Individual provider Active NPI

Kelly Lauretta Retzlaff, AUD

  • Audiologist
  • Green Bay, WI
National Provider Identifier
1477225407
Registry record updated Oct 23, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
AudiologistTaxonomy code 231H00000X
License
758 Issued in WI
Practice address
2845 Greenbrier Rd
Green Bay, WI 54311-6519
Phone
(920) 288-8000
NPI assigned
Sep 28, 2021
Last updated
Oct 23, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 23, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Audiologist 231H00000X 758 WI Primary

Addresses

Primary practice location

2845 Greenbrier Rd
Green Bay, WI 54311-6519

Mailing address

4525 Paul CT
Green Bay, WI 54313-2412

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20220531001873 WI Practitioner - Qualified Audiologist 3971981184 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Qualified Audiologist
Education
Other, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Baycare Clinic LLPGroup PAC ID 4385554328, 197 clinicians
Bellin Memorial Hospital IncGroup PAC ID 8820900749, 685 clinicians

Practice addresses (Care Compare)

2845 Greenbrier Rd
Green Bay, WI 54311-6519
Phone (920) 288-8250

933 Waube LN
Green Bay, WI 54304-5521
Phone (920) 548-9500

Merit-based Incentive Payment System (MIPS)

Final score
86.21 of 100Reported as group
Quality
78.54
Promoting interoperability
100
Improvement activities
40
Cost
75.5

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
758WIMDAudiologist

Practice roles

OrganizationSpecialtyStatusNew patients
Bellin Memorial Hospital Inc CurrentSince Nov 1, 2025 Accepting new patients
Oconto Hospital & Medical Center Inc CurrentSince Nov 1, 2025 Accepting new patients
Baycare Clinic LLP CurrentSince May 1, 2022 Accepting new patients
Oconto Hospital & Medical Center Inc CurrentSince Nov 1, 2025 Accepting new patients
Bellin Memorial Hospital Inc CurrentSince Nov 1, 2025 Accepting new patients
Baycare Clinic LLP Current Accepting new patients
Bellin Memorial Hospital Inc Current Accepting new patients
Bellin Memorial Hospital Inc Past Accepting new patients

Locations

1035 Kepler Dr
Green Bay, WI 54311

2550 S Ashland Ave
Green Bay, WI 54304
Phone (920) 548-7337

2581 Development Dr
Green Bay, WI 54311
Phone (920) 347-0400

2845 Greenbrier Rd
Green Bay, WI 54311
Phone (920) 288-3388

744 S Webster Ave
Green Bay, WI 54301
Phone (920) 433-6025

933 Waube Ln
Green Bay, WI 54304
Phone (920) 548-9500

1650 S 41st St
Manitowoc, WI 54220
Phone (920) 320-3100

2820 Roosevelt Rd
Marinette, WI 54143
Phone (715) 330-6171

820 Arbutus Ave
Oconto, WI 54153
Phone (920) 835-1100

719 Doctors Ct
Oshkosh, WI 54901
Phone (920) 235-0066

Organizations & group practices 8

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1632787200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761177600000",
    "number": "1477225407",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4525 PAUL CT",
            "city": "GREEN BAY",
            "state": "WI",
            "postal_code": "543132412"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2845 GREENBRIER RD",
            "city": "GREEN BAY",
            "state": "WI",
            "postal_code": "543116519",
            "telephone_number": "920-288-8000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RETZLAFF",
        "first_name": "KELLY",
        "middle_name": "LAURETTA",
        "credential": "AUD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-09-28",
        "last_updated": "2025-10-23",
        "certification_date": "2025-10-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "231H00000X",
            "taxonomy_group": "",
            "desc": "Audiologist",
            "state": "WI",
            "license": "758",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Green Bay, WI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 23, 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.