NPPES file of Aug 9, 2026

Find an organization's NPI

23 active organization NPIs are registered under names beginning "Quest Diagnostics LLC Il". Each location can bill under its own NPI, so add the city to find the one you need.

1 to 23 of 23, exact name first

  1. Quest Diagnostics LLC Il

    Clinical Medical Laboratory · Clinton, IA · issued Oct 9, 2023

    1750162467
  2. Quest Diagnostics LLC Il

    Clinical Medical Laboratory · Davenport, IA · issued Oct 9, 2023

    1366223166
  3. Quest Diagnostics LLC Il

    Clinical Medical Laboratory · Davenport, IA · issued Oct 9, 2023

    1235910936
  4. Quest Diagnostics LLC Il

    Clinical Medical Laboratory · Mount Pleasant, IA · issued Jun 4, 2025

    1942194196
  5. Quest Diagnostics LLC Il

    Clinical Medical Laboratory · Chicago, IL · issued Jul 19, 2006

    1538189238
  6. Quest Diagnostics LLC Il

    Clinical Medical Laboratory · Chicago, IL · issued Dec 2, 2024

    1669298055
  7. Quest Diagnostics LLC Il

    Clinical Medical Laboratory · Glenview, IL · issued Jul 18, 2006

    1578581526
  8. Quest Diagnostics LLC Il

    Clinical Medical Laboratory · Lansing, IL · issued Jul 18, 2006

    1912925975
  9. Quest Diagnostics LLC Il

    Clinical Medical Laboratory · Schaumburg, IL · issued Feb 5, 2007

    1346389764
  10. Quest Diagnostics LLC Il

    Clinical Medical Laboratory · Vernon Hills, IL · issued Jul 18, 2006

    1710906342
  11. Quest Diagnostics LLC Il

    Clinical Medical Laboratory · Wood Dale, IL · issued Jun 21, 2006

    1881630614
  12. Quest Diagnostics LLC Il

    Clinical Medical Laboratory · Dearborn, MI · issued Jul 19, 2017

    1124541388
  13. Quest Diagnostics LLC Il

    Clinical Medical Laboratory · Mt Pleasant, MI · issued Nov 25, 2019

    1790321750
  14. Quest Diagnostics LLC Il

    Clinical Medical Laboratory · Blaine, MN · issued Nov 28, 2017

    1851805915
  15. Quest Diagnostics LLC Il

    Clinical Medical Laboratory · Lake Elmo, MN · issued Nov 28, 2017

    1588178602
  16. Quest Diagnostics LLC Il

    Clinical Medical Laboratory · Minneapolis, MN · issued Aug 29, 2017

    1093232167
  17. Quest Diagnostics LLC Il

    Clinical Medical Laboratory · New Brighton, MN · issued Jul 18, 2006

    1649298605
  18. Quest Diagnostics LLC Il

    Clinical Medical Laboratory · Saint Paul, MN · issued Jul 31, 2020

    1285244616
  19. Quest Diagnostics LLC Il

    Clinical Medical Laboratory · Saint Paul, MN · issued Aug 7, 2020

    1740890334
  20. Quest Diagnostics LLC Il

    Clinical Medical Laboratory · West Portsmouth, OH · issued Jun 23, 2020

    1053937219
  21. Quest Diagnostics LLC Il

    Anatomic Pathology & Clinical Pathology Physician · Beaver Dam, WI · issued Aug 7, 2020

    1851901466
  22. Quest Diagnostics LLC Il

    Clinical Medical Laboratory · Milwaukee, WI · issued Jul 27, 2020

    1881203826
  23. Quest Diagnostics LLC Il

    Clinical Medical Laboratory · River Falls, WI · issued Mar 1, 2010

    1144542465

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