| Chickasaw Nation Medical Center | Ada | Acute Care Hospitals | 5 | 229 |
| Mercy Hospital Ada | Ada | Acute Care Hospitals | 4 | 312 |
| Rolling Hills Hospital, LLC | Ada | Psychiatric | — | 0 |
| Jackson County Memorial Hospital Authority | Altus | Acute Care Hospitals | 3 | 162 |
| Share Medical Center | Alva | Critical Access Hospitals | — | 49 |
| The Physicians' Hospital in Anadarko | Anadarko | Critical Access Hospitals | — | 22 |
| Pushmataha Hospital | Antlers | Acute Care Hospitals | 3 | 26 |
| Exceptional Community Hospital Ardmore | Ardmore | Acute Care Hospitals | — | 30 |
| Mercy Hospital Ardmore, Inc | Ardmore | Acute Care Hospitals | 4 | 389 |
| Atoka County Medical Center | Atoka | Critical Access Hospitals | 4 | 35 |
| Ascension St John Jane Phillips | Bartlesville | Acute Care Hospitals | 3 | 430 |
| Beaver County Memorial Hospital | Beaver | Critical Access Hospitals | — | 15 |
| The Children's Center, Inc | Bethany | Childrens | — | 0 |
| Stillwater Medical-Blackwell | Blackwell | Rural Emergency Hospital | — | 68 |
| Cimarron Memorial Hospital | Boise City | Critical Access Hospitals | — | 8 |
| Carrus Lakeside Hospital | Bristow | Acute Care Hospitals | — | 6 |
| Ascension St John Broken Arrow | Broken Arrow | Acute Care Hospitals | 4 | 331 |
| Harper County Community Hospital | Buffalo | Rural Emergency Hospital | — | 17 |
| Carnegie Tri-County Municipal Hospital | Carnegie | Critical Access Hospitals | — | 19 |
| Roger Mills Memorial Hospital | Cheyenne | Critical Access Hospitals | — | 15 |
| Grady Memorial Hospital | Chickasha | Acute Care Hospitals | 2 | 141 |
| Claremore Indian Hospital | Claremore | Acute Care Hospitals | — | 3 |
| Hillcrest Hospital Claremore | Claremore | Acute Care Hospitals | 4 | 277 |
| Cleveland Area Hospital | Cleveland | Critical Access Hospitals | — | 36 |
| Clinton Regional Hospital | Clinton | Acute Care Hospitals | — | 13 |
| Clinton Regional Hospital | Clinton | Rural Emergency Hospital | — | 30 |
| Coal County General Hospital, Inc. | Coalgate | Critical Access Hospitals | 4 | 14 |
| Cordell Memorial Hospital | Cordell | Critical Access Hospitals | — | 38 |
| Hillcrest Hospital Cushing | Cushing | Acute Care Hospitals | 4 | 106 |
| Drumright Regional Hospital | Drumright | Critical Access Hospitals | — | 18 |
| Duncan Regional Hospital, Inc | Duncan | Acute Care Hospitals | 3 | 315 |
| Alliancehealth Durant | Durant | Acute Care Hospitals | 1 | 174 |
| Integris Health Edmond Hospital | Edmond | Acute Care Hospitals | 2 | 393 |
| Summit Medical Center, LLC | Edmond | Acute Care Hospitals | — | 72 |
| Great Plains Regional Medical Center | Elk City | Acute Care Hospitals | 2 | 136 |
| Integris Health Enid Hospital | Enid | Acute Care Hospitals | 3 | 304 |
| St Mary's Regional Medical Center | Enid | Acute Care Hospitals | 3 | 256 |
| Rural Wellness Fairfax Hospital | Fairfax | Critical Access Hospitals | — | 16 |
| Fairview Regional Medical Center Authority | Fairview | Critical Access Hospitals | — | 57 |
| Northwest Center for Behavioral Health (Ncbh) | Fort Supply | Psychiatric | — | 0 |
| Integris Grove Hospital | Grove | Acute Care Hospitals | 4 | 112 |
| Mercy Hospital Logan County | Guthrie | Critical Access Hospitals | — | 148 |
| Memorial Hospital of Texas County Authority | Guymon | Critical Access Hospitals | — | 34 |
| Mercy Hospital Healdton, Inc. | Healdton | Critical Access Hospitals | — | 37 |
| Hillcrest Hospital Henryetta | Henryetta | Acute Care Hospitals | — | 129 |
| Elkview General Hospital | Hobart | Rural Emergency Hospital | — | 37 |
| Holdenville General Hospital | Holdenville | Critical Access Hospitals | — | 58 |
| Harmon Memorial Hospital | Hollis | Critical Access Hospitals | — | 21 |
| Choctaw Memorial Hospital | Hugo | Acute Care Hospitals | 1 | 41 |
| McCurtain Memorial Hospital | Idabel | Critical Access Hospitals | 4 | 99 |
| Mercy Hospital Kingfisher, Inc | Kingfisher | Critical Access Hospitals | — | 109 |
| Jim Taliaferro Comm Mental Health Ctr | Lawton | Psychiatric | — | 0 |
| Lawton Indian Hospital | Lawton | Acute Care Hospitals | — | 154 |
| Memorial Health | Lawton | Acute Care Hospitals | 2 | 462 |
| Southwestern Medical Center | Lawton | Acute Care Hospitals | 2 | 77 |
| Lindsay Municipal Hospital | Lindsay | Acute Care Hospitals | — | 14 |
| Alliancehealth Madill | Madill | Critical Access Hospitals | — | 55 |
| Mangum Regional Medical Center | Mangum | Critical Access Hospitals | — | 12 |
| Mercy Hospital Marietta | Marietta | Critical Access Hospitals | — | 31 |
| Carl Albert Community Mental Health Center | McAlester | Psychiatric | — | 0 |
| McAlester Regional Health Center | McAlester | Acute Care Hospitals | 3 | 203 |
| Integris Miami Hospital | Miami | Acute Care Hospitals | 4 | 109 |
| Ssm Health St Anthony Hospital - Midwest | Midwest City | Acute Care Hospitals | 2 | 404 |
| Muskogee VA Medical Center | Muskogee | Acute Care - Veterans Administration | 5 | 0 |
| Saint Francis Hospital Muskogee | Muskogee | Acute Care Hospitals | 3 | 698 |
| Behavioral Health Center at Porter Health Village | Norman | Psychiatric | — | 0 |
| Griffin Memorial Hospital | Norman | Psychiatric | — | 0 |
| J D McCarty Center for Children | Norman | Childrens | — | 0 |
| Norman Regional | Norman | Acute Care Hospitals | 2 | 708 |
| Ascension St John Nowata | Nowata | Critical Access Hospitals | — | 7 |
| Okeene Municipal Hospital | Okeene | Critical Access Hospitals | — | 34 |
| Creek Nation Community Hospital | Okemah | Critical Access Hospitals | — | 171 |
| Cedar Ridge Behavioral Hospital | Oklahoma City | Psychiatric | — | 0 |
| Community Hospital, LLC | Oklahoma City | Acute Care Hospitals | 4 | 204 |
| Integris Baptist Medical Center, Inc | Oklahoma City | Acute Care Hospitals | 3 | 1,213 |
| Integris Community Hospital - Council Crossing | Oklahoma City | Acute Care Hospitals | — | 36 |
| Integris Southwest Medical Center | Oklahoma City | Acute Care Hospitals | 2 | 607 |
| Lakeside Women's Hospital, A Member of Integris He | Oklahoma City | Acute Care Hospitals | — | 106 |
| McBride Orthopedic Hospital | Oklahoma City | Acute Care Hospitals | — | 105 |
| Mercy Hospital Oklahoma City, Inc | Oklahoma City | Acute Care Hospitals | 4 | 1,108 |
| Northwest Surgical Hospital | Oklahoma City | Acute Care Hospitals | — | 31 |
| O U Medical Center | Oklahoma City | Acute Care Hospitals | 2 | 1,831 |
| Oakwood Springs, LLC | Oklahoma City | Psychiatric | — | 0 |
| Oklahoma Center for Orthopaedic & Multi-Sp | Oklahoma City | Acute Care Hospitals | — | 139 |
| Oklahoma City VA Medical Center | Oklahoma City | Acute Care - Veterans Administration | 2 | 0 |
| Oklahoma Heart Hospital South, LLC | Oklahoma City | Acute Care Hospitals | 5 | 227 |
| Oklahoma Heart Hospital, LLC | Oklahoma City | Acute Care Hospitals | 4 | 356 |
| Oklahoma Spine Hospital | Oklahoma City | Acute Care Hospitals | — | 103 |
| Onecore Health | Oklahoma City | Acute Care Hospitals | — | 87 |
| Ssm Health St Anthony Hospital - Oklahoma City | Oklahoma City | Acute Care Hospitals | 4 | 785 |
| Surgical Hospital of Oklahoma | Oklahoma City | Acute Care Hospitals | — | 17 |
| Muscogee (Creek) Nation Medical Center | Okmulgee | Acute Care Hospitals | — | 138 |
| Bailey Medical Center, LLC | Owasso | Acute Care Hospitals | 5 | 234 |
| St John Owasso | Owasso | Acute Care Hospitals | 5 | 240 |
| Valley Community Hospital | Pauls Valley | Acute Care Hospitals | — | 0 |
| Pawhuska Hospital, Inc | Pawhuska | Critical Access Hospitals | — | 19 |
| Stillwater Medical - Perry | Perry | Rural Emergency Hospital | — | 46 |
| Integris Health Ponca City | Ponca City | Acute Care Hospitals | 2 | 145 |
| Eastern Oklahoma Medical Center | Poteau | Critical Access Hospitals | 4 | 101 |
| Prague Regional Memorial Hospital | Prague | Critical Access Hospitals | — | 9 |
| Hillcrest Hospital Pryor | Pryor | Acute Care Hospitals | 4 | 186 |
| Purcell Municipal Hospital | Purcell | Acute Care Hospitals | 3 | 135 |
| Sequoyah County-City of Sallisaw Hospital Authorit | Sallisaw | Acute Care Hospitals | 3 | 79 |
| Ascension St John Sapulpa | Sapulpa | Critical Access Hospitals | — | 127 |
| Seiling Municipal Hospital | Seiling | Critical Access Hospitals | — | 14 |
| Newman Memorial Hospital | Shattuck | Critical Access Hospitals | — | 44 |
| Ssm Health St Anthony Hospital - Shawnee | Shawnee | Acute Care Hospitals | 3 | 452 |
| Haskell Regional Hospital, Inc | Stigler | Critical Access Hospitals | — | 19 |
| Stillwater Medical Center | Stillwater | Acute Care Hospitals | 4 | 399 |
| Memorial Hospital | Stilwell | Acute Care Hospitals | 4 | 5 |
| Rural Wellness Stroud Hospital | Stroud | Critical Access Hospitals | — | 20 |
| Arbuckle Memorial Hospital Authority | Sulphur | Critical Access Hospitals | 4 | 98 |
| Cherokee Nation W W Hastings Indian Hospital | Tahlequah | Acute Care Hospitals | 3 | 612 |
| Northeastern Health System | Tahlequah | Acute Care Hospitals | 2 | 337 |
| Choctaw Nation Health Services Authority | Talihina | Acute Care Hospitals | — | 212 |
| Mercy Hospital Tishomingo Inc | Tishomingo | Critical Access Hospitals | — | 26 |
| Ascension St John Medical Center | Tulsa | Acute Care Hospitals | 3 | 939 |
| Brookhaven Hospital, LLC | Tulsa | Psychiatric | — | 0 |
| Council Oak Comprehensive Healthcare | Tulsa | Acute Care Hospitals | — | 132 |
| Hillcrest Hospital South | Tulsa | Acute Care Hospitals | 3 | 555 |
| Hillcrest Medical Center | Tulsa | Acute Care Hospitals | 3 | 803 |
| Laureate Psychiatric Clinic and Hospital, Inc | Tulsa | Psychiatric | — | 0 |
| Oklahoma State University Medical Center | Tulsa | Acute Care Hospitals | 2 | 162 |
| Oklahoma Surgical Hospital, LLC | Tulsa | Acute Care Hospitals | 5 | 278 |
| Parkside, Inc | Tulsa | Psychiatric | — | 0 |
| Saint Francis Hospital South, LLC | Tulsa | Acute Care Hospitals | 5 | 796 |
| Saint Francis Hospital, Inc | Tulsa | Acute Care Hospitals | 5 | 1,413 |
| Tulsa Center for Behavioral Health | Tulsa | Psychiatric | — | 0 |
| Tulsa Spine & Specialty Hospital | Tulsa | Acute Care Hospitals | — | 96 |
| Saint Francis Hospital Vinita, Inc | Vinita | Acute Care Hospitals | 3 | 215 |
| Wagoner Community Hospital | Wagoner | Acute Care Hospitals | 2 | 52 |
| Mercy Hospital Watonga, Inc | Watonga | Critical Access Hospitals | — | 47 |
| Jefferson County Hospital | Waurika | Critical Access Hospitals | — | 61 |
| Weatherford Regional Hospital, Inc of Weatherford | Weatherford | Critical Access Hospitals | — | 125 |
| Integris Health Woodward Hospital | Woodward | Acute Care Hospitals | 3 | 116 |
| Integris Canadian Valley Hospital | Yukon | Acute Care Hospitals | 4 | 354 |