Chestnut Health Systems
Chestnut Health Systems holds 41 active organization NPIs in the federal registry, with practice locations in 13 Illinois cities. Each location can bill under its own NPI.
Search the organization with your city to find the NPI for the location you visit or bill.
Find a location's NPIBloomington has the most NPIs, 11
Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.
Most NPIs were issued in 2011 and 2013
Source: CMS NPPES, enumeration dates.
10 NPIs were issued in 2011 alone, more than in any other year; none in 5 of the years between.
Bloomington locations
The city with the most Chestnut Health Systems NPIs. The full list of all 41 follows.
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1366431686 | 1003 MARTIN LUTHER KING DR, Bloomington | Substance Use Disorder Rehabilitation Clinic/Center | Oct 19, 2005 |
| 1316068471 | 1003 MARTIN LUTHER KING DR, Bloomington | Substance Abuse Rehabilitation Facility | Apr 3, 2007 |
| 1609021997 | 1003 MARTIN LUTHER KING DR, Bloomington | Substance Abuse Rehabilitation Facility | Dec 1, 2008 |
| 1356596563 | 1003 MARTIN LUTHER KING DR, Bloomington | Substance Use Disorder Rehabilitation Clinic/Center | Dec 2, 2008 |
| 1790055952 | 702 W CHESTNUT ST, Bloomington | Federally Qualified Health Center (FQHC) | Jan 5, 2012 |
| 1114351947 | 1003 MARTIN LUTHER KING DR, Bloomington | Mental Health Clinic/Center (Including Community Mental Health Center) | Aug 28, 2013 |
| 1245781079 | 1003 MARTIN LUTHER KING DR, Bloomington | Substance Abuse Rehabilitation Facility | Oct 17, 2016 |
| 1285179655 | 1003 MARTIN LUTHER KING DR, Bloomington | Federally Qualified Health Center (FQHC) | Dec 21, 2016 |
All 41 locations, by city
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1760602593 | 12 N 64TH ST, Belleville | Mental Health Clinic/Center (Including Community Mental Health Center) | Apr 26, 2007 |
| 1194021485 | 732 S ILLINOIS ST, Belleville | Community/Behavioral Health Agency | Feb 3, 2011 |
| 1700154911 | 12 N 64TH ST, Belleville | Substance Use Disorder Rehabilitation Clinic/Center | Dec 2, 2011 |
| 1831634237 | 12 N 64TH ST, Belleville | Primary Care Clinic/Center | Dec 21, 2016 |
| 1801508544 | 12 N 64TH ST, Belleville | Federally Qualified Health Center (FQHC) | Dec 14, 2022 |
| 1891524476 | 12 N 64TH ST, Belleville | Community Health Clinic/Center | Jul 31, 2024 |
| 1366431686 | 1003 MARTIN LUTHER KING DR, Bloomington | Substance Use Disorder Rehabilitation Clinic/Center | Oct 19, 2005 |
| 1316068471 | 1003 MARTIN LUTHER KING DR, Bloomington | Substance Abuse Rehabilitation Facility | Apr 3, 2007 |
| 1609021997 | 1003 MARTIN LUTHER KING DR, Bloomington | Substance Abuse Rehabilitation Facility | Dec 1, 2008 |
| 1356596563 | 1003 MARTIN LUTHER KING DR, Bloomington | Substance Use Disorder Rehabilitation Clinic/Center | Dec 2, 2008 |
| 1790055952 | 702 W CHESTNUT ST, Bloomington | Federally Qualified Health Center (FQHC) | Jan 5, 2012 |
| 1114351947 | 1003 MARTIN LUTHER KING DR, Bloomington | Mental Health Clinic/Center (Including Community Mental Health Center) | Aug 28, 2013 |
| 1245781079 | 1003 MARTIN LUTHER KING DR, Bloomington | Substance Abuse Rehabilitation Facility | Oct 17, 2016 |
| 1285179655 | 1003 MARTIN LUTHER KING DR, Bloomington | Federally Qualified Health Center (FQHC) | Dec 21, 2016 |
| 1194227827 | 1003 MARTIN LUTHER KING DR, Bloomington | Mental Health Clinic/Center (Including Community Mental Health Center) | Mar 8, 2018 |
| 1447854427 | 702 W CHESTNUT ST, Bloomington | Federally Qualified Health Center (FQHC) | Nov 30, 2020 |
| 1225740756 | 1003 MARTIN LUTHER KING DR, Bloomington | Federally Qualified Health Center (FQHC) | Dec 15, 2022 |
| 1346566445 | 814 SAINT LOUIS RD APT. 232, Collinsville | Mental Health Clinic/Center (Including Community Mental Health Center) | Apr 14, 2010 |
| 1992179642 | 110 ROTTINGHAM CT SUITE B, Edwardsville | Substance Abuse Rehabilitation Facility | Nov 18, 2015 |
| 1558649608 | 5109 N ILLINOIS ST APT. 101, Fairview Heights | Mental Health Clinic/Center (Including Community Mental Health Center) | Jul 22, 2011 |
| 1619921665 | 50 NORTHGATE INDUSTRIAL DR, Granite City | Mental Health Clinic/Center (Including Community Mental Health Center) | May 22, 2006 |
| 1386922433 | 1218 19TH ST, Granite City | Mental Health Clinic/Center (Including Community Mental Health Center) | Jul 22, 2011 |
| 1609144815 | 50 NORTHGATE INDUSTRIAL DR, Granite City | Substance Abuse Rehabilitation Facility | Dec 2, 2011 |
| 1942576236 | 50 NORTHGATE INDUSTRIAL DR, Granite City | Substance Use Disorder Rehabilitation Clinic/Center | Mar 30, 2012 |
| 1265773188 | 50 NORTHGATE INDUSTRIAL DR # B, Granite City | Community/Behavioral Health Agency | Mar 4, 2013 |
| 1518208719 | 110 NORTHAGTE INDUSTRIAL DRIVE, Granite City | Substance Use Disorder Rehabilitation Clinic/Center | Mar 13, 2013 |
| 1942647169 | 50 NORTHGATE INDUSTRIAL DR, Granite City | Counselor | May 29, 2013 |
| 1326417080 | 50 NORTHGATE INDUSTRIAL DR, Granite City | Federally Qualified Health Center (FQHC) | Sep 23, 2015 |
| 1912371824 | 370 HOUBOLT RD SUITE 101, Joliet | Substance Abuse Rehabilitation Facility | Nov 17, 2015 |
| 1700244571 | 212 PEARL ST, Kappa | Community/Behavioral Health Agency | Feb 8, 2016 |
| 1790083095 | 1425 6TH ST, Madison | Mental Health Clinic/Center (Including Community Mental Health Center) | Mar 10, 2011 |
| 1902184054 | 648 STATE ST BLDG A, Madison | Mental Health Clinic/Center (Including Community Mental Health Center) | Jul 22, 2011 |
| 1770850075 | 648 STATE ST BLDG B, Madison | Mental Health Clinic/Center (Including Community Mental Health Center) | Nov 30, 2011 |
| 1801069059 | 2148 VADALABENE DR, Maryville | Substance Abuse Rehabilitation Facility | Apr 9, 2008 |
| 1043587348 | 2148 VADALABENE DR, Maryville | Mental Health Clinic/Center (Including Community Mental Health Center) | Nov 30, 2011 |
| 1467174177 | 2148 VADALABENE DR, Maryville | Federally Qualified Health Center (FQHC) | Sep 19, 2022 |
| 1609554815 | 2148 VADALABENE DR, Maryville | Substance Abuse Rehabilitation Facility | Jul 7, 2023 |
| 1134807357 | 2148 VADALABENE DR, Maryville | Substance Abuse Rehabilitation Facility | Jul 7, 2023 |
| 1578197877 | 1419 S FOLKERS AVE, Peoria | Substance Use Disorder Rehabilitation Clinic/Center | Feb 25, 2020 |
| 1003194150 | 3924 OAKMONT DR, Pontoon Beach | Mental Health Clinic/Center (Including Community Mental Health Center) | Jul 22, 2011 |
| 1235941311 | 337 E FERGUSON AVE, Wood River | Mental Health Clinic/Center (Including Community Mental Health Center) | Jan 24, 2025 |
Checking an organization
- Match the NPI to the exact location you will visit or bill; each location can have its own.
- Confirm the business entity with the secretary of state.
- Check the HHS-OIG exclusion list for the organization and its owners.
- Verify each clinician you will see on their own record and with the state license search.
Common questions
Why does Chestnut Health Systems have 41 NPIs?
An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Chestnut Health Systems's NPIs list practice locations in 13 cities.
Is an organization NPI a license?
No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.
Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.