Organization Active NPI

Kelly Williams PLLC

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Billings, MT
National Provider Identifier
1386564367
Registry record updated Jul 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mental Health Clinic/Center (Including Community Mental Health Center)Taxonomy code 261QM0801X
Legal business name
KELLY WILLIAMS PLLC
Practice address
2409 Arnold LN Ste 2
Billings, MT 59102-3885
Phone
(406) 697-2408
NPI assigned
Jul 20, 2026
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jul 20, 2026

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

Authorized official

Name
Mrs. Kelly Williams, LCSW
Title
Clinical Social Worker
Phone
(406) 697-2408

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health Clinic/Center (Including Community Mental Health Center) 261QM0801X Primary

Addresses

Primary practice location

2409 Arnold LN Ste 2
Billings, MT 59102-3885

Mailing address

2409 Arnold LN Ste 2
Billings, MT 59102-3885
Phone (406) 697-2408

National Provider Directory

National Provider Directory

Locations

2409 Arnold Ln
Ste 2
Billings, MT 59102

NPI Registry JSON

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

{
    "created_epoch": "1784505600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1784505600000",
    "number": "1386564367",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2409 ARNOLD LN STE 2",
            "city": "BILLINGS",
            "state": "MT",
            "postal_code": "591023885",
            "telephone_number": "406-697-2408"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2409 ARNOLD LN STE 2",
            "city": "BILLINGS",
            "state": "MT",
            "postal_code": "591023885",
            "telephone_number": "406-697-2408"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "KELLY WILLIAMS PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-07-20",
        "last_updated": "2026-07-20",
        "certification_date": "2026-07-19",
        "status": "A",
        "authorized_official_last_name": "WILLIAMS",
        "authorized_official_first_name": "KELLY",
        "authorized_official_title_or_position": "CLINICAL SOCIAL WORKER",
        "authorized_official_telephone_number": "406-697-2408",
        "authorized_official_name_prefix": "Mrs.",
        "authorized_official_credential": "LCSW"
    },
    "taxonomies": [
        {
            "code": "261QM0801X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Mental Health (Including Community Mental Health Center)",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Billings, MT

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 20, 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.