Active NPI
Nelson Holmberg
- Case Management Registered Nurse
- Madison, WI
National Provider Identifier
1295606549
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Case Management Registered Nurse
- License
- 219613-30
- Practice address
- 600 Highlander Ave
Madison, WI 53792-0001 - Phone
- (608) 263-6400
- NPI assigned
- Sep 17, 2025
- Sex
- Male
- 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 |
|---|---|---|---|---|
| Case Management Registered Nurse | 163WC0400X | 219613-30 | WI | Primary |
Addresses
Primary practice location
600 Highlander Ave
Madison, WI 53792-0001
Mailing address
600 Highlander Ave
Madison, WI 53792-0001
Phone (608) 263-6400
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)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 219613-30 | WI | MD | Case Management Registered Nurse |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1758067200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1758067200000",
"number": "1295606549",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "600 HIGHLANDER AVE",
"city": "MADISON",
"state": "WI",
"postal_code": "537920001",
"telephone_number": "608-263-6400"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "600 HIGHLANDER AVE",
"city": "MADISON",
"state": "WI",
"postal_code": "537920001",
"telephone_number": "608-263-6400"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HOLMBERG",
"first_name": "NELSON",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2025-09-17",
"last_updated": "2025-09-17",
"certification_date": "2025-09-17",
"status": "A"
},
"taxonomies": [
{
"code": "163WC0400X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Registered Nurse, Case Management",
"state": "WI",
"license": "219613-30",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Madison, WI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 17, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.