| Genesis Medical Center, Aledo | Aledo | Critical Access Hospitals | — | 90 |
| Alton Memorial Hospital | Alton | Acute Care Hospitals | 4 | 469 |
| Alton Mental Health Center | Alton | Psychiatric | — | 0 |
| Osf Saint Anthony's Health Center | Alton | Acute Care Hospitals | 4 | 195 |
| Choate Mental Health & Development Ctr | Anna | Psychiatric | — | 0 |
| Deaconess Illinois Union County | Anna | Critical Access Hospitals | — | 94 |
| Northwest Community Hospital 1 | Arlington Heights | Acute Care Hospitals | 4 | 1,714 |
| Copley Memorial Hospital | Aurora | Acute Care Hospitals | 4 | 569 |
| Presence Mercy Medical Center | Aurora | Acute Care Hospitals | 3 | 191 |
| Advocate Good Shepherd Hospital | Barrington | Acute Care Hospitals | 5 | 854 |
| Memorial Hospital | Belleville | Acute Care Hospitals | 5 | 1,162 |
| Franklin Hospital | Benton | Critical Access Hospitals | — | 101 |
| Macneal Hospital | Berwyn | Acute Care Hospitals | 3 | 485 |
| St Joseph Medical Center | Bloomington | Acute Care Hospitals | 2 | 694 |
| Uchicago Medicine Adventhealth Bolingbrook | Bolingbrook | Acute Care Hospitals | 3 | 538 |
| St Josephs Hospital | Breese | Acute Care Hospitals | 4 | 322 |
| Graham Hospital Association | Canton | Acute Care Hospitals | 3 | 143 |
| Memorial Hospital of Carbondale | Carbondale | Acute Care Hospitals | 1 | 597 |
| Carlinville Area Hospital | Carlinville | Critical Access Hospitals | 2 | 172 |
| Thomas H Boyd Memorial Hospital | Carrollton | Critical Access Hospitals | — | 64 |
| Memorial Hospital | Carthage | Critical Access Hospitals | 4 | 155 |
| Ssm Health St Mary's Hospital -Centralia | Centralia | Acute Care Hospitals | 3 | 300 |
| Touchette Regional Hospital Inc | Centreville | Acute Care Hospitals | — | 86 |
| The Pavilion | Champaign | Psychiatric | — | 0 |
| Memorial Hospital | Chester | Critical Access Hospitals | — | 60 |
| Advocate Illinois Masonic Medical Center | Chicago | Acute Care Hospitals | 3 | 894 |
| Advocate Trinity Hospital | Chicago | Acute Care Hospitals | 2 | 845 |
| Amita Health Resurrection Medical Center | Chicago | Acute Care Hospitals | 3 | 557 |
| Ann & Robert H Lurie Childrens Hospital of Chicago | Chicago | Childrens | — | 34 |
| Chicago Read Mental Health Center | Chicago | Psychiatric | — | 0 |
| Community First Medical Center | Chicago | Acute Care Hospitals | 2 | 170 |
| Hartgrove Hospital | Chicago | Psychiatric | — | 0 |
| Holy Cross Hospital | Chicago | Acute Care Hospitals | 2 | 182 |
| Humboldt Park Health | Chicago | Acute Care Hospitals | 1 | 130 |
| Insight Hospital and Medical Center Chicago | Chicago | Acute Care Hospitals | 1 | 123 |
| Jackson Park Hospital | Chicago | Acute Care Hospitals | 1 | 59 |
| Jesse Brown VA Medical Center - VA Chicago Healthcare System | Chicago | Acute Care - Veterans Administration | 4 | 0 |
| John H Stroger Jr Hospital | Chicago | Acute Care Hospitals | 2 | 683 |
| Larabida Childrens Hospital I | Chicago | Childrens | — | 0 |
| Loretto Hospital | Chicago | Acute Care Hospitals | — | 65 |
| Louis A Weiss Memorial Hospital | Chicago | Acute Care Hospitals | 1 | 0 |
| Methodist Hospital of Chicago | Chicago | Acute Care Hospitals | — | 25 |
| Montrose Behavioral Health Hospital | Chicago | Psychiatric | — | 0 |
| Mt Sinai Hospital Medical Center | Chicago | Acute Care Hospitals | 1 | 334 |
| Northwestern Memorial Hospital | Chicago | Acute Care Hospitals | 5 | 3,399 |
| Presence Saint Joseph Hospital - Chicago | Chicago | Acute Care Hospitals | 4 | 327 |
| Presence Saints Mary and Elizabeth Medical Center | Chicago | Acute Care Hospitals | 3 | 333 |
| Provident Hospital of Chicago | Chicago | Acute Care Hospitals | — | 162 |
| Roseland Community Hospital | Chicago | Acute Care Hospitals | 1 | 47 |
| Rush University Medical Center | Chicago | Acute Care Hospitals | 5 | 1,566 |
| Saint Anthony Hospital | Chicago | Acute Care Hospitals | 2 | 139 |
| Shriners Hospital for Children | Chicago | Childrens | — | 0 |
| South Shore Hospital | Chicago | Acute Care Hospitals | — | 37 |
| St Bernard Hospital | Chicago | Acute Care Hospitals | 1 | 119 |
| Swedish Hospital | Chicago | Acute Care Hospitals | 3 | 1,509 |
| The University of Chicago Medical Center | Chicago | Acute Care Hospitals | 4 | 1,951 |
| Thorek Memorial Hospital | Chicago | Acute Care Hospitals | — | 130 |
| University of Illinois Hospital and Clinics | Chicago | Acute Care Hospitals | 4 | 1,023 |
| Warner Hospital and Health Services | Clinton | Critical Access Hospitals | — | 67 |
| Mercyhealth Hospital & Physician Clinic-Crystal la | Crystal Lake | Acute Care Hospitals | — | 131 |
| Osf Sacred Heart Medical Center | Danville | Acute Care Hospitals | 2 | 235 |
| VA Illiana Healthcare System - Danville | Danville | Acute Care - Veterans Administration | — | 0 |
| Decatur Memorial Hospital | Decatur | Acute Care Hospitals | 3 | 545 |
| St Marys Hospital | Decatur | Acute Care Hospitals | 1 | 318 |
| Northwestern Medicine Kishwaukee Hospital | Dekalb | Acute Care Hospitals | 5 | 691 |
| Chicago Behavioral Hospital | Des Plaines | Psychiatric | — | 0 |
| Osf Saint Katharine Medical Center | Dixon | Acute Care Hospitals | 2 | 320 |
| Advocate Good Samaritan Hospital | Downers Grove | Acute Care Hospitals | 4 | 831 |
| Marshall Browning Hospital | Du Quoin | Critical Access Hospitals | — | 114 |
| St Anthonys Memorial Hospital | Effingham | Acute Care Hospitals | 3 | 412 |
| Ferrell Hospital Community Foundations | Eldorado | Critical Access Hospitals | 1 | 230 |
| Advocate Sherman Hospital | Elgin | Acute Care Hospitals | 4 | 935 |
| Elgin Mental Health Center | Elgin | Psychiatric | — | 0 |
| Saint Joseph Hospital-Elgin | Elgin | Acute Care Hospitals | 4 | 240 |
| Alexian Brothers Medical Center 1 | Elk Grove Village | Acute Care Hospitals | 3 | 844 |
| Elmhurst Memorial Hospital | Elmhurst | Acute Care Hospitals | 3 | 1,143 |
| Carle Eureka Hospital | Eureka | Critical Access Hospitals | — | 117 |
| Northshore University Healthsystem - Evanston Hospital | Evanston | Acute Care Hospitals | 5 | 2,806 |
| Saint Francis Hospital-Evanston | Evanston | Acute Care Hospitals | 2 | 436 |
| Osf Little Company of Mary Medical Center | Evergreen Park | Acute Care Hospitals | 2 | 571 |
| Fairfield Memorial Hospital 1 | Fairfield | Critical Access Hospitals | 3 | 167 |
| Clay County Hospital | Flora | Critical Access Hospitals | 3 | 138 |
| Aeries Healthcare of Illinois, Inc., DBA Riveredge Hospital | Forest Park | Psychiatric | — | 0 |
| Fhn Memorial Hospital | Freeport | Acute Care Hospitals | 3 | 285 |
| Midwest Medical Center | Galena | Critical Access Hospitals | — | 96 |
| St Mary Medical Center | Galesburg | Acute Care Hospitals | 2 | 564 |
| Hammond Henry Hospital | Geneseo | Critical Access Hospitals | — | 169 |
| Northwestern Medicine Delnor Community Hospital | Geneva | Acute Care Hospitals | 5 | 1,147 |
| Gibson Community Hospital | Gibson City | Critical Access Hospitals | 4 | 148 |
| Uchicago Medicine Adventhealth Glenoaks | Glendale Heights | Acute Care Hospitals | 3 | 250 |
| Gateway Regional Medical Center | Granite City | Acute Care Hospitals | 2 | 92 |
| Hshs Holy Family Hospital Inc | Greenville | Acute Care Hospitals | 3 | 114 |
| Harrisburg Medical Center | Harrisburg | Acute Care Hospitals | 2 | 248 |
| Mercy Harvard Hospital | Harvard | Critical Access Hospitals | — | 68 |
| Ingalls Memorial Hospital | Harvey | Acute Care Hospitals | 2 | 760 |
| Mason District Hospital | Havana | Critical Access Hospitals | — | 63 |
| Herrin Hospital | Herrin | Acute Care Hospitals | 1 | 626 |
| St Joseph's Hospital | Highland | Critical Access Hospitals | 3 | 202 |
| Hillsboro Area Hospital | Hillsboro | Critical Access Hospitals | — | 113 |
| Hines VA Medical Center | Hines | Acute Care - Veterans Administration | 3 | 0 |
| Madden Mental Health Center | Hines | Psychiatric | — | 0 |
| Uchicago Medicine Adventhealth Hinsdale | Hinsdale | Acute Care Hospitals | 5 | 881 |
| Alexian Brothers Behavioral Hlth Hosp | Hoffman Estates | Psychiatric | — | 0 |
| St Alexius Medical Center | Hoffman Estates | Acute Care Hospitals | 5 | 817 |
| Carle Hoopeston Regional Health Center | Hoopeston | Critical Access Hospitals | — | 180 |
| Hopedale Hospital | Hopedale | Critical Access Hospitals | — | 60 |
| Jacksonville Memorial Hospital | Jacksonville | Critical Access Hospitals | — | 247 |
| Jersey Community Hospital | Jerseyville | Acute Care Hospitals | 3 | 152 |
| Saint Joseph Medical Center | Joliet | Acute Care Hospitals | 1 | 505 |
| Presence St Marys Hospital | Kankakee | Acute Care Hospitals | 4 | 257 |
| Riverside Medical Center | Kankakee | Acute Care Hospitals | 4 | 554 |
| Osf Saint Luke Medical Center | Kewanee | Critical Access Hospitals | 4 | 228 |
| Uchicago Medicine Adventhealth la Grange | La Grange | Acute Care Hospitals | 5 | 721 |
| Northwestern Lake Forest Hospital | Lake Forest | Acute Care Hospitals | 5 | 1,964 |
| Lawrence County Memorial Hospital | Lawrenceville | Critical Access Hospitals | — | 93 |
| Advocate Condell Medical Center | Libertyville | Acute Care Hospitals | 4 | 862 |
| Abraham Lincoln Memorial Hospital | Lincoln | Critical Access Hospitals | 4 | 254 |
| St Francis Hospital | Litchfield | Critical Access Hospitals | 2 | 191 |
| Mc Donough District Hospital | Macomb | Acute Care Hospitals | 3 | 205 |
| Heartland Regional Medical Center | Marion | Acute Care Hospitals | 2 | 326 |
| Marion Il VA Medical Center | Marion | Acute Care - Veterans Administration | 3 | 0 |
| Anderson Hospital | Maryville | Acute Care Hospitals | 3 | 419 |
| Sarah Bush Lincoln Health Center | Mattoon | Acute Care Hospitals | 3 | 635 |
| Loyola University Medical Center | Maywood | Acute Care Hospitals | 2 | 1,355 |
| Northwestern Medicine McHenry | McHenry | Acute Care Hospitals | 5 | 1,558 |
| Hamilton Memorial Hospital | McLeansboro | Critical Access Hospitals | 3 | 70 |
| Loyola Gottlieb Memorial Hospital | Melrose Park | Acute Care Hospitals | 3 | 571 |
| Osf Saint Paul Medical Center | Mendota | Critical Access Hospitals | 3 | 271 |
| Massac Memorial Hospital | Metropolis | Critical Access Hospitals | 2 | 105 |
| Osf Holy Family Medical Center | Monmouth | Critical Access Hospitals | 4 | 133 |
| Kirby Medical Center | Monticello | Critical Access Hospitals | — | 162 |
| Morris Hospital & Healthcare Centers | Morris | Acute Care Hospitals | 4 | 389 |
| Morrison Community Hospital | Morrison | Critical Access Hospitals | — | 74 |
| Wabash General Hospital 1 | Mount Carmel | Critical Access Hospitals | — | 165 |
| Deaconess Illinois Crossroads | Mount Vernon | Acute Care Hospitals | — | 161 |
| Good Samaritan Regional Hlth Center | Mount Vernon | Acute Care Hospitals | 4 | 442 |
| St Joseph Memorial Hospital | Murphysboro | Critical Access Hospitals | — | 202 |
| Edward Hospital | Naperville | Acute Care Hospitals | 3 | 1,257 |
| Linden Oaks at Edward | Naperville | Psychiatric | — | 0 |
| Washington County Hospital | Nashville | Critical Access Hospitals | — | 72 |
| Silver Cross Hospital and Medical Centers | New Lenox | Acute Care Hospitals | 5 | 932 |
| Silver Oaks Behavioral Hospital | New Lenox | Psychiatric | — | 0 |
| Carle Bromenn Medical Center | Normal | Acute Care Hospitals | 3 | 407 |
| North Chicago VA Medical Center | North Chicago | Acute Care - Veterans Administration | 4 | 0 |
| Hshs St Elizabeth's Hospital | O Fallon | Acute Care Hospitals | 4 | 597 |
| Advocate Christ Hospital & Medical Center | Oak Lawn | Acute Care Hospitals | 3 | 1,663 |
| Rush Oak Park Hospital | Oak Park | Acute Care Hospitals | 4 | 705 |
| West Suburban Medical Center | Oak Park | Acute Care Hospitals | 1 | 114 |
| Carle Richland Memorial Hospital | Olney | Critical Access Hospitals | 2 | 141 |
| Franciscan Health Olympia & Chicago Heights | Olympia Fields | Acute Care Hospitals | 3 | 388 |
| Palos Community Hospital | Palos Heights | Acute Care Hospitals | 4 | 1,745 |
| Pana Community Hospital | Pana | Critical Access Hospitals | 4 | 150 |
| Paris Community Hospital | Paris | Critical Access Hospitals | 3 | 190 |
| Advocate Lutheran General Hospital | Park Ridge | Acute Care Hospitals | 4 | 1,514 |
| Carle Health Pekin Hospital | Pekin | Acute Care Hospitals | 3 | 338 |
| Carle Health Methodist Hospital | Peoria | Acute Care Hospitals | 2 | 692 |
| Carle Health Proctor Hospital | Peoria | Acute Care Hospitals | 3 | 426 |
| Saint Francis Medical Center | Peoria | Acute Care Hospitals | 2 | 1,882 |
| Osf Saint Elizabeth Mdl Ctr | Peru | Acute Care Hospitals | 3 | 946 |
| Pinckneyville Community Hospital | Pinckneyville | Critical Access Hospitals | — | 82 |
| Illini Community Hospital | Pittsfield | Critical Access Hospitals | 3 | 134 |
| Saint James Hospital | Pontiac | Acute Care Hospitals | 4 | 367 |
| Osf Saint Clare Medical Center | Princeton | Critical Access Hospitals | 2 | 322 |
| Blessing Hospital | Quincy | Acute Care Hospitals | 4 | 586 |
| Red Bud Regional Hospital | Red Bud | Critical Access Hospitals | 4 | 92 |
| Crawford Memorial Hospital | Robinson | Critical Access Hospitals | 4 | 184 |
| Rochelle Community Hospital | Rochelle | Critical Access Hospitals | — | 133 |
| Trinity Rock Island | Rock Island | Acute Care Hospitals | 3 | 537 |
| Javon Bea Hospital | Rockford | Acute Care Hospitals | 3 | 498 |
| Saint Anthony Medical Center | Rockford | Acute Care Hospitals | 2 | 712 |
| Uw Health | Rockford | Acute Care Hospitals | 3 | 886 |
| Hardin County General Hospital & Clinic | Rosiclare | Critical Access Hospitals | 1 | 18 |
| Sarah D Culbertson Memorial Hospital | Rushville | Critical Access Hospitals | — | 98 |
| Salem Township Hospital | Salem | Critical Access Hospitals | 4 | 87 |
| Valley West Community Hospital | Sandwich | Critical Access Hospitals | 4 | 196 |
| Hshs Good Shepherd Hospital Inc | Shelbyville | Critical Access Hospitals | — | 88 |
| Genesis Hlth System DBA Genesis Mdl Ctr-Illini | Silvis | Acute Care Hospitals | 2 | 544 |
| Sparta Community Hospital | Sparta | Critical Access Hospitals | 3 | 134 |
| Andrew McFarland Mental Hlth Ctr | Springfield | Psychiatric | — | 0 |
| Memorial Medical Center | Springfield | Acute Care Hospitals | 3 | 1,227 |
| St Johns Hospital | Springfield | Acute Care Hospitals | 2 | 937 |
| Community Hospital of Staunton | Staunton | Critical Access Hospitals | — | 118 |
| Cgh Medical Center | Sterling | Acute Care Hospitals | 1 | 319 |
| Bhc Streamwood Hospital Inc | Streamwood | Psychiatric | — | 0 |
| Taylorville Memorial Hospital | Taylorville | Critical Access Hospitals | 2 | 294 |
| Carle Foundation Hospital | Urbana | Acute Care Hospitals | 2 | 1,107 |
| Osf Heart of Mary Medical Center | Urbana | Acute Care Hospitals | 3 | 21 |
| Fayette County Hospital | Vandalia | Critical Access Hospitals | — | 117 |
| Iroquois Memorial Hospital | Watseka | Critical Access Hospitals | — | 97 |
| Lake Behavioral Hospital | Waukegan | Psychiatric | — | 0 |
| Vista Medical Center East | Waukegan | Acute Care Hospitals | 2 | 193 |
| Northwestern Medicine Central Dupage Hospital | Winfield | Acute Care Hospitals | 5 | 4,617 |
| Midwestern Region Med Center, Inc | Zion | Acute Care Hospitals | 4 | 125 |