Active NPI
Cassandra Loretta Silveyra, NP
- Family Nurse Practitioner
- Shawano, WI
National Provider Identifier
1447789375
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Nurse Practitioner
- License
- 18497-33
- Practice address
- 1300 E Green Bay St
Shawano, WI 54166-2210 - Phone
- (920) 496-4700
- NPI assigned
- Jun 5, 2017
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Registered Nurse | 163W00000X | 170715-30 | WI | |
| Family Nurse Practitioner | 363LF0000X | 18497-33 | WI | Primary |
Addresses
Primary practice location
1300 E Green Bay St
Shawano, WI 54166-2210
Mailing address
PO Box 19070
Green Bay, WI 54307-9070
Phone (920) 496-4700
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 100419589 | Medicaid | WI |
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | csilveyra530115@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, 2026
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1300 E Green Bay St
Shawano, WI 54166-2210
Phone (920) 496-4700
3100 Superior Ave
Sheboygan, WI 53081-1948
Phone (920) 459-8300
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Registered Nurse
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 170715 | WI | MD | Registered Nurse |
Organizations & group practices 3
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.
-
dba Prevea Health
- General Practice Physician
- Green Bay, WI
- NPI 1285613638
-
dba Prevea Sheboygan Health Center
- Internal Medicine Physician
- Sheboygan, WI
- NPI 1275799413
-
- Internal Medicine Physician
- Green Bay, WI
- NPI 1306869276
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1496620800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783468800000",
"number": "1447789375",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 19070",
"city": "GREEN BAY",
"state": "WI",
"postal_code": "543079070",
"telephone_number": "920-496-4700"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1300 E GREEN BAY ST",
"city": "SHAWANO",
"state": "WI",
"postal_code": "541662210",
"telephone_number": "920-496-4700"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SILVEYRA",
"first_name": "CASSANDRA",
"middle_name": "LORETTA",
"credential": "NP",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2017-06-05",
"last_updated": "2026-07-08",
"certification_date": "2026-07-08",
"status": "A"
},
"taxonomies": [
{
"code": "163W00000X",
"taxonomy_group": "",
"desc": "Registered Nurse",
"state": "WI",
"license": "170715-30",
"primary": false
},
{
"code": "363LF0000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Family",
"state": "WI",
"license": "18497-33",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "100419589",
"state": "WI"
}
],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "csilveyra530115@ewd.direct.hshs.org",
"affiliation": "N",
"use": "DIRECT",
"useDescription": "Direct",
"contentType": "OTHER",
"contentTypeDescription": "Other",
"contentOtherDescription": "CDA/CCD/TXT",
"address_1": "1300 E Green Bay St",
"city": "Shawano",
"state": "WI",
"country_code": "US",
"postal_code": "541662210",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Shawano, WI
- Shawano-Gresham School District
- Kevin Daniel Sheier, MS, LPC
- Heather Beverly Sheski
- Shopko Stores Operating Co., LLC (Shopko Pharmacy 2215)
- Shoptikal LLC (Shopko Optical 4304)
- Kristina Therese Sipple, D.C.
- Jennifer May Skibba, D.C.
- Nicole Ann Smith-Angwenyi, MSW
- Justine Judy Smith, RPH
- Sarah Christine Smith
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 8, 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.