Lexi Lederhaus, MSN, FNP

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

14891 Issued in WI

Practice address

146 E Geneva SQ
Lake Geneva, WI 53147-9695

Phone

(262) 249-5000

Fax

(262) 249-7143

NPI assigned

Jan 9, 2024

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Other identifiers 1

Electronic endpoints 2

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

Specialty

Nurse Practitioner

Education

Other, 2023

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Aurora Medical Group, Inc.Group PAC ID 6709794258, 3,764 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Aurora at Home Home health agency, Milwaukee, WI, CCN 527001
• Aurora Memorial Hospital Burlington Hospital, Burlington, WI, CCN 520059
• Aurora Lakeland Medical Center Hospital, Elkhorn, WI, CCN 520102

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Science - Nursing, Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: llederhaus426434@direct.myadvocateaurora.org

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.

• Aurora Medical Group, Inc.

  • Certified Registered Nurse Anesthetist
  • Milwaukee, WI
  • NPI 1427271378
  Medicare reassignment Care Compare group NPD
• Ascension Medical Group-Southeast Wisconsin Inc

  • Internal Medicine Physician
  • Glendale, WI
  • NPI 1609881077

  Nurse Practitioner

  Medicare reassignment NPD
• Aurora Medical Group, Inc.

  • Durable Medical Equipment & Medical Supplies
  • Oshkosh, WI
  • NPI 1326858044
  NPD
• Aurora Medical Group, Inc.

  • Durable Medical Equipment & Medical Supplies
  • Manitowoc, WI
  • NPI 1801941075
  NPD (past)

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

• Aurora Health Care Southern Lakes, Inc.

  • General Acute Care Hospital
  • Burlington, WI
  • NPI 1861557753
  Care Compare affiliation
• Aurora Health Care Southern Lakes, Inc.

  • General Acute Care Hospital
  • Elkhorn, WI
  • NPI 1972628006
  Care Compare affiliation
• Visiting Nurse Association of Wisconsin, Inc.

  • Home Health Agency
  • West Allis, WI
  • NPI 1134255037
  Care Compare affiliation

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

{
    "created_epoch": "1704758400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750809600000",
    "number": "1164293262",
    "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": "146 E GENEVA SQ",
            "city": "LAKE GENEVA",
            "state": "WI",
            "postal_code": "531479695",
            "telephone_number": "262-249-5000",
            "fax_number": "262-249-7143"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2408 4 Mile Rd",
            "address_purpose": "LOCATION",
            "city": "Caledonia",
            "state": "WI",
            "postal_code": "534022091",
            "country_code": "US",
            "telephone_number": "262-687-5995",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LEDERHAUS",
        "first_name": "LEXI",
        "credential": "MSN, FNP",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2024-01-09",
        "last_updated": "2025-06-25",
        "certification_date": "2025-06-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "WI",
            "license": "14891",
            "primary": true
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "WI",
            "license": "14891-33",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100267720",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "llederhaus426434@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "146 E Geneva Sq",
            "city": "Lake Geneva",
            "state": "WI",
            "country_code": "US",
            "postal_code": "531479695",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "146 E Geneva Sq",
            "city": "Lake Geneva",
            "state": "WI",
            "country_code": "US",
            "postal_code": "531479695",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Lauren Lange, OT
• Mervin J Langley, LCSW
• Clayton Lanham, MD
• Lauras Home LLC
• Meggan Kathleen Lazzaroni, APSW
• Monara Beth Ledtke, AU.D.
• Jelka Leedle, APNP
• Tara Leiting, APNP
• Sherry E Lemke I, LCPC,CADC,MT-BC,MA
• Dean Leptich

• Nurse Practitioner in Lake Geneva, WI
• Providers in Lake Geneva, WI by specialty
• Nurse Practitioner in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 25, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.