Organization Active NPI

L'Asist Behavioral Health, LLC

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Butte, MT
National Provider Identifier
1487480166
Registry record updated Jan 23, 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
L'ASIST BEHAVIORAL HEALTH, LLC
Practice address
65 E Broadway St Ste 531
Butte, MT 59701-9319
Phone
(406) 696-2509
NPI assigned
Sep 10, 2024
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jan 23, 2026

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

Authorized official

Name
Keely Mills
Title
Owner/Ceo
Phone
(406) 696-2509

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Case Management Agency 251B00000X
Mental Health Clinic/Center (Including Community Mental Health Center) 261QM0801X Primary
Adult Mental Health Clinic/Center 261QM0850X

Addresses

Primary practice location

65 E Broadway St Ste 531
Butte, MT 59701-9319

Mailing address

65 E Broadway St Ste 531
Butte, MT 59701-9319
Phone (406) 696-2509

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MT

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20250210001652 MT Part B Supplier - Clinic/Group Practice 2062942899 Receives reassigned benefits from 1 practitioner
Practice locations: Butte, MT

National Provider Directory

National Provider Directory

Locations

65 E Broadway St
Ste 531
Butte, MT 59701
Phone (406) 696-2509

305 W Mercury St
Ste 409
Butte, MT 59701
Phone (406) 490-3145

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1725926400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1769126400000",
    "number": "1487480166",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "65 E BROADWAY ST STE 531",
            "city": "BUTTE",
            "state": "MT",
            "postal_code": "597019319",
            "telephone_number": "406-696-2509"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "65 E BROADWAY ST STE 531",
            "city": "BUTTE",
            "state": "MT",
            "postal_code": "597019319",
            "telephone_number": "406-696-2509"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "L'ASIST BEHAVIORAL HEALTH, LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2024-09-10",
        "last_updated": "2026-01-23",
        "certification_date": "2026-01-23",
        "status": "A",
        "authorized_official_last_name": "MILLS",
        "authorized_official_first_name": "KEELY",
        "authorized_official_title_or_position": "OWNER/CEO",
        "authorized_official_telephone_number": "406-696-2509"
    },
    "taxonomies": [
        {
            "code": "251B00000X",
            "taxonomy_group": "",
            "desc": "Case Management",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "261QM0801X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Mental Health (Including Community Mental Health Center)",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "261QM0850X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Adult Mental Health",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Butte, MT

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 23, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.