Active NPI
Nicholas Hirsch
- Perfusionist
- Milwaukee, WI
National Provider Identifier
1356295406
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Perfusionist
- License
- 554-18
- Practice address
- 900 N 92ND St
Milwaukee, WI 53226-1202 - Phone
- (414) 805-3000
- NPI assigned
- Feb 25, 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 |
|---|---|---|---|---|
| Perfusionist | 242T00000X | 554-18 | WI | Primary |
Addresses
Primary practice location
900 N 92ND St
Milwaukee, WI 53226-1202
Mailing address
14600 W Fairfield Dr
New Berlin, WI 53151-1205
Phone (262) 498-7619
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 |
|---|---|---|---|
| 554-18 | WI | MD | Perfusionist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1771977600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1771977600000",
"number": "1356295406",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "14600 W FAIRFIELD DR",
"city": "NEW BERLIN",
"state": "WI",
"postal_code": "531511205",
"telephone_number": "262-498-7619"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "900 N 92ND ST",
"city": "MILWAUKEE",
"state": "WI",
"postal_code": "532261202",
"telephone_number": "414-805-3000"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HIRSCH",
"first_name": "NICHOLAS",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2026-02-25",
"last_updated": "2026-02-25",
"certification_date": "2026-02-25",
"status": "A"
},
"taxonomies": [
{
"code": "242T00000X",
"taxonomy_group": "",
"desc": "Perfusionist",
"state": "WI",
"license": "554-18",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"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 Feb 25, 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.