NPPES file of Aug 9, 2026

Find an organization's NPI

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

1 to 25 of 41, exact name first

  1. Chestnut Health Systems, INC

    Mental Health Clinic/Center (Including Community Mental Health Center) · Belleville, IL · issued Apr 26, 2007

    1760602593
  2. Chestnut Health Systems, INC

    Community/Behavioral Health Agency · Belleville, IL · issued Feb 3, 2011

    1194021485
  3. Chestnut Health Systems INC

    Substance Use Disorder Rehabilitation Clinic/Center · Belleville, IL · issued Dec 2, 2011

    1700154911
  4. Chestnut Health Systems, INC

    Primary Care Clinic/Center · Belleville, IL · issued Dec 21, 2016

    1831634237
  5. Chestnut Health Systems INC

    Federally Qualified Health Center (FQHC) · Belleville, IL · issued Dec 14, 2022

    1801508544
  6. Chestnut Health Systems INC

    Community Health Clinic/Center · Belleville, IL · issued Jul 31, 2024

    1891524476
  7. Chestnut Health Systems INC

    Substance Use Disorder Rehabilitation Clinic/Center · Bloomington, IL · issued Oct 19, 2005

    1366431686
  8. Chestnut Health Systems

    Substance Abuse Rehabilitation Facility · Bloomington, IL · issued Apr 3, 2007

    1316068471
  9. Chestnut Health Systems

    Substance Abuse Rehabilitation Facility · Bloomington, IL · issued Dec 1, 2008

    1609021997
  10. Chestnut Health Systems INC

    Substance Use Disorder Rehabilitation Clinic/Center · Bloomington, IL · issued Dec 2, 2008

    1356596563
  11. Chestnut Health Systems, INC

    Federally Qualified Health Center (FQHC) · Bloomington, IL · issued Jan 5, 2012

    1790055952
  12. Chestnut Health Systems INC

    Mental Health Clinic/Center (Including Community Mental Health Center) · Bloomington, IL · issued Aug 28, 2013

    1114351947
  13. Chestnut Health Systems, INC

    Substance Abuse Rehabilitation Facility · Bloomington, IL · issued Oct 17, 2016

    1245781079
  14. Chestnut Health Systems INC

    Federally Qualified Health Center (FQHC) · Bloomington, IL · issued Dec 21, 2016

    1285179655
  15. Chestnut Health Systems, INC

    Mental Health Clinic/Center (Including Community Mental Health Center) · Bloomington, IL · issued Mar 8, 2018

    1194227827
  16. Chestnut Health Systems INC

    Federally Qualified Health Center (FQHC) · Bloomington, IL · issued Nov 30, 2020

    1447854427
  17. Chestnut Health Systems INC

    Federally Qualified Health Center (FQHC) · Bloomington, IL · issued Dec 15, 2022

    1225740756
  18. Chestnut Health Systems, INC

    Mental Health Clinic/Center (Including Community Mental Health Center) · Collinsville, IL · issued Apr 14, 2010

    1346566445
  19. Chestnut Health Systems, INC

    Substance Abuse Rehabilitation Facility · Edwardsville, IL · issued Nov 18, 2015

    1992179642
  20. Chestnut Health Systems, INC

    Mental Health Clinic/Center (Including Community Mental Health Center) · Fairview Heights, IL · issued Jul 22, 2011

    1558649608
  21. Chestnut Health Systems INC

    Mental Health Clinic/Center (Including Community Mental Health Center) · Granite City, IL · issued May 22, 2006

    1619921665
  22. Chestnut Health Systems, INC

    Mental Health Clinic/Center (Including Community Mental Health Center) · Granite City, IL · issued Jul 22, 2011

    1386922433
  23. Chestnut Health Systems INC

    Substance Abuse Rehabilitation Facility · Granite City, IL · issued Dec 2, 2011

    1609144815
  24. Chestnut Health Systems

    Substance Use Disorder Rehabilitation Clinic/Center · Granite City, IL · issued Mar 30, 2012

    1942576236
  25. Chestnut Health Systems

    Community/Behavioral Health Agency · Granite City, IL · issued Mar 4, 2013

    1265773188

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