5243"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2810 Lone Tree Way Ste 9",
            "address_purpose": "LOCATION",
            "city": "Antioch",
            "state": "CA",
            "postal_code": "945094956",
            "country_code": "US",
            "telephone_number": "909-672-2018",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WEST-THOMPSON",
        "first_name": "NANCY",
        "middle_name": "KAREN",
        "name_prefix": "Mrs.",
        "credential": "ASW",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-03-03",
        "last_updated": "2025-09-15",
        "certification_date": "2025-09-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CA",
            "license": "ASW94829",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Rio Vista, CA

Sources for this page

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