NPPES file of Aug 9, 2026

Find an organization's NPI

20 active organization NPIs are registered under names beginning "Cornerstone Services". Each location can bill under its own NPI, so add the city to find the one you need.

1 to 20 of 20, exact name first

  1. Cornerstone Services INC

    Mental Health Clinic/Center (Including Community Mental Health Center) · Bourbonnais, IL · issued Aug 12, 2025

    1295611812
  2. Cornerstone Services INC

    Intellectual and/or Developmental Disabilities Community Based Residential Treatment Facility · Channahon, IL · issued Feb 8, 2008

    1811175151
  3. Cornerstone Services, INC

    Intellectual and/or Developmental Disabilities Community Based Residential Treatment Facility · Channahon, IL · issued Feb 11, 2008

    1396913539
  4. Cornerstone Services, INC

    Mental Health Clinic/Center (Including Community Mental Health Center) · Cresthill, IL · issued Feb 11, 2008

    1912175159
  5. Cornerstone Services INC

    Mental Health Clinic/Center (Including Community Mental Health Center) · Joliet, IL · issued Jan 17, 2006

    1205816345
  6. Cornerstone Services, INC

    Intellectual and/or Developmental Disabilities Community Based Residential Treatment Facility · Joliet, IL · issued Feb 11, 2008

    1679741805
  7. Cornerstone Services INC

    Mental Health Clinic/Center (Including Community Mental Health Center) · Joliet, IL · issued Feb 13, 2008

    1336317254
  8. Cornerstone Services INC

    Substance Use Disorder Rehabilitation Clinic/Center · Joliet, IL · issued Apr 20, 2016

    1346694957
  9. Cornerstone Services

    Non-emergency Medical Transport (VAN) · Joliet, IL · issued May 11, 2016

    1124474978
  10. Cornerstone Services, INC

    Adult Mental Health Clinic/Center · Joliet, IL · issued Nov 5, 2025

    1992674014
  11. Cornerstone Services, INC

    Mental Health Clinic/Center (Including Community Mental Health Center) · Joliet, IL · issued Jan 9, 2026

    1962369934
  12. Cornerstone Services, INC

    Mental Health Clinic/Center (Including Community Mental Health Center) · Kankakee, IL · issued Sep 5, 2013

    1053746388
  13. Cornerstone Services INC

    Mental Health Clinic/Center (Including Community Mental Health Center) · Kankakee, IL · issued Apr 20, 2020

    1831719913
  14. Cornerstone Services, INC

    Mental Health Clinic/Center (Including Community Mental Health Center) · Kankakee, IL · issued Nov 12, 2024

    1669296075
  15. Cornerstone Services, INC

    Intellectual and/or Developmental Disabilities Community Based Residential Treatment Facility · Shorewood, IL · issued Feb 11, 2008

    1295903433
  16. Cornerstone Services, INC

    Mental Health Clinic/Center (Including Community Mental Health Center) · South Holland, IL · issued Feb 21, 2024

    1053177782
  17. Cornerstone Services, INC

    Substance Use Disorder Rehabilitation Clinic/Center · South Holland, IL · issued Feb 22, 2024

    1225894884
  18. Cornerstone Services, INC

    Occupational Therapist · Boone, NC · issued Jul 22, 2006

    1518988617
  19. Cornerstone Services PC

    Internal Medicine Physician · Sherman, TX · issued Sep 13, 2006

    1922103399
  20. Cornerstone Services, In

    Mental Health Clinic/Center (Including Community Mental Health Center) · Cresthill, IL · issued Feb 11, 2008

    1811165053

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