NPPES file of Aug 9, 2026

Find an organization's NPI

6 active organization NPIs are registered under names beginning "Chesntut Health Systems". 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. Chesntut Health Systems, INC

    Mental Illness Community Based Residential Treatment Facility · Belleville, IL · issued Jul 22, 2011

    1649558792
  2. Chesntut Health Systems, INC

    Mental Health Clinic/Center (Including Community Mental Health Center) · Bloomington, IL · issued Aug 10, 2023

    1578246047
  3. Chesntut Health Systems, INC

    Substance Use Disorder Rehabilitation Clinic/Center · Bloomington, IL · issued Oct 2, 2023

    1710767405
  4. Chesntut Health Systems, INC

    Dental Clinic/Center · Bloomington, IL · issued Dec 20, 2023

    1659140515
  5. Chesntut Health Systems, INC

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

    1912736596
  6. Chesntut Health Systems, INC

    Substance Use Disorder Rehabilitation Clinic/Center · De Soto, MO · issued Oct 8, 2025

    1790650877

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