| ABRAHAM LINCOLN MEMORIAL HOSPITAL LINCOLN | LINCOLN | Critical Access Hospitals | 2 | Yes |
| ADVOCATE CHRIST HOSPITAL & MEDICAL CENTER OAK LAWN | OAK LAWN | Acute Care Hospitals | 3 | Yes |
| ADVOCATE CONDELL MEDICAL CENTER LIBERTYVILLE | LIBERTYVILLE | Acute Care Hospitals | 4 | Yes |
| ADVOCATE GOOD SAMARITAN HOSPITAL DOWNERS GROVE | DOWNERS GROVE | Acute Care Hospitals | 4 | Yes |
| ADVOCATE GOOD SHEPHERD HOSPITAL BARRINGTON | BARRINGTON | Acute Care Hospitals | 4 | Yes |
| ADVOCATE ILLINOIS MASONIC MEDICAL CENTER CHICAGO | CHICAGO | Acute Care Hospitals | 3 | Yes |
| ADVOCATE LUTHERAN GENERAL HOSPITAL PARK RIDGE | PARK RIDGE | Acute Care Hospitals | 4 | Yes |
| ADVOCATE SHERMAN HOSPITAL ELGIN | ELGIN | Acute Care Hospitals | 5 | Yes |
| ADVOCATE TRINITY HOSPITAL CHICAGO | CHICAGO | Acute Care Hospitals | 2 | Yes |
| AERIES HEALTHCARE OF ILLINOIS, INC., DBA RIVEREDGE HOSPITAL FOREST PARK | FOREST PARK | Psychiatric | N/A | No |
| ALEXIAN BROTHERS BEHAVIORAL HLTH HOSP HOFFMAN ESTATES | HOFFMAN ESTATES | Psychiatric | N/A | No |
| ALEXIAN BROTHERS MEDICAL CENTER 1 ELK GROVE VILLAGE | ELK GROVE VILLAGE | Acute Care Hospitals | 4 | Yes |
| ALTON MEMORIAL HOSPITAL ALTON | ALTON | Acute Care Hospitals | 4 | Yes |
| ALTON MENTAL HEALTH CENTER ALTON | ALTON | Psychiatric | N/A | No |
| AMITA HEALTH RESURRECTION MEDICAL CENTER CHICAGO | CHICAGO | Acute Care Hospitals | 4 | Yes |
| ANDERSON HOSPITAL MARYVILLE | MARYVILLE | Acute Care Hospitals | 4 | Yes |
| ANDREW MCFARLAND MENTAL HLTH CTR SPRINGFIELD | SPRINGFIELD | Psychiatric | N/A | No |
| ANN & ROBERT H LURIE CHILDRENS HOSPITAL OF CHICAGO CHICAGO | CHICAGO | Childrens | N/A | Yes |
| BHC STREAMWOOD HOSPITAL INC STREAMWOOD | STREAMWOOD | Psychiatric | N/A | No |
| BLESSING HOSPITAL QUINCY | QUINCY | Acute Care Hospitals | 4 | Yes |
| CARLE BROMENN MEDICAL CENTER NORMAL | NORMAL | Acute Care Hospitals | 3 | Yes |
| CARLE EUREKA HOSPITAL EUREKA | EUREKA | Critical Access Hospitals | N/A | Yes |
| CARLE FOUNDATION HOSPITAL URBANA | URBANA | Acute Care Hospitals | 3 | Yes |
| CARLE HEALTH METHODIST HOSPITAL PEORIA | PEORIA | Acute Care Hospitals | 1 | Yes |
| CARLE HEALTH PEKIN HOSPITAL PEKIN | PEKIN | Acute Care Hospitals | 2 | Yes |
| CARLE HEALTH PROCTOR HOSPITAL PEORIA | PEORIA | Acute Care Hospitals | 3 | Yes |
| CARLE HOOPESTON REGIONAL HEALTH CENTER HOOPESTON | HOOPESTON | Critical Access Hospitals | N/A | Yes |
| CARLE RICHLAND MEMORIAL HOSPITAL OLNEY | OLNEY | Critical Access Hospitals | N/A | Yes |
| CARLINVILLE AREA HOSPITAL CARLINVILLE | CARLINVILLE | Critical Access Hospitals | N/A | Yes |
| CGH MEDICAL CENTER STERLING | STERLING | Acute Care Hospitals | 2 | Yes |
| CHICAGO BEHAVIORAL HOSPITAL DES PLAINES | DES PLAINES | Psychiatric | N/A | No |
| CHICAGO READ MENTAL HEALTH CENTER CHICAGO | CHICAGO | Psychiatric | N/A | No |
| CHOATE MENTAL HEALTH & DEVELOPMENT CTR ANNA | ANNA | Psychiatric | N/A | No |
| CLAY COUNTY HOSPITAL FLORA | FLORA | Critical Access Hospitals | 4 | Yes |
| COMMUNITY FIRST MEDICAL CENTER CHICAGO | CHICAGO | Acute Care Hospitals | 1 | Yes |
| COMMUNITY HOSPITAL OF STAUNTON STAUNTON | STAUNTON | Critical Access Hospitals | N/A | Yes |
| COPLEY MEMORIAL HOSPITAL AURORA | AURORA | Acute Care Hospitals | 3 | Yes |
| CRAWFORD MEMORIAL HOSPITAL ROBINSON | ROBINSON | Critical Access Hospitals | 5 | Yes |
| DEACONESS ILLINOIS CROSSROADS MOUNT VERNON | MOUNT VERNON | Acute Care Hospitals | N/A | Yes |
| DEACONESS ILLINOIS UNION COUNTY ANNA | ANNA | Critical Access Hospitals | N/A | Yes |
| DECATUR MEMORIAL HOSPITAL DECATUR | DECATUR | Acute Care Hospitals | 3 | Yes |
| EDWARD HOSPITAL NAPERVILLE | NAPERVILLE | Acute Care Hospitals | 4 | Yes |
| ELGIN MENTAL HEALTH CENTER ELGIN | ELGIN | Psychiatric | N/A | Yes |
| ELMHURST MEMORIAL HOSPITAL ELMHURST | ELMHURST | Acute Care Hospitals | 4 | Yes |
| FAIRFIELD MEMORIAL HOSPITAL 1 FAIRFIELD | FAIRFIELD | Critical Access Hospitals | 3 | Yes |
| FAYETTE COUNTY HOSPITAL VANDALIA | VANDALIA | Critical Access Hospitals | N/A | Yes |
| FERRELL HOSPITAL COMMUNITY FOUNDATIONS ELDORADO | ELDORADO | Critical Access Hospitals | 2 | Yes |
| FHN MEMORIAL HOSPITAL FREEPORT | FREEPORT | Acute Care Hospitals | 3 | Yes |
| FRANCISCAN HEALTH OLYMPIA & CHICAGO HEIGHTS OLYMPIA FIELDS | OLYMPIA FIELDS | Acute Care Hospitals | 2 | Yes |
| FRANKLIN HOSPITAL BENTON | BENTON | Critical Access Hospitals | N/A | Yes |