Individual provider Active NPI

Sarah L Wassink, APNP

  • Nurse Practitioner
  • Sheboygan, WI
National Provider Identifier
1255614830
Registry record updated Jan 6, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
4529-33 Issued in WI
Practice address
3100 Superior Ave
Sheboygan, WI 53081-1994
Phone
(920) 459-8300
NPI assigned
Sep 21, 2011
Last updated
Jan 6, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 6, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X 4529-33 WI Primary

Addresses

Primary practice location

3100 Superior Ave
Sheboygan, WI 53081-1994

Mailing address

3100 Superior Ave
Sheboygan, WI 53081-1994
Phone (920) 459-8300

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address epeppin82141@ewd.direct.hshs.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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20111012000092 WI Practitioner - Nurse Practitioner 0941472104 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2011
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Oak Medical SCGroup PAC ID 0042595175, 118 clinicians

Practice addresses (Care Compare)

1300 W Silver Spring Dr
Glendale, WI 53209-4415
Phone (414) 228-8120

1726 Shawano Ave
Green Bay, WI 54303-3216
Phone (920) 498-4200

3100 Superior Ave
Sheboygan, WI 53081-1948
Phone (920) 459-8300

835 S Van Buren St
Green Bay, WI 54301-3526
Phone (920) 433-0111

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
4529-33WIMDNurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
St. Vincent Hospital-Hospital Sisters-Third Order of St. Francis CurrentSince Dec 1, 2025 Accepting new patients
St Vincent Hospital-Hospital Sisters-Third Order of St Francis CurrentSince Dec 1, 2025 Accepting new patients
St Nicholas Hospital-Sisters of the Third Order of St Francis CurrentSince Dec 1, 2025 Accepting new patients
St Mary's Hospital Medical Center of Green Bay Inc.-Hospital Sisters CurrentSince Dec 1, 2025 Accepting new patients
Oak Medical SC CurrentSince Sep 8, 2023 Accepting new patients
St Vincent Hospital-Hospital Sisters-Third Order of St Francis Nurse Practitioner Current Accepting new patients
St Clare Memorial Hospital, Inc CurrentSince Dec 1, 2025 Accepting new patients
St. Clare Memorial Hospital, Inc CurrentSince Dec 1, 2025 Accepting new patients
St. Nicholas Hospital-Sisters of the Third Order of St Francis Past Accepting new patients
Maple Medical SC Past Accepting new patients

Locations

1300 W Silver Spring Dr
Glendale, WI 53209
Phone (414) 228-8120

1726 Shawano Ave
Green Bay, WI 54303
Phone (920) 432-6016

835 S Van Buren St
Green Bay, WI 54301
Phone (888) 901-7246

855 S Main St
Ste 1
Oconto Falls, WI 54154
Phone (920) 846-8187

3100 Superior Ave
Sheboygan, WI 53081
Phone (800) 472-6710

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

Interoperability endpoints

  • Direct secure messaging: epeppin82141@ewd.direct.hshs.org

Organizations & group practices 10

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 10

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": "1316563200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767657600000",
    "number": "1255614830",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3100 SUPERIOR AVE",
            "city": "SHEBOYGAN",
            "state": "WI",
            "postal_code": "530811994",
            "telephone_number": "920-459-8300"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3100 SUPERIOR AVE",
            "city": "SHEBOYGAN",
            "state": "WI",
            "postal_code": "530811994",
            "telephone_number": "920-459-8300"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WASSINK",
        "first_name": "SARAH",
        "middle_name": "L",
        "credential": "APNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2011-09-21",
        "last_updated": "2026-01-06",
        "certification_date": "2026-01-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "WI",
            "license": "4529-33",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "epeppin82141@ewd.direct.hshs.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CDA/CCD/TXT",
            "address_1": "3100 Superior Ave",
            "city": "Sheboygan",
            "state": "WI",
            "country_code": "US",
            "postal_code": "530811994",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Sheboygan, WI

Sources for this page

Verify at the official NPI Registry.