Wendy Lou Maddux, APRN

Primary specialty

Gerontology Nurse PractitionerTaxonomy code 363LG0600X

License

178764 Issued in MT

Practice address

408 Wendell Ave
Lewistown, MT 59457-2261

Phone

(406) 535-6302

Fax

(406) 535-6306

NPI assigned

Dec 2, 2009

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in MT

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: wendy.maddux.1@25901.direct.athenahealth.com
• FHIR API: https://api.platform.athenahealth.com/25901/brand/1/csg/1/fhir/r4

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.

• Lewistown Adult Health and Wound Care PLLC

  • Gerontology Nurse Practitioner
  • Lewistown, MT
  • NPI 1023769973

  Wound Care

  Medicare reassignment NPD Authorized official

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

{
    "created_epoch": "1259712000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774051200000",
    "number": "1023346004",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "419 E BROADWAY ST",
            "city": "LEWISTOWN",
            "state": "MT",
            "postal_code": "594571904",
            "telephone_number": "406-535-3398",
            "fax_number": "406-535-1940"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "408 WENDELL AVE",
            "city": "LEWISTOWN",
            "state": "MT",
            "postal_code": "594572261",
            "telephone_number": "406-535-6302",
            "fax_number": "406-535-6306"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "419 E Broadway St",
            "address_purpose": "LOCATION",
            "city": "Lewistown",
            "state": "MT",
            "postal_code": "594571904",
            "country_code": "US",
            "telephone_number": "406-535-3398",
            "fax_number": "406-535-1940",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MADDUX",
        "first_name": "WENDY",
        "middle_name": "LOU",
        "credential": "APRN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2009-12-02",
        "last_updated": "2026-03-21",
        "certification_date": "2026-03-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LG0600X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Gerontology",
            "state": "MT",
            "license": "178764",
            "primary": true
        },
        {
            "code": "364S00000X",
            "taxonomy_group": "",
            "desc": "Clinical Nurse Specialist",
            "state": "MT",
            "license": "NUR-APRN-LIC-178764",
            "primary": false
        },
        {
            "code": "163WW0000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Wound Care",
            "state": "MT",
            "license": "RN25056",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Heidi Marie Linhart, DNP
• Brian Matthew Lopez, MD
• Cassandra Evelyn Lopez, MD
• Trent Lott, DPM
• Kristi Lynn, PHARM.D
• Teresa Marie Majerus, M.SC, LCPC
• Andrew Malak
• Eri Ogami Martin, LCPC
• Kurt McCaulay, MSW, LAC
• Lynde McCollum, PHARMD, RPH

• Gerontology Nurse Practitioner in Lewistown, MT
• Providers in Lewistown, MT by specialty
• Gerontology Nurse Practitioner in Montana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 21, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.