Individual provider Active NPI

Sarah Elizabeth Haapakoski, APNP

  • Nurse Practitioner
  • West Allis, WI
National Provider Identifier
1184705881
Registry record updated Sep 10, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
2945 Issued in WI
Practice address
8905 W Lincoln Ave
West Allis, WI 53227-2468
Phone
(414) 329-5656
Fax
(414) 329-5939
NPI assigned
Oct 18, 2006
Last updated
Sep 10, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 10, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X 2945 WI Primary
Family Nurse Practitioner 363LF0000X 2945-033 WI

Addresses

Primary practice location

8905 W Lincoln Ave
West Allis, WI 53227-2468

Mailing address

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

Other identifiers 1

IdentifierTypeStateIssuer
36018100MedicaidWI

Other names 1

  • Sarah E Van Duser Former name

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address svanduser625@direct.myadvocateaurora.org Direct
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/

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
I20061129000066 WI Practitioner - Nurse Practitioner 3678571684 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2006
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)

8901 W Lincoln Ave
West Allis, WI 53227-2409
Phone (414) 329-5930

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
2945WIMDPhysician Assistant
2945-033WIMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Aurora Advanced Healthcare, Inc. CurrentSince Aug 10, 2025 Accepting new patients
Aurora Medical Group, Inc. CurrentSince Oct 20, 2006 Accepting new patients
Aurora Medical Group, Inc. Current Accepting new patients
Aurora Advanced Healthcare Inc CurrentSince Aug 10, 2025 Accepting new patients
Aurora Medical Group, Inc. CurrentSince Oct 20, 2006 Accepting new patients
Aurora Medical Group, Inc. Past Accepting new patients

Locations

12500 W Bluemound Rd
Elm Grove, WI 53122
Phone (262) 780-3434

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

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

1020 N 12th St
Milwaukee, WI 53233
Phone (414) 219-3056

2801 W Kinnickinnic River Pkwy
Ste 575
Milwaukee, WI 53215
Phone (414) 643-8800

36500 Aurora Dr
Summit, WI 53066
Phone (262) 434-1000

915 Summit Ave
Summit, WI 53066
Phone (262) 569-2300

8901 W Lincoln Ave
West Allis, WI 53227
Phone (414) 328-6000

8905 W Lincoln Ave
West Allis, WI 53227
Phone (414) 328-6000

Interoperability endpoints

  • Direct secure messaging: svanduser625@direct.myadvocateaurora.org

Organizations & group practices 6

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.

Hospital & facility affiliations 6

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": "1161129600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757462400000",
    "number": "1184705881",
    "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": "8905 W LINCOLN AVE",
            "city": "WEST ALLIS",
            "state": "WI",
            "postal_code": "532272468",
            "telephone_number": "414-329-5656",
            "fax_number": "414-329-5939"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAAPAKOSKI",
        "first_name": "SARAH",
        "middle_name": "ELIZABETH",
        "name_prefix": "Mrs.",
        "credential": "APNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-10-18",
        "last_updated": "2025-09-10",
        "certification_date": "2025-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "WI",
            "license": "2945",
            "primary": true
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "WI",
            "license": "2945-033",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "36018100",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "svanduser625@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "8901 W Lincoln Ave",
            "city": "West Allis",
            "state": "WI",
            "country_code": "US",
            "postal_code": "532272409",
            "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": "8901 W Lincoln Ave",
            "city": "West Allis",
            "state": "WI",
            "country_code": "US",
            "postal_code": "532272409",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "SARAH",
            "last_name": "VAN DUSER",
            "middle_name": "E",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in West Allis, WI

Sources for this page

Verify at the official NPI Registry.