Active NPI
Kathy Osterhaus-Kegel, P.A.
- Physician Assistant
- West Allis, WI
National Provider Identifier
1144297722
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- License
- 651-023
- Practice address
- 555 S 108TH St
West Allis, WI 53214-1100 - Phone
- (414) 566-6400
- Fax
- (414) 566-3866
- NPI assigned
- Mar 2, 2006
- 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 |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | 651-023 | WI | Primary |
Addresses
Primary practice location
555 S 108TH St
West Allis, WI 53214-1100
Mailing address
555 S 108TH St
West Allis, WI 53214-1100
Phone (414) 566-6400
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Physician Assistant
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 651 | WI | MD | Speech-Language Pathologist |
| 651-023 | WI | MD | Physician Assistant |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1141257600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1144297722",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "555 S 108TH ST",
"city": "WEST ALLIS",
"state": "WI",
"postal_code": "532141100",
"telephone_number": "414-566-6400",
"fax_number": "414-566-3866"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "555 S 108TH ST",
"city": "WEST ALLIS",
"state": "WI",
"postal_code": "532141100",
"telephone_number": "414-566-6400",
"fax_number": "414-566-3866"
}
],
"practiceLocations": [],
"basic": {
"last_name": "OSTERHAUS-KEGEL",
"first_name": "KATHY",
"name_prefix": "Mrs.",
"credential": "P.A.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-03-02",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "WI",
"license": "651-023",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in West Allis, WI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.