Individual provider Active NPI

Gwendolyn Williams, CSW

  • Clinical Social Worker
  • Muskegon, MI
National Provider Identifier
1649271826
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
6801058001 Issued in MI
Practice address
1700 Oak Ave
Muskegon, MI 49442-2407
Phone
(231) 777-2093
Fax
(231) 773-7500
NPI assigned
Aug 10, 2005
Last updated
Jul 13, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 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 6801058001 MI Primary

Addresses

Primary practice location

1700 Oak Ave
Muskegon, MI 49442-2407

Mailing address

2201 S Getty St
Muskegon, MI 49444-1207
Phone (231) 739-9315

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)
Enrolled

State licenses

LicenseStateTypeSpecialty
6801058001MIMDClinical Social Worker

NPI Registry JSON

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

{
    "created_epoch": "1123632000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1649271826",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2201 S GETTY ST",
            "city": "MUSKEGON",
            "state": "MI",
            "postal_code": "494441207",
            "telephone_number": "231-739-9315",
            "fax_number": "231-733-7380"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1700 OAK AVE",
            "city": "MUSKEGON",
            "state": "MI",
            "postal_code": "494422407",
            "telephone_number": "231-777-2093",
            "fax_number": "231-773-7500"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "GWENDOLYN",
        "credential": "CSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-08-10",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "MI",
            "license": "6801058001",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Muskegon, MI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.