Individual provider Active NPI

Hillary Riggin, CRNA

  • Certified Registered Nurse Anesthetist
  • Havre, MT
National Provider Identifier
1003241472
Registry record updated Oct 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
101009 Issued in MT
Practice address
30 13TH St
Havre, MT 59501-5222
Phone
(406) 265-2211
NPI assigned
Sep 4, 2013
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 9, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 101009 MT Primary

Addresses

Primary practice location

30 13TH St
Havre, MT 59501-5222

Mailing address

PO Box 1231
Havre, MT 59501-1231
Phone (406) 265-2211

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20140127000726 MT Practitioner - Certified Registered Nurse Anesthetist (Crna) 7416186226 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Northern Montana HospitalGroup PAC ID 2264343912, 44 clinicians

Practice addresses (Care Compare)

30 13TH St
Havre, MT 59501-5222
Phone (406) 265-2211

Hospital & facility affiliations

  • Northern Montana Hospital Hospital, Havre, MT, CCN 271348

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
101009MTMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
Northern Montana Hospital Registered Nurse CurrentSince Dec 2, 2013 Accepting new patients
Northern Montana Hospital Registered Nurse Current Accepting new patients
Northern Montana Hospital CurrentSince Dec 2, 2013 Accepting new patients

Locations

30 13th St
Havre, MT 59501
Phone (406) 262-1302

Organizations & group practices 3

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

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1378252800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759968000000",
    "number": "1003241472",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1231",
            "city": "HAVRE",
            "state": "MT",
            "postal_code": "595011231",
            "telephone_number": "406-265-2211"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "30 13TH ST",
            "city": "HAVRE",
            "state": "MT",
            "postal_code": "595015222",
            "telephone_number": "406-265-2211"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RIGGIN",
        "first_name": "HILLARY",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-09-04",
        "last_updated": "2025-10-09",
        "certification_date": "2025-10-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "MT",
            "license": "101009",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Havre, MT

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 9, 2025; 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.