Individual provider Active NPI

Marina Kovacevic Horschak, FNP

  • Family Nurse Practitioner
  • Sussex, WI
National Provider Identifier
1134548274
Registry record updated Jul 22, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
5526-33 Issued in WI
Practice address
N51W24953 Lisbon Rd
Sussex, WI 53089
Phone
(414) 699-5808
NPI assigned
Apr 15, 2014
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 22, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X 5526-33 WI Primary

Addresses

Primary practice location

N51W24953 Lisbon Rd
Sussex, WI 53089

Mailing address

N51W24593 Lisbon Rd
Sussex, WI 53089
Phone (414) 699-5808

Other identifiers 1

IdentifierTypeStateIssuer
100039112MedicaidWI

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
I20140812001453 WI Practitioner - Nurse Practitioner 2668699851 Reassigns benefits to 1 organization

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
5526-33WIMDFamily Nurse Practitioner

Interoperability endpoints

  • Direct secure messaging: mhorschak151484@direct.myadvocateaurora.org

Organizations & group practices 14

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.

View all 14

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Froedtert Andthe Medical College of Wisconsin Community Physicians Inc 1,265 clinicians

Practice addresses (Care Compare)

1155 N Mayfair Rd
Wauwatosa, WI 53226-3462
Phone (414) 955-5990

2180 S Main St
West Bend, WI 53095-5754
Phone (262) 532-3127

W168N11237 Western Ave
Germantown, WI 53022-3239
Phone (262) 253-5060

NPI Registry JSON

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

{
    "created_epoch": "1397520000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784678400000",
    "number": "1134548274",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "N51W24593 LISBON RD",
            "city": "SUSSEX",
            "state": "WI",
            "postal_code": "53089",
            "telephone_number": "414-699-5808"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "N51W24953 LISBON RD",
            "city": "SUSSEX",
            "state": "WI",
            "postal_code": "53089",
            "telephone_number": "414-699-5808"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HORSCHAK",
        "first_name": "MARINA",
        "middle_name": "KOVACEVIC",
        "name_prefix": "Mrs.",
        "credential": "FNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-04-15",
        "last_updated": "2026-07-22",
        "certification_date": "2026-07-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "WI",
            "license": "5526-33",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100039112",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Sussex, WI

Sources for this page

Verify at the official NPI Registry.