Active NPI
Sarah L Wassink, APNP
- Nurse Practitioner
- Sheboygan, WI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Nurse Practitioner
- License
- 4529-33
- Practice address
- 3100 Superior Ave
Sheboygan, WI 53081-1994 - Phone
- (920) 459-8300
- NPI assigned
- Sep 21, 2011
- Last updated
- Jan 6, 2026
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| 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
Enrollment records 1
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
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
| License | State | Type | Specialty |
|---|---|---|---|
| 4529-33 | WI | MD | Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| St. Vincent Hospital-Hospital Sisters-Third Order of St. Francis | Current | Accepting new patients | |
| St Vincent Hospital-Hospital Sisters-Third Order of St Francis | Current | Accepting new patients | |
| St Nicholas Hospital-Sisters of the Third Order of St Francis | Current | Accepting new patients | |
| St Mary's Hospital Medical Center of Green Bay Inc.-Hospital Sisters | Current | Accepting new patients | |
| Oak Medical SC | Current | Accepting new patients | |
| St Vincent Hospital-Hospital Sisters-Third Order of St Francis | Nurse Practitioner | Current | Accepting new patients |
| St Clare Memorial Hospital, Inc | Current | Accepting new patients | |
| St. Clare Memorial Hospital, Inc | Current | 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
- 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.
-
- Internal Medicine Physician
- Waukesha, WI
- NPI 1669910345
-
- General Acute Care Hospital
- Green Bay, WI
- NPI 1649246877
-
dba St. Nicholas Hospital
- Internal Medicine Physician
- Sheboygan, WI
- NPI 1447737762
-
dba St Vincent Hospital Physician Service Group
- Internal Medicine Physician
- Green Bay, WI
- NPI 1689694911
Nurse Practitioner
-
- Critical Access Hospital
- Oconto Falls, WI
- NPI 1851477913
-
dba Prevea Health
- Durable Medical Equipment & Medical Supplies
- Green Bay, WI
- NPI 1245042530
-
dba HSHS SCO Regional Surgery Center Marinette
- Surgery Physician
- Marinette, WI
- NPI 1962861294
-
dba St. Vincent Regional Cancer Center
- Hematology & Oncology Physician
- Green Bay, WI
- NPI 1184004236
-
- Physical Medicine & Rehabilitation Physician
- Waukesha, WI
- NPI 1487152104
-
dba Prevea Sheboygan Health Center
- Internal Medicine Physician
- Sheboygan, WI
- NPI 1275799413
Hospital & facility affiliations 10
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Froedtert Holy Family Memorial Hospital
- General Acute Care Hospital
- Manitowoc, WI
- NPI 1700998697
-
dba Sharon S. Richardson Community Hospice, Inc.
- Community Based Hospice Care Agency
- Sheboygan Falls, WI
- NPI 1598855207
-
- General Acute Care Hospital
- Green Bay, WI
- NPI 1649246877
-
dba St. Nicholas Hospital Renal Dialysis
- End-Stage Renal Disease (ESRD) Treatment Clinic/Center
- Sheboygan, WI
- NPI 1427009992
Hospital
-
dba St Vincent Hospital
- General Acute Care Hospital
- Green Bay, WI
- NPI 1114908001
-
dba St Nicholas Hospital
- General Acute Care Hospital
- Sheboygan, WI
- NPI 1730184342
-
dba St. Vincent Regional Cancer Center
- Hematology & Oncology Physician
- Sheboygan, WI
- NPI 1831784636
Hospital
-
dba St. Vincent Regional Cancer Center
- Hematology & Oncology Physician
- Green Bay, WI
- NPI 1184004236
Hospital
-
dba St. Vincent Regional Cancer Center
- Hematology & Oncology Physician
- Oconto Falls, WI
- NPI 1750760740
Hospital
-
dba St. Vincent Regional Cancer Center
- Hematology & Oncology Physician
- Sturgeon Bay, WI
- NPI 1760861751
Hospital
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 6, 2026; 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.