NPIMap

Individual provider Active NPI

Margit Elisabeth Groessler, NP-C

  • Family Nurse Practitioner
  • St Ignatius, MT
National Provider Identifier
1013169960
Registry record updated Sep 29, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
NUR-APRN-LIC-100262 Issued in MT
Practice address
54699 Hillside Rd
St Ignatius, MT 59865-8915
Phone
(406) 745-0845
Fax
(833) 918-2217
NPI assigned
Oct 22, 2008
Last updated
Sep 29, 2026By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 29, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X NUR-APRN-LIC-100262 MT Primary

Addresses

Primary practice location

54699 Hillside Rd
St Ignatius, MT 59865-8915

Mailing address

PO Box 880
Saint Ignatius, MT 59865-0880
Phone (406) 745-0845

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MT
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20090218000073 MT Practitioner - Nurse Practitioner 0840355376 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2008
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

35401 Mission Dr
Saint Ignatius, MT 59865-7791
Phone (406) 745-3525

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
NUR-APRN-LIC-100262MTMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Confederated Salish & Kootenai Tribes of the Flathead Reservation CurrentSince Jul 19, 2020 Accepting new patients
Confederated Salish and Kootenai Tribes of the Flathead Reservation CurrentSince Apr 30, 2018 Accepting new patients

Interoperability endpoints

  • Direct secure messaging: mgroessler830145@wm.providencedirect.org

Organizations & group practices 2

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

Hospital & facility affiliations 7

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": "1224633600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790640000000",
    "number": "1013169960",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 880",
            "city": "SAINT IGNATIUS",
            "state": "MT",
            "postal_code": "598650880",
            "telephone_number": "406-745-0845",
            "fax_number": "833-918-2217"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "54699 HILLSIDE RD",
            "city": "ST IGNATIUS",
            "state": "MT",
            "postal_code": "598658915",
            "telephone_number": "406-745-0845",
            "fax_number": "833-918-2217"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GROESSLER",
        "first_name": "MARGIT",
        "middle_name": "ELISABETH",
        "name_prefix": "Ms.",
        "credential": "NP-C",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2008-10-22",
        "last_updated": "2026-09-29",
        "certification_date": "2026-09-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MT",
            "license": "NUR-APRN-LIC-100262",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in St Ignatius, MT

Sources for this page

Verify at the official NPI Registry.