Herslof S
Herslof S holds 28 active organization NPIs in the federal registry, with practice locations in 18 Wisconsin cities. All list optician 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 NPIMilwaukee has the most NPIs, 6
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.
27 NPIs were issued in 2007 alone, more than in any other year.
Milwaukee locations
The city with the most Herslof S NPIs. The full list of all 28 follows.
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1720057482 | 12000 W CARMEN AVE, Milwaukee | Optician | Mar 15, 2006 |
| 1245369735 | 7878 N 76TH ST, Milwaukee | Optician | Mar 2, 2007 |
| 1083743587 | 2000 E LAYTON AVE SUITE 110, Milwaukee | Optician | Mar 2, 2007 |
| 1457480956 | 3631 W OKLAHOMA AVE, Milwaukee | Optician | Mar 2, 2007 |
| 1205965761 | 2315 N LAKE DR, Milwaukee | Optician | Mar 2, 2007 |
| 1952430456 | 130 E CAPITOL DR, Milwaukee | Optician | Mar 2, 2007 |
All 28 locations, by city
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1770612269 | 1195 N CASALOMA DR, Appleton | Optician | Mar 2, 2007 |
| 1205965837 | 5616 S 108TH ST, Hales Corners | Optician | Mar 2, 2007 |
| 1619006103 | 1251 BELL AVE, Hartford | Optician | Mar 2, 2007 |
| 1912036419 | 8500 75TH ST SUITE 103, Kenosha | Optician | Mar 2, 2007 |
| 1467581942 | 2120 63RD ST, Kenosha | Optician | Mar 2, 2007 |
| 1295864775 | W176N9328 RIVER CREST DR, Menomonee Falls | Optician | Mar 2, 2007 |
| 1124157607 | 11307 N PORT WASHINGTON RD, Mequon | Optician | Mar 2, 2007 |
| 1467581447 | 1249 W LIEBAU RD, Mequon | Optician | Mar 5, 2007 |
| 1720057482 | 12000 W CARMEN AVE, Milwaukee | Optician | Mar 15, 2006 |
| 1245369735 | 7878 N 76TH ST, Milwaukee | Optician | Mar 2, 2007 |
| 1083743587 | 2000 E LAYTON AVE SUITE 110, Milwaukee | Optician | Mar 2, 2007 |
| 1457480956 | 3631 W OKLAHOMA AVE, Milwaukee | Optician | Mar 2, 2007 |
| 1205965761 | 2315 N LAKE DR, Milwaukee | Optician | Mar 2, 2007 |
| 1952430456 | 130 E CAPITOL DR, Milwaukee | Optician | Mar 2, 2007 |
| 1376672840 | 3556 S MOORLAND RD, New Berlin | Optician | Mar 2, 2007 |
| 1932238409 | 888 THACKERAY TRL, Oconomowoc | Optician | Mar 2, 2007 |
| 1699804161 | 1855 S KOELLER ST, Oshkosh | Optician | Mar 2, 2007 |
| 1255460713 | 1300 CAPITOL DR, Pewaukee | Optician | Mar 2, 2007 |
| 1285763748 | 5802 WASHINGTON AVE, Racine | Optician | Mar 2, 2007 |
| 1649309725 | 524 MAIN ST SUITE 101, Racine | Optician | Mar 5, 2007 |
| 1871622373 | 620 E GREEN BAY AVE, Saukville | Optician | Mar 2, 2007 |
| 1518096072 | 3108 S BUSINESS DR, Sheboygan | Optician | Mar 2, 2007 |
| 1255469870 | 821 MEADOWBROOK RD, Waukesha | Optician | Mar 2, 2007 |
| 1568591105 | 2500 N MAYFAIR RD, Wauwatosa | Optician | Mar 2, 2007 |
| 1932238425 | 2300 N MAYFAIR RD SUITE 1030, Wauwatosa | Optician | Mar 2, 2007 |
| 1427187533 | 2500 N MAYFAIR RD, Wauwatosa | Optician | Mar 5, 2007 |
| 1063542603 | 5595 COUNTY ROAD Z, West Bend | Optician | Mar 6, 2007 |
| 1710015342 | 411 E SILVER SPRING DR, Whitefish Bay | Optician | Mar 2, 2007 |
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 Herslof S have 28 NPIs?
An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Herslof S's NPIs list practice locations in 18 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.