Individual provider Active NPI

Garrett Clinton Irene, DC

  • Chiropractor
  • Billings, MT
National Provider Identifier
1679192355
Registry record updated May 27, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
ChiropractorTaxonomy code 111N00000X
License
CHI-CHI-LIC-6174 Issued in MT
Practice address
926 Main St Ste 15
Billings, MT 59105-3359
Phone
(406) 702-1041
NPI assigned
Apr 13, 2020
Last updated
May 27, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 27, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Chiropractor 111N00000X CHI-CHI-LIC-6174 MT Primary

Addresses

Primary practice location

926 Main St Ste 15
Billings, MT 59105-3359

Mailing address

926 Main St Ste 15
Billings, MT 59105-3359
Phone (406) 702-1041

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20200618000144 MT Practitioner - Chiropractic 0446672521 Practice locations: Billings, MT

Care Compare profile

Medicare Care Compare
Specialty
Chiropractic
Education
Palmer College Chiropractic - West Sunnyvale, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

926 Main St
Suite 15
Billings, MT 59105-3359
Phone (406) 702-1041

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
CHI-CHI-LIC-6174MTMDChiropractor

NPI Registry JSON

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

{
    "created_epoch": "1586736000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779840000000",
    "number": "1679192355",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "926 MAIN ST STE 15",
            "city": "BILLINGS",
            "state": "MT",
            "postal_code": "591053359",
            "telephone_number": "406-702-1041"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "926 MAIN ST STE 15",
            "city": "BILLINGS",
            "state": "MT",
            "postal_code": "591053359",
            "telephone_number": "406-702-1041"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "IRENE",
        "first_name": "GARRETT",
        "middle_name": "CLINTON",
        "name_prefix": "Dr.",
        "credential": "DC",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-04-13",
        "last_updated": "2026-05-27",
        "certification_date": "2026-05-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "111N00000X",
            "taxonomy_group": "",
            "desc": "Chiropractor",
            "state": "MT",
            "license": "CHI-CHI-LIC-6174",
            "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 May 27, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.