Active NPI
Joshua B Wirtz, PHARMD
- Emergency Medicine Pharmacist
- Madison, WI
National Provider Identifier
1659246825
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Emergency Medicine Pharmacist
- License
- 21346-40
- Practice address
- 4602 Eastpark Blvd
Madison, WI 53718-2002 - Phone
- (608) 440-6400
- NPI assigned
- Oct 8, 2025
- Last updated
- Oct 8, 2025
- Sex
- Unspecified or another gender identity
- 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 |
|---|---|---|---|---|
| Emergency Medicine Pharmacist | 1835E0208X | 21346-40 | WI | Primary |
Addresses
Primary practice location
4602 Eastpark Blvd
Madison, WI 53718-2002
Mailing address
451 W Wilson St Apt 303
Madison, WI 53703-4669
Phone (208) 308-7610
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
- Credentials
- Doctor of Pharmacy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 21346-40 | WI | MD | Medical license number |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1759881600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1759881600000",
"number": "1659246825",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "451 W WILSON ST APT 303",
"city": "MADISON",
"state": "WI",
"postal_code": "537034669",
"telephone_number": "208-308-7610"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4602 EASTPARK BLVD",
"city": "MADISON",
"state": "WI",
"postal_code": "537182002",
"telephone_number": "608-440-6400"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WIRTZ",
"first_name": "JOSHUA",
"middle_name": "B",
"credential": "PHARMD",
"sole_proprietor": "NO",
"sex": "X",
"enumeration_date": "2025-10-08",
"last_updated": "2025-10-08",
"certification_date": "2025-10-08",
"status": "A"
},
"taxonomies": [
{
"code": "1835E0208X",
"taxonomy_group": "",
"desc": "Pharmacist, Emergency Medicine",
"state": "WI",
"license": "21346-40",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Madison, WI
- Camille Jean Wirkus
- Marcia L Wirt, MD
- Michael Wirth, DC
- Peter Wirth, MD
- Alanna Wirtz, DDS
- Autumn L Wischnefski
- Wisconsin Care Solutions Corporation
- Wisconsin Care Transportation LLC
- Wisconsin Council of the Blind and Visually Impaired, Inc (Sharper Vision Store)
- Wisconsin CVS Pharmacy LLC (CVS Pharmacy #16450)
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 8, 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.