Macy Ray Hyvonen, DMD

Primary specialty

General Practice DentistryTaxonomy code 1223G0001X

License

2321 Issued in MT

Practice address

203 Main St
Polson, MT 59860-2119

Phone

(406) 883-0496

NPI assigned

Aug 12, 2008

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

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

{
    "created_epoch": "1218499200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1749772800000",
    "number": "1902052707",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "203 MAIN ST",
            "city": "POLSON",
            "state": "MT",
            "postal_code": "598602119",
            "telephone_number": "406-883-0496"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "203 MAIN ST",
            "city": "POLSON",
            "state": "MT",
            "postal_code": "598602119",
            "telephone_number": "406-883-0496"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HYVONEN",
        "first_name": "MACY",
        "middle_name": "RAY",
        "name_prefix": "Miss",
        "credential": "DMD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2008-08-12",
        "last_updated": "2025-06-13",
        "certification_date": "2025-06-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "MT",
            "license": "2321",
            "primary": false
        },
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "MT",
            "license": "2321",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Joseph Allen Howard, MD
• Ashlee Olivia Howell, DPT
• Heather Michelle Howell
• Clint Hoxie, O.D.
• Amber Ann Hughes, LCSW
• Marissa Mae Ilac, LCPC
• R Stephen Irwin, M. D.
• Jeffrey D. Heninger, O.D. PLLC
• Kelly D Jenne, NP
• Kristi Ann Joachim

• General Practice Dentistry in Polson, MT
• Providers in Polson, MT by specialty
• General Practice Dentistry in Montana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 13, 2025; 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.