M Health

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

Legal business name

M HEALTH

Practice address

1120 Hudson St
Helena, MT 59601-1845

Phone

(406) 459-1101

NPI assigned

Jan 7, 2026

Last updated

Oct 15, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Ruby I Greer, DNP, APRNNPI 1396222592

Title

Owner

Phone

(406) 459-1101

Specialties & licenses 1

Addresses

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Ruby Ingebritson Greer, APRN, WHNP-BC

  • Women's Health Nurse Practitioner
  • Helena, MT
  • NPI 1396222592
  NPD Authorized official

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

{
    "created_epoch": "1767744000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1792022400000",
    "number": "1518824952",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1120 HUDSON ST",
            "city": "HELENA",
            "state": "MT",
            "postal_code": "596011845",
            "telephone_number": "406-459-1101"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1120 HUDSON ST",
            "city": "HELENA",
            "state": "MT",
            "postal_code": "596011845",
            "telephone_number": "406-459-1101"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "M HEALTH",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-01-07",
        "last_updated": "2026-10-15",
        "certification_date": "2026-10-15",
        "status": "A",
        "authorized_official_last_name": "GREER",
        "authorized_official_first_name": "RUBY",
        "authorized_official_middle_name": "I",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "406-459-1101",
        "authorized_official_credential": "DNP, APRN"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Alastair Lunnon, LCSW
• Lupine Mental Health and Wellness
• Phillip Quinn Lybbert, D.M.D.
• Linda Kay Lyson, APRN
• Khayson Lytle, RPH
• Crystal K Maceira, LMT
• Sierra Machart
• Megan Macke, DNP, FNP
• Kathleen Mackin
• Ryan A Macneill, PT, DPT

• Nurse Practitioner in Helena, MT
• Providers in Helena, MT by specialty
• Nurse Practitioner in Montana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 15, 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.