NPPES file of Aug 9, 2026

Ophthalmology Associates S C

Ophthalmology Associates S C holds 6 active organization NPIs in the federal registry, with practice locations in 5 Wisconsin cities. All list ophthalmology physician 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

New Berlin has the most NPIs, 2

  1. New Berlin2
  2. Cudahy1
  3. Greenfield1
  4. Hales Corners1
  5. Milwaukee1

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

Most NPIs were issued in 2007 and 2019

Ophthalmology Associates S C NPIs by year issued2007: 4, 2008: 0, 2009: 0, 2010: 0, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 0, 2017: 0, 2018: 0, 2019: 1, 2020: 0, 2021: 0, 2022: 0, 2023: 0, 2024: 0, 2025: 1012342007200920112013201520172019202120232025411
Ophthalmology Associates S C NPIs by year issued2007: 4, 2008: 0, 2009: 0, 2010: 0, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 0, 2017: 0, 2018: 0, 2019: 1, 2020: 0, 2021: 0, 2022: 0, 2023: 0, 2024: 0, 2025: 1012342007200820092010201120122013201420152016201720182019202020212022202320242025411
Ophthalmology Associates S C NPIs by year issued2007: 4, 2008: 0, 2009: 0, 2010: 0, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 0, 2017: 0, 2018: 0, 2019: 1, 2020: 0, 2021: 0, 2022: 0, 2023: 0, 2024: 0, 2025: 1012342007201020132016201920222025411

Source: CMS NPPES, enumeration dates.

4 NPIs were issued in 2007 alone, more than in any other year; none in 16 of the years between.

New Berlin locations

The city with the most Ophthalmology Associates S C NPIs. The full list of all 6 follows.

NPILocationPrimary taxonomyIssued
173022458514555 W NATIONAL AVE, New BerlinOphthalmology PhysicianFeb 20, 2007
133602402514300 WEST NATIONAL AVE SUITE 200, New BerlinOphthalmology PhysicianAug 11, 2025
All 6 locations, by city
NPILocationPrimary taxonomyIssued
10635578906020 S PACKARD AVE, CudahyOphthalmology PhysicianFeb 20, 2007
17205436144600 W LOOMIS RD STE 310, GreenfieldOphthalmology PhysicianFeb 5, 2019
16897194376080 S 108TH ST, Hales CornersOphthalmology PhysicianFeb 20, 2007
12554760992500 W LAYTON AVE SUITE 110, MilwaukeeOphthalmology PhysicianFeb 20, 2007
173022458514555 W NATIONAL AVE, New BerlinOphthalmology PhysicianFeb 20, 2007
133602402514300 WEST NATIONAL AVE SUITE 200, New BerlinOphthalmology PhysicianAug 11, 2025

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 Ophthalmology Associates S C 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. Ophthalmology Associates S C's NPIs list practice locations in 5 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.