Active NPI
Nicolette Karls
- Physician Assistant
- Milwaukee, WI
National Provider Identifier
1013746544
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- Practice address
- 2900 W Oklahoma Ave
Milwaukee, WI 53215-4330 - Phone
- (414) 649-7299
- NPI assigned
- Aug 1, 2024
- Sex
- Unspecified or another gender identity
- Sole proprietor
- Yes
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 | Primary |
Addresses
Primary practice location
2900 W Oklahoma Ave
Milwaukee, WI 53215-4330
Mailing address
PO Box 735044
Chicago, IL 60673-5044
Phone (800) 326-2250
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 100294088 | Medicaid | WI |
Electronic endpoints 2
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| FHIR URL | https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/ | ||
| Direct Messaging Address | nkarls244205@direct.myadvocateaurora.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
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20241030000652 | WI | Practitioner - Physician Assistant | 4284167206 | Reassigns benefits to 1 organization |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Physician Assistant
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Milwaukee Radiologists LTD | Current | Accepting new patients |
Locations
2900 W Oklahoma Ave
Milwaukee, WI 53215
Phone (414) 385-2590
Organizations & group practices 2
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Diagnostic Radiology Physician
- Greenfield, WI
- NPI 1568564904
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1722470400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1788134400000",
"number": "1013746544",
"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": "2900 W OKLAHOMA AVE",
"city": "MILWAUKEE",
"state": "WI",
"postal_code": "532154330",
"telephone_number": "414-649-7299"
}
],
"practiceLocations": [],
"basic": {
"last_name": "KARLS",
"first_name": "NICOLETTE",
"sole_proprietor": "YES",
"sex": "X",
"enumeration_date": "2024-08-01",
"last_updated": "2026-08-31",
"certification_date": "2026-08-31",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "100294088",
"state": "WI"
}
],
"endpoints": [
{
"endpointType": "FHIR",
"endpointTypeDescription": "FHIR URL",
"endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
"affiliation": "N",
"address_1": "2900 W Oklahoma Ave",
"city": "Milwaukee",
"state": "WI",
"country_code": "US",
"postal_code": "532154330",
"country_name": "United States",
"address_type": "DOM"
},
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "nkarls244205@direct.myadvocateaurora.org",
"affiliation": "N",
"use": "DIRECT",
"useDescription": "Direct",
"address_1": "2900 W Oklahoma Ave",
"city": "Milwaukee",
"state": "WI",
"country_code": "US",
"postal_code": "532154330",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Milwaukee, WI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 31, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.