Active NPI
George F Kroker, M.D.
- Allergy & Immunology Physician
- La Crosse, WI
National Provider Identifier
1477503357
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Allergy & Immunology Physician
- License
- 23650
- Practice address
- 615 10TH St S
La Crosse, WI 54601-4768 - Phone
- (608) 782-2027
- NPI assigned
- May 11, 2006
- Last updated
- Jul 13, 2026
- Sex
- Male
- 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 |
|---|---|---|---|---|
| Allergy & Immunology Physician | 207K00000X | 23650 | WI | Primary |
Addresses
Primary practice location
615 10TH St S
La Crosse, WI 54601-4768
Mailing address
2532 Edgewood PL
La Crosse, WI 54601-3933
Phone (608) 782-5378
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0970640 | Medicaid | IA | |
| 30376700 | Medicaid | WI |
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
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 23650 | WI | MD | Allergy & Immunology Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1147305600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1477503357",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2532 EDGEWOOD PL",
"city": "LA CROSSE",
"state": "WI",
"postal_code": "546013933",
"telephone_number": "608-782-5378"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "615 10TH ST S",
"city": "LA CROSSE",
"state": "WI",
"postal_code": "546014768",
"telephone_number": "608-782-2027"
}
],
"practiceLocations": [],
"basic": {
"last_name": "KROKER",
"first_name": "GEORGE",
"middle_name": "F",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-05-11",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207K00000X",
"taxonomy_group": "",
"desc": "Allergy & Immunology",
"state": "WI",
"license": "23650",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "0970640",
"state": "IA"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "30376700",
"state": "WI"
}
],
"endpoints": [],
"other_names": []
}
Other providers in La Crosse, 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.