Individual provider Active NPI

Courtney Marie Sterzinger

  • Physician Assistant
  • Waukesha, WI
National Provider Identifier
1922976323
Registry record updated Jun 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
8608-23 Issued in WI
Practice address
N20W22961 Watertown Rd
Waukesha, WI 53186-1308
Phone
(262) 875-5070
Fax
(866) 384-9486
NPI assigned
Oct 27, 2025
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 24, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 8608-23 WI Primary

Addresses

Primary practice location

N20W22961 Watertown Rd
Waukesha, WI 53186-1308

Mailing address

N20W22961 Watertown Rd
Waukesha, WI 53186-1308
Phone (262) 875-5070

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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20251121003033 WI Practitioner - Physician Assistant 7719479286 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Oak Medical SCGroup PAC ID 0042595175, 118 clinicians

Practice addresses (Care Compare)

700 Clark St
Lodi, WI 53555-1010
Phone (608) 592-3241

Hospital & facility affiliations

  • Holy Family Memorial Hospital, Manitowoc, WI, CCN 520107

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
8608-23WIMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Maple Medical SC CurrentSince Dec 15, 2025 Accepting new patients
Oak Medical SC CurrentSince Dec 15, 2025 Accepting new patients

Locations

700 Clark St
Lodi, WI 53555
Phone (608) 592-3241

N20W22961 Watertown Rd
Waukesha, WI 53186
Phone (262) 875-5070

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 1

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": "1761523200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782259200000",
    "number": "1922976323",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "N20W22961 WATERTOWN RD",
            "city": "WAUKESHA",
            "state": "WI",
            "postal_code": "531861308",
            "telephone_number": "262-875-5070",
            "fax_number": "866-384-9486"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "N20W22961 WATERTOWN RD",
            "city": "WAUKESHA",
            "state": "WI",
            "postal_code": "531861308",
            "telephone_number": "262-875-5070",
            "fax_number": "866-384-9486"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STERZINGER",
        "first_name": "COURTNEY",
        "middle_name": "MARIE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-10-27",
        "last_updated": "2026-06-24",
        "certification_date": "2026-06-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "WI",
            "license": "8608-23",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Waukesha, WI

Sources for this page

Verify at the official NPI Registry.