NPPES file of Aug 9, 2026

Find an organization's NPI

6 active organization NPIs are registered under names beginning "Gruen Ross Optika". Each location can bill under its own NPI, so add the city to find the one you need.

1 to 6 of 6, exact name first

  1. Gruen Ross Optika, LLC

    Optometrist · Greenwich, CT · issued Aug 18, 2008

    1639325921
  2. Gruen-Ross Optika LLC

    Eyewear Supplier · New York, NY · issued Oct 30, 2007

    1265611982
  3. Gruen-Ross Optika LLC

    Eyewear Supplier · New York, NY · issued Oct 31, 2007

    1629257241
  4. Gruen-Ross Optika LLC

    Eyewear Supplier · New York, NY · issued Nov 3, 2007

    1578743803
  5. Gruen Ross Optika, LLC

    Optometrist · New York, NY · issued Aug 18, 2008

    1922254218
  6. Gruen Ross Optika, LLC

    Optometrist · New York, NY · issued Aug 18, 2008

    1649426933

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