Registry data as of Aug 27, 2026

Stein Optical

Stein Optical holds 16 active organization NPIs in the federal registry, with practice locations in 13 Wisconsin cities. 15 list eyewear supplier as their primary taxonomy; each location can bill under its own NPI.

CMS NPPES registry, file of Aug 9, 2026 · legal names grouped after punctuation and "LLC" are removed · method · Verify with CMS →

Which NPI is yours?

Search the organization with your city to find the NPI for the location you visit or bill.

Find a location's NPI

Milwaukee has the most NPIs, 4

  1. Milwaukee4
  2. Brookfield1
  3. Greendale1
  4. Kenosha1
  5. Menomonee Falls1
  6. Mequon1
  7. Oconomowoc1
  8. Shorewood1

Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.

NPIs by year issued

Stein Optical NPIs by year issued2006: 1605101520200616
Stein Optical NPIs by year issued2006: 1605101520200616
Stein Optical NPIs by year issued2006: 1605101520200616

Source: CMS NPPES, enumeration dates.

16 NPIs were issued in 2006 alone, more than in any other year.

Milwaukee locations

The city with the most Stein Optical NPIs. The full list of all 16 follows.

NPILocationPrimary taxonomyIssued
18018295513500 S 27TH ST, MilwaukeeOptometristJul 8, 2006
13968264753500 S 27TH ST, MilwaukeeEyewear SupplierOct 17, 2006
11847052797425 W APPLETON AVE, MilwaukeeEyewear SupplierOct 17, 2006
14170384235530 N PORT WASHINGTON RD, MilwaukeeEyewear SupplierOct 17, 2006
All 16 locations, by city
NPILocationPrimary taxonomyIssued
110490775716025 W BLUEMOUND RD, BrookfieldEyewear SupplierOct 18, 2006
15483415975300 S 76TH ST, GreendaleEyewear SupplierOct 18, 2006
16897551347214 GREEN BAY ROAD, KenoshaEyewear SupplierOct 18, 2006
1134200603N95 W18437 COUNTY LINE ROAD, Menomonee FallsEyewear SupplierOct 18, 2006
191208893111340 N PORT WASHINGTON RD, MequonEyewear SupplierOct 17, 2006
18018295513500 S 27TH ST, MilwaukeeOptometristJul 8, 2006
13968264753500 S 27TH ST, MilwaukeeEyewear SupplierOct 17, 2006
11847052797425 W APPLETON AVE, MilwaukeeEyewear SupplierOct 17, 2006
14170384235530 N PORT WASHINGTON RD, MilwaukeeEyewear SupplierOct 17, 2006
1942381595203A E WISCONSIN AVE, OconomowocEyewear SupplierOct 18, 2006
13766244524000 N OAKLAND AVE, ShorewoodEyewear SupplierOct 17, 2006
1063593614622 S CHURCH ST, WatertownEyewear SupplierOct 18, 2006
1366523912825 W MORELAND BLVD, WaukeshaEyewear SupplierOct 18, 2006
18918768012500 N MAYFAIR RD, WauwatosaEyewear SupplierOct 17, 2006
13766243792761 S 108TH ST, West AllisEyewear SupplierOct 17, 2006
16099576201437 S. MAIN STREET, West BendEyewear SupplierOct 17, 2006

Checking an organization

  1. Match the NPI to the exact location you will visit or bill; each location can have its own.
  2. Confirm the business entity with the secretary of state.
  3. Check the HHS-OIG exclusion list for the organization and its owners.
  4. Verify each clinician you will see on their own record and with the state license search.

Common questions

Why does Stein Optical have 16 NPIs?

An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Stein Optical's NPIs list practice locations in 13 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.