Individual provider Active NPI

Kathleen P Penzenstadler, M.D.

  • Gynecology Physician
  • Franklin, WI
National Provider Identifier
1326427824
Registry record updated Jul 24, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gynecology PhysicianTaxonomy code 207VG0400X
License
71468 Issued in WI
Practice address
4202 W Oakwood Park CT Ste 120
Franklin, WI 53132-9565
Phone
(414) 855-2800
NPI assigned
May 29, 2015
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 24, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gynecology Physician 207VG0400X 71468 WI Primary

Addresses

Primary practice location

4202 W Oakwood Park CT Ste 120
Franklin, WI 53132-9565

Mailing address

PO Box 735044
Chicago, IL 60673-5044
Phone (800) 326-2250

Other identifiers 1

IdentifierTypeStateIssuer
100091203MedicaidWI

Electronic endpoints 2

TypeEndpointUseAffiliation
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/
Direct Messaging Address kpenzenstadler230964@direct.myadvocateaurora.org Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20190814002621 WI Practitioner - Obstetrics/Gynecology 2860709508 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Obstetrics/Gynecology
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Aurora Advanced Healthcare, Inc.Group PAC ID 3375625833, 1,107 clinicians

Practice addresses (Care Compare)

4202 W Oakwood Park CT
Suite 120
Franklin, WI 53132-9565
Phone (414) 855-2800

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
71468WIMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
Aurora Advanced Healthcare, Inc. CurrentSince Aug 26, 2019 Accepting new patients
Aurora Advanced Healthcare Inc CurrentSince Aug 26, 2019 Accepting new patients

Locations

4202 W Oakwood Park Ct
Ste 120
Franklin, WI 53132
Phone (414) 855-2800

3003 W Good Hope Rd
Glendale, WI 53209
Phone (414) 352-3100

12203 N Corporate Pkwy
Mequon, WI 53092
Phone (262) 387-8200

3301 W Forest Home Ave
Milwaukee, WI 53215
Phone (414) 389-2233

8905 W Lincoln Ave
Ste 501
West Allis, WI 53227
Phone (414) 978-2229

Interoperability endpoints

  • Direct secure messaging: kpenzenstadler230964@direct.myadvocateaurora.org

Organizations & group practices 2

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.

Hospital & facility affiliations 2

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1432857600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753315200000",
    "number": "1326427824",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 735044",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606735044",
            "telephone_number": "800-326-2250"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4202 W OAKWOOD PARK CT STE 120",
            "city": "FRANKLIN",
            "state": "WI",
            "postal_code": "531329565",
            "telephone_number": "414-855-2800"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PENZENSTADLER",
        "first_name": "KATHLEEN",
        "middle_name": "P",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-05-29",
        "last_updated": "2025-07-24",
        "certification_date": "2025-07-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207VG0400X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Gynecology",
            "state": "WI",
            "license": "71468",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100091203",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "4202 W Oakwood Park Ct Ste 120",
            "city": "Franklin",
            "state": "WI",
            "country_code": "US",
            "postal_code": "531329565",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "kpenzenstadler230964@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "4202 W Oakwood Park Ct Ste 120",
            "city": "Franklin",
            "state": "WI",
            "country_code": "US",
            "postal_code": "531329565",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Franklin, WI

Sources for this page

Verify at the official NPI Registry.