| Gateway Regional Medical Center | Granite City, IL | Acute Care Hospitals | Voluntary non-profit - Other | 2 stars |
| Genesis Hlth System DBA Genesis Mdl Ctr-Illini | Silvis, IL | Acute Care Hospitals | Government - Local | 2 stars |
| Genesis Medical Center, Aledo | Aledo, IL | Critical Access Hospitals | Voluntary non-profit - Private | Not rated |
| Gibson Community Hospital | Gibson City, IL | Critical Access Hospitals | Voluntary non-profit - Private | 4 stars |
| Good Samaritan Regional Hlth Center | Mount Vernon, IL | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| Graham Hospital Association | Canton, IL | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |
| Hamilton Memorial Hospital | McLeansboro, IL | Critical Access Hospitals | Government - Hospital District or Authority | 3 stars |
| Hammond Henry Hospital | Geneseo, IL | Critical Access Hospitals | Government - Hospital District or Authority | Not rated |
| Hardin County General Hospital & Clinic | Rosiclare, IL | Critical Access Hospitals | Voluntary non-profit - Private | 1 star |
| Harrisburg Medical Center | Harrisburg, IL | Acute Care Hospitals | Voluntary non-profit - Other | 2 stars |
| Hartgrove Hospital | Chicago, IL | Psychiatric | Proprietary | Not rated |
| Heartland Regional Medical Center | Marion, IL | Acute Care Hospitals | Proprietary | 2 stars |
| Herrin Hospital | Herrin, IL | Acute Care Hospitals | Voluntary non-profit - Private | 1 star |
| Hillsboro Area Hospital | Hillsboro, IL | Critical Access Hospitals | Voluntary non-profit - Private | Not rated |
| Hines VA Medical Center | Hines, IL | Acute Care - Veterans Administration | Veterans Health Administration | 3 stars |
| Holy Cross Hospital | Chicago, IL | Acute Care Hospitals | Voluntary non-profit - Private | 2 stars |
| Hopedale Hospital | Hopedale, IL | Critical Access Hospitals | Voluntary non-profit - Private | Not rated |
| HSHS Good Shepherd Hospital Inc | Shelbyville, IL | Critical Access Hospitals | Voluntary non-profit - Private | Not rated |
| HSHS Holy Family Hospital Inc | Greenville, IL | Acute Care Hospitals | Voluntary non-profit - Church | 3 stars |
| HSHS St Elizabeth's Hospital | O Fallon, IL | Acute Care Hospitals | Voluntary non-profit - Church | 4 stars |
| Humboldt Park Health | Chicago, IL | Acute Care Hospitals | Voluntary non-profit - Private | 1 star |
| Illini Community Hospital | Pittsfield, IL | Critical Access Hospitals | Voluntary non-profit - Private | 3 stars |
| Ingalls Memorial Hospital | Harvey, IL | Acute Care Hospitals | Physician | 2 stars |
| Insight Hospital and Medical Center Chicago | Chicago, IL | Acute Care Hospitals | Voluntary non-profit - Private | 1 star |
| Iroquois Memorial Hospital | Watseka, IL | Critical Access Hospitals | Voluntary non-profit - Private | Not rated |
| Jackson Park Hospital | Chicago, IL | Acute Care Hospitals | Voluntary non-profit - Private | 1 star |
| Jacksonville Memorial Hospital | Jacksonville, IL | Critical Access Hospitals | Voluntary non-profit - Private | Not rated |
| Javon Bea Hospital | Rockford, IL | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |
| Jersey Community Hospital | Jerseyville, IL | Acute Care Hospitals | Government - Local | 3 stars |
| Jesse Brown VA Medical Center - VA Chicago Healthcare System | Chicago, IL | Acute Care - Veterans Administration | Veterans Health Administration | 4 stars |
| John H Stroger Jr Hospital | Chicago, IL | Acute Care Hospitals | Government - Local | 2 stars |
| Kirby Medical Center | Monticello, IL | Critical Access Hospitals | Voluntary non-profit - Private | Not rated |
| Lake Behavioral Hospital | Waukegan, IL | Psychiatric | Proprietary | Not rated |
| Larabida Childrens Hospital I | Chicago, IL | Childrens | Voluntary non-profit - Private | Not rated |
| Lawrence County Memorial Hospital | Lawrenceville, IL | Critical Access Hospitals | Voluntary non-profit - Private | Not rated |
| Linden Oaks at Edward | Naperville, IL | Psychiatric | Voluntary non-profit - Private | Not rated |
| Loretto Hospital | Chicago, IL | Acute Care Hospitals | Voluntary non-profit - Other | Not rated |
| Louis A Weiss Memorial Hospital | Chicago, IL | Acute Care Hospitals | Proprietary | 1 star |
| Loyola Gottlieb Memorial Hospital | Melrose Park, IL | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |
| Loyola University Medical Center | Maywood, IL | Acute Care Hospitals | Voluntary non-profit - Private | 2 stars |
| Macneal Hospital | Berwyn, IL | Acute Care Hospitals | Proprietary | 3 stars |
| Madden Mental Health Center | Hines, IL | Psychiatric | Government - State | Not rated |
| Marion Il VA Medical Center | Marion, IL | Acute Care - Veterans Administration | Veterans Health Administration | 3 stars |
| Marshall Browning Hospital | Du Quoin, IL | Critical Access Hospitals | Voluntary non-profit - Private | Not rated |
| Mason District Hospital | Havana, IL | Critical Access Hospitals | Government - Hospital District or Authority | Not rated |
| Massac Memorial Hospital | Metropolis, IL | Critical Access Hospitals | Government - Hospital District or Authority | 2 stars |
| Mc Donough District Hospital | Macomb, IL | Acute Care Hospitals | Government - Hospital District or Authority | 3 stars |
| Memorial Hospital | Belleville, IL | Acute Care Hospitals | Voluntary non-profit - Private | 5 stars |
| Memorial Hospital | Carthage, IL | Critical Access Hospitals | Voluntary non-profit - Private | 4 stars |
| Memorial Hospital | Chester, IL | Critical Access Hospitals | Government - Hospital District or Authority | Not rated |