Individual provider Active NPI

Keirsen Muffler, MA, CCC-A

  • Audiologist-Hearing Aid Fitter
  • Milwaukee, WI
National Provider Identifier
1114139409
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Audiologist-Hearing Aid FitterTaxonomy code 237600000X
License
283-156 Issued in WI
Practice address
2315 N Lake Dr
Suite 1005
Milwaukee, WI 53211-4518
Phone
(414) 271-4141
Fax
(414) 271-4343
NPI assigned
May 7, 2007
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Audiologist 231H00000X 283-156 WI
Audiologist-Hearing Aid Fitter 237600000X 283-156 WI Primary

Addresses

Primary practice location

2315 N Lake Dr
Suite 1005
Milwaukee, WI 53211-4518

Mailing address

13205 W Cleveland Ave
New Berlin, WI 53151-3901
Phone (262) 785-1160

Other identifiers 1

IdentifierTypeStateIssuer
4113000MedicaidWI

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20240228003439 WI Practitioner - Qualified Audiologist 5890130991 Reassigns benefits to 1 organization

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
Columbia St Marys Hospital Milwaukee IncGroup PAC ID 5890604722, 311 clinicians

Practice addresses (Care Compare)

2311 N Prospect Ave
Milwaukee, WI 53211-4445
Phone (414) 319-3000

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Master of Arts

State licenses

LicenseStateTypeSpecialty
283-156WIMDAudiologist-Hearing Aid Fitter

Practice roles

OrganizationSpecialtyStatusNew patients
Columbia St. Mary'S Hospital Milwaukee Inc CurrentSince Jan 15, 2024 Accepting new patients
Columbia St. Mary'S Hospital Milwaukee, Inc CurrentSince Jan 15, 2024 Accepting new patients
ENT Associates SC Past Accepting new patients
Columbia St. Mary'S Hospital Milwaukee, Inc Past Accepting new patients

Locations

2311 N Prospect Ave
Milwaukee, WI 53211
Phone (414) 319-3000

801 S 70th St
West Allis, WI 53214
Phone (414) 773-6600

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": "1178496000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1114139409",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "13205 W CLEVELAND AVE",
            "city": "NEW BERLIN",
            "state": "WI",
            "postal_code": "531513901",
            "telephone_number": "262-785-1160"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2315 N LAKE DR",
            "address_2": "SUITE 1005",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532114518",
            "telephone_number": "414-271-4141",
            "fax_number": "414-271-4343"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MUFFLER",
        "first_name": "KEIRSEN",
        "credential": "MA, CCC-A",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-05-07",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "231H00000X",
            "taxonomy_group": "",
            "desc": "Audiologist",
            "state": "WI",
            "license": "283-156",
            "primary": false
        },
        {
            "code": "237600000X",
            "taxonomy_group": "",
            "desc": "Audiologist-Hearing Aid Fitter",
            "state": "WI",
            "license": "283-156",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "4113000",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Milwaukee, WI

Sources for this page

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