Individual provider Active NPI

Melodie Harrington Maerz, AUD

  • Audiologist
  • Saint Paul, MN
National Provider Identifier
1073755609
Registry record updated Nov 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
AudiologistTaxonomy code 231H00000X
License
8444 Issued in MN
Practice address
2550 University Ave W Ste 135N
Saint Paul, MN 55114-2002
Phone
(651) 646-2427
Fax
(651) 649-3018
NPI assigned
Mar 27, 2009
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Nov 11, 2025

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

Specialties & licenses 5

Specialty (taxonomy)CodeLicenseStatePrimary
Hearing Instrument Specialist 237700000X 000980 IA
AudiologistGroup: 193400000X SINGLE SPECIALTY GROUP 231H00000X 8444 MN Primary
Audiologist 231H00000X 000717 IA
Audiologist 231H00000X 2009021155 MO
Audiologist 231H00000X 147.001373 IL

Addresses

Primary practice location

2550 University Ave W Ste 135N
Saint Paul, MN 55114-2002

Mailing address

2550 University Ave W Ste 135N
Saint Paul, MN 55114-2002
Phone (651) 646-2427

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address melodie.maerz@associated-hearing.com Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MN

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20090708000523 MN Practitioner - Qualified Audiologist 5991857799 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Qualified Audiologist
Education
Other, 2008
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Axe Audiology, LLCGroup PAC ID 4385034271, 3 clinicians

Practice addresses (Care Compare)

1700
36 Suite 125
Roseville, MN 55113
Phone (763) 755-0690

2550 University Ave W
Suite 135N
Saint Paul, MN 55114-2002
Phone (651) 646-2427

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
8444MNMDPhysical Therapist
147.001373ILMDAudiologist
000980IAMDHearing Instrument Specialist

Practice roles

OrganizationSpecialtyStatusNew patients
CCM Health Single Specialty CurrentSince Nov 1, 2021 Accepting new patients
BHB Enterprises, Inc. Single Specialty CurrentSince Feb 1, 2010 Accepting new patients
CCM Health CurrentSince Nov 1, 2021 Accepting new patients
Axe Audiology, LLC Single Specialty CurrentSince Nov 1, 2021 Accepting new patients

Locations

1603 Morgan St
Ste 3
Keokuk, IA 52632
Phone (319) 524-3796

824 N 11th St
Montevideo, MN 56265
Phone (320) 269-8877

400 E 1st St
Morris, MN 56267
Phone (320) 589-1313

1700 Highway 36 W
Ste 125
Roseville, MN 55113
Phone (651) 746-0400

2550 University Ave W
Ste 135N
Saint Paul, MN 55114
Phone (651) 644-8993

393 Dunlap St N
Ste 115
Saint Paul, MN 55104
Phone (651) 646-2427

1260 N Johnson St
Kahoka, MO 63445
Phone (660) 727-3303

Organizations & group practices 4

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.

NPI Registry JSON

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

{
    "created_epoch": "1238112000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762819200000",
    "number": "1073755609",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2550 UNIVERSITY AVE W STE 135N",
            "city": "SAINT PAUL",
            "state": "MN",
            "postal_code": "551142002",
            "telephone_number": "651-646-2427"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2550 UNIVERSITY AVE W STE 135N",
            "city": "SAINT PAUL",
            "state": "MN",
            "postal_code": "551142002",
            "telephone_number": "651-646-2427",
            "fax_number": "651-649-3018"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAERZ",
        "first_name": "MELODIE",
        "middle_name": "HARRINGTON",
        "name_prefix": "Dr.",
        "credential": "AUD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2009-03-27",
        "last_updated": "2025-11-11",
        "certification_date": "2025-11-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "237700000X",
            "taxonomy_group": "",
            "desc": "Hearing Instrument Specialist",
            "state": "IA",
            "license": "000980",
            "primary": false
        },
        {
            "code": "231H00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Audiologist",
            "state": "MN",
            "license": "8444",
            "primary": true
        },
        {
            "code": "231H00000X",
            "taxonomy_group": "",
            "desc": "Audiologist",
            "state": "IA",
            "license": "000717",
            "primary": false
        },
        {
            "code": "231H00000X",
            "taxonomy_group": "",
            "desc": "Audiologist",
            "state": "MO",
            "license": "2009021155",
            "primary": false
        },
        {
            "code": "231H00000X",
            "taxonomy_group": "",
            "desc": "Audiologist",
            "state": "IL",
            "license": "147.001373",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "melodie.maerz@associated-hearing.com",
            "affiliation": "N",
            "endpointDescription": "clinic",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "393 Dunlap St N",
            "city": "Saint Paul",
            "state": "MN",
            "country_code": "US",
            "postal_code": "551044200",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Saint Paul, MN

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • 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.