Individual provider Active NPI

Maddison Lee Walczak, HIS

  • Hearing Instrument Specialist
  • Plymouth, MN
National Provider Identifier
1295634806
Registry record updated Nov 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hearing Instrument SpecialistTaxonomy code 237700000X
License
HID-1010 Issued in MN
Practice address
3021 Harbor LN N Ste 212
Plymouth, MN 55447-5120
Phone
(763) 367-6012
Fax
(763) 308-3361
NPI assigned
Nov 2, 2026
Last updated
Nov 2, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 2, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Hearing Instrument Specialist 237700000X HID-1010 MN Primary

Addresses

Primary practice location

3021 Harbor LN N Ste 212
Plymouth, MN 55447-5120

Mailing address

580 Howard Ave
Somerset, NJ 08873-1113

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

NPI Registry JSON

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

{
    "created_epoch": "1793577600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1793577600000",
    "number": "1295634806",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "580 HOWARD AVE",
            "city": "SOMERSET",
            "state": "NJ",
            "postal_code": "088731113"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3021 HARBOR LN N STE 212",
            "city": "PLYMOUTH",
            "state": "MN",
            "postal_code": "554475120",
            "telephone_number": "763-367-6012",
            "fax_number": "763-308-3361"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WALCZAK",
        "first_name": "MADDISON",
        "middle_name": "LEE",
        "credential": "HIS",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-11-02",
        "last_updated": "2026-11-02",
        "certification_date": "2026-11-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "237700000X",
            "taxonomy_group": "",
            "desc": "Hearing Instrument Specialist",
            "state": "MN",
            "license": "HID-1010",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Plymouth, MN

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 2, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.