| Monroe County Hospital & Clinics | Albia |
| Kossuth Regional Health Center | Algona |
| Mary Greeley Medical Center | Ames |
| UnityPoint Health-Jones Regional Medical Center | Anamosa |
| Cass Health | Atlantic |
| Audubon County Memorial Hospital & Clinics | Audubon |
| Iowa Specialty Hospital-Belmond | Belmond |
| UnityPoint Health-Trinity Bettendorf | Bettendorf |
| Davis County Hospital & Clinics | Bloomfield |
| Boone County Hospital | Boone |
| Hancock County Health System | Britt |
| St. Anthony Regional Hospital | Carroll |
| MercyOne Cedar Falls Medical Center | Cedar Falls |
| Mercy Medical Center - Cedar Rapids | Cedar Rapids |
| UnityPoint Health-St. Luke's Hospital | Cedar Rapids |
| MercyOne Centerville Medical Center | Centerville |
| Lucas County Health Center | Chariton |
| Floyd County Medical Center | Charles City |
| Cherokee Regional Medical Center | Cherokee |
| Clarinda Regional Health Center | Clarinda |
| Iowa Specialty Hospital-Clarion | Clarion |
| MercyOne Clinton Medical Center | Clinton |
| MercyOne Clive Rehabilitation Hospital | Clive |
| Clive Behavioral Health | Clive |
| Mercy Iowa City Rehabilitation Hospital | Coralville |
| University of Iowa Health Network Rehabilitation Hospital | Coralville |
| CHI Health Mercy Corning | Corning |
| Wayne County Hospital and Clinic System | Corydon |
| CHI Health Mercy Council Bluffs | Council Bluffs |
| Methodist Jennie Edmundson | Council Bluffs |
| Regional Health Services of Howard Co. | Cresco |
| Greater Regional Health | Creston |
| Select Specialty Hospital-Quad Cities Inc. | Davenport |
| Genesis Medical Center-Davenport | Davenport |
| Genesis Medical Center-De Witt | De Witt |
| Winneshiek Medical Center | Decorah |
| Crawford County Memorial Hospital | Denison |
| Broadlawns Medical Center | Des Moines |
| Select Specialty Hospital-Des Moines | Des Moines |
| MercyOne Des Moines Medical Center | Des Moines |
| UnityPoint Health-Blank Children's Hospital | Des Moines |
| UnityPoint Health-Iowa Lutheran Hospital | Des Moines |
| UnityPoint Health-Iowa Methodist Medical Center | Des Moines |
| MercyOne Dubuque Medical Center | Dubuque |
| UnityPoint Health-Finley Hospital | Dubuque |
| MercyOne Dyersville Medical Center | Dyersville |
| MercyOne Elkader Medical Center | Elkader |
| Palo Alto County Health System | Emmetsburg |
| Avera Holy Family Hospital | Estherville |
| Jefferson County Health Center | Fairfield |
| UnityPoint Health-Trinity Regional Medical Center | Fort Dodge |
| Southeast Iowa Regional Medical Center, Inc - Fort Madison Campus | Fort Madison |
| Adair County Health System | Greenfield |
| UnityPoint Health-Grinnell Regional Medical Center | Grinnell |
| Grundy County Memorial Hospital | Grundy Center |
| Guthrie County Hospital | Guthrie Center |
| Guttenberg Municipal Hospital and Clinics | Guttenberg |
| George C. Grape Community Hospital | Hamburg |
| Franklin General Hospital | Hampton |
| Myrtue Medical Center | Harlan |
| Hawarden Regional Healthcare | Hawarden |
| Humboldt County Memorial Hospital | Humboldt |
| Horn Memorial Hospital | Ida Grove |
| Buchanan County Health Center | Independence |
| Mercy Iowa City | Iowa City |
| University of Iowa Hospitals & Clinics | Iowa City |
| Hansen Family Hospital | Iowa Falls |
| Greene County Medical Center | Jefferson |
| ChildServe | Johnston |
| Van Buren County Hospital | Keosauqua |
| Knoxville Hospital & Clinics | Knoxville |
| Stewart Memorial Community Hospital | Lake City |
| Floyd Valley Healthcare | Le Mars |
| Regional Medical Center | Manchester |
| Manning Regional Healthcare Center | Manning |
| Jackson County Regional Health Center | Maquoketa |
| Compass Memorial Healthcare | Marengo |
| UnityPoint Health-Marshalltown | Marshalltown |
| MercyOne North Iowa Medical Center | Mason City |
| CHI Health Missouri Valley | Missouri Valley |
| Ringgold County Hospital | Mount Ayr |
| Henry County Health Center | Mount Pleasant |
| UnityPoint Health-Trinity Muscatine | Muscatine |
| Story County Medical Center | Nevada |
| MercyOne New Hampton Medical Center | New Hampton |
| MercyOne Newton Medical Center | Newton |
| MercyOne Oelwein Medical Center | Oelwein |
| Burgess Health Center | Onawa |
| Orange City Area Health System | Orange City |
| Mitchell County Regional Health Center | Osage |
| Clarke County Hospital | Osceola |
| Mahaska Health | Oskaloosa |
| Ottumwa Regional Health Center | Ottumwa |
| Pella Regional Health Center | Pella |
| Dallas County Hospital | Perry |
| Pocahontas Community Hospital | Pocahontas |
| MercyOne Primghar Medical Center | Primghar |
| Montgomery County Memorial Hospital | Red Oak |
| Avera Merrill Pioneer Hospital | Rock Rapids |
| Hegg Health Center | Rock Valley |
| Loring Hospital | Sac City |
| Sanford Medical Center Sheldon | Sheldon |
| Shenandoah Medical Center | Shenandoah |
| Osceola Regional Health Center | Sibley |
| Keokuk County Health Center | Sigourney |
| Sioux Center Health | Sioux Center |
| MercyOne Siouxland Medical Center | Sioux City |
| UnityPoint Health-St. Luke's, Sioux City | Sioux City |
| Spencer Hospital | Spencer |
| Lakes Regional Healthcare | Spirit Lake |
| Buena Vista Regional Medical Center | Storm Lake |
| Community Memorial Hospital | Sumner |
| Virginia Gay Hospital | Vinton |
| Washington County Hospital & Clinics | Washington |
| MercyOne Waterloo Medical Center | Waterloo |
| UnityPoint Health-Allen Hospital | Waterloo |
| Veterans Memorial Hospital | Waukon |
| Waverly Health Center | Waverly |
| Van Diest Medical Center | Webster City |
| Southeast Iowa Regional Medical Center, Inc | West Burlington |
| MercyOne West Des Moines Medical Center | West Des Moines |
| UnityPoint Health-Methodist West Hospital | West Des Moines |
| Gundersen Palmer Lutheran Hospital and Clinics | West Union |
| Madison County Health Care System | Winterset |