Aspirus Specialists
Aspirus Specialists holds 6 active organization NPIs in the federal registry, with practice locations in 3 cities in 2 states. 4 list clinic/center as their primary taxonomy; each location can bill under its own NPI.
Search the organization with your city to find the NPI for the location you visit or bill.
Find a location's NPIWausau, WI has the most NPIs, 4
Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.
Most NPIs were issued in 2006 and 2007
Source: CMS NPPES, enumeration dates.
2 NPIs were issued in 2007 alone, more than in any other year; none in 2 of the years between.
Wausau, WI locations
The city with the most Aspirus Specialists NPIs. The full list of all 6 follows.
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1780766998 | 215 N 28TH AVE, Wausau, WI | Oncology Clinic/Center | Oct 19, 2006 |
| 1144375213 | 3200 WESTHILL DR SUITE 102, Wausau, WI | Clinic/Center | Jan 25, 2007 |
| 1487837035 | 425 PINE RIDGE BLVD SUITE 209, Wausau, WI | Clinic/Center | Dec 6, 2007 |
| 1790059996 | 425 WIND RIDGE DR, Wausau, WI | Multi-Specialty Clinic/Center | Mar 6, 2012 |
All 6 locations, by state and city
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1821307323 | N10565 GRANDVIEW LN, Ironwood, MI | Clinic/Center | Sep 30, 2010 |
| 1184879686 | 205 OSCEOLA ST, Laurium, MI | Clinic/Center | Nov 25, 2008 |
| 1780766998 | 215 N 28TH AVE, Wausau, WI | Oncology Clinic/Center | Oct 19, 2006 |
| 1144375213 | 3200 WESTHILL DR SUITE 102, Wausau, WI | Clinic/Center | Jan 25, 2007 |
| 1487837035 | 425 PINE RIDGE BLVD SUITE 209, Wausau, WI | Clinic/Center | Dec 6, 2007 |
| 1790059996 | 425 WIND RIDGE DR, Wausau, WI | Multi-Specialty Clinic/Center | Mar 6, 2012 |
Checking an organization
- Match the NPI to the exact location you will visit or bill; each location can have its own.
- Confirm the business entity with the secretary of state.
- Check the HHS-OIG exclusion list for the organization and its owners.
- Verify each clinician you will see on their own record and with the state license search.
Common questions
Why does Aspirus Specialists have 6 NPIs?
An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Aspirus Specialists's NPIs list practice locations in 3 cities.
Is an organization NPI a license?
No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.
Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.