| Schneck Medical Center | Seymour, IN | Acute Care Hospitals | 4 stars |
| Schoolcraft Memorial Hospital | Manistique, MI | Critical Access Hospitals | Not rated |
| Sck Health | Arkansas City, KS | Rural Emergency Hospital | Not rated |
| Sedan City Hospital | Sedan, KS | Critical Access Hospitals | Not rated |
| Sedgwick County Memorial Hospital | Julesburg, CO | Critical Access Hospitals | Not rated |
| Sempervirens | Eureka, CA | Psychiatric | Not rated |
| Sequoyah County-City of Sallisaw Hospital Authorit | Sallisaw, OK | Acute Care Hospitals | 3 stars |
| Sevier County Medical Center | De Queen, AR | Critical Access Hospitals | Not rated |
| Sharkey Issaquena Community Hospital | Rolling Fork, MS | Rural Emergency Hospital | Not rated |
| Sheridan County Hospital | Hoxie, KS | Critical Access Hospitals | Not rated |
| Sheridan Memorial Hospital | Sheridan, WY | Acute Care Hospitals | 3 stars |
| Sierra Vista Hospital | T Or C, NM | Critical Access Hospitals | Not rated |
| Singing River Health System | Pascagoula, MS | Acute Care Hospitals | 1 star |
| Sleepy Eye Medical Center | Sleepy Eye, MN | Critical Access Hospitals | Not rated |
| Smith County Emergency Hospital | Raleigh, MS | Rural Emergency Hospital | Not rated |
| Smith County Memorial Hospital | Smith Center, KS | Critical Access Hospitals | Not rated |
| South Central Health | Wishek, ND | Critical Access Hospitals | Not rated |
| South Central Reg Med Ctr | Laurel, MS | Acute Care Hospitals | 1 star |
| South Florida State Hospital | Pembroke Pines, FL | Psychiatric | Not rated |
| South Mississippi County Regional Medical Center | Osceola, AR | Rural Emergency Hospital | Not rated |
| South Sunflower County Hospital | Indianola, MS | Acute Care Hospitals | 2 stars |
| Southwest Medical Center | Liberal, KS | Acute Care Hospitals | 1 star |
| Southwest Ms Regional Medical Center | McComb, MS | Acute Care Hospitals | 2 stars |
| Spencer Municipal Hospital | Spencer, IA | Acute Care Hospitals | 4 stars |
| St Elizabeth Dearborn Hospital | Lawrenceburg, IN | Acute Care Hospitals | 5 stars |
| St Michael's Hospital - CAH | Tyndall, SD | Critical Access Hospitals | Not rated |
| Stafford County Hospital | Stafford, KS | Critical Access Hospitals | Not rated |
| Stanton County Hospital | Johnson, KS | Critical Access Hospitals | Not rated |
| Steele Memorial Medical Center | Salmon, ID | Critical Access Hospitals | 3 stars |
| Stevens County Hospital | Hugoton, KS | Critical Access Hospitals | 4 stars |
| Story County Hospital | Nevada, IA | Critical Access Hospitals | Not rated |
| Sturgis Hospital | Sturgis, MI | Rural Emergency Hospital | Not rated |
| Sullivan County Community Hospital | Sullivan, IN | Critical Access Hospitals | Not rated |
| Sullivan County Memorial Hospital | Milan, MO | Critical Access Hospitals | Not rated |
| Tallahatchie General Hospital-CAH | Charleston, MS | Critical Access Hospitals | Not rated |
| Texas County Memorial Hospital | Houston, MO | Acute Care Hospitals | 2 stars |
| Thayer County Health Services | Hebron, NE | Critical Access Hospitals | Not rated |
| Thomas B Finan Center | Cumberland, MD | Psychiatric | Not rated |
| Thomas H Boyd Memorial Hospital | Carrollton, IL | Critical Access Hospitals | Not rated |
| Throckmorton County Memorial Hospital | Throckmorton, TX | Critical Access Hospitals | Not rated |
| Tippah County Hospital | Ripley, MS | Critical Access Hospitals | 4 stars |
| Trego County Lemke Memorial Hospital | Wakeeney, KS | Critical Access Hospitals | Not rated |
| Trihealth Clinton Regional Hospital | Wilmington, OH | Acute Care Hospitals | 2 stars |
| Twin Valley Behavioral Healthcare | Columbus, OH | Psychiatric | Not rated |
| Tyler Holmes Memorial Hospital CAH | Winona, MS | Critical Access Hospitals | Not rated |
| Uch-Memorial Health System | Colorado Springs, CO | Acute Care Hospitals | 4 stars |
| UCI Health-Orange | Orange, CA | Acute Care Hospitals | 4 stars |
| Union County General Hospital | Clayton, NM | Critical Access Hospitals | Not rated |
| Union General Hospital | Blairsville, GA | Acute Care Hospitals | 3 stars |
| Unity Health - Newport | Newport, AR | Critical Access Hospitals | Not rated |