NPPES file of Aug 9, 2026

Find an organization's NPI

2 active organization NPIs are registered under names beginning "Thaddeus" in Illinois. Each location can bill under its own NPI, so add the city to find the one you need.

1 to 2 of 2, exact name first

  1. Thaddeus, LTD

    Optometrist · Chicago, IL · issued Jul 6, 2006

    1831120005
  2. Thaddeus

    Eyewear Supplier · Chicago, IL · issued Aug 16, 2007

    1336331909

Source: CMS NPPES monthly file of Aug 9, 2026, organization (Type 2) records.