| UAB Hospital |
Alabama, United States |
| UAB Medicine |
, |
| UC Davis Medical Center |
California, United States |
| UC Davis Medical Center |
California, United States |
| UC Health |
Alabama, United States |
| UCHealth |
Colorado, United States |
| UCI Health |
California, United States |
| UCLA HEALTH |
California, United States |
| UCLA Health |
California, United States |
| UCLA Health |
New York, United States |
| UCLA Health System |
California, United States |
| UCSD Medical Center |
, |
| UCSF Health |
California, United States |
| UF Health |
Florida, |
| UF Health Proton Therapy Institute |
Florida, United States |
| UF Health Shands |
Florida, United States |
| UHS |
Virginia, United States |
| UHS (United Health Services) |
New York, United States |
| UHS of Delaware, Inc. |
Pennsylvania, United States |
| UHS/ALOYSIUS BUTLER & CLARK |
New York, United States |
| UI Health |
Illinois, United States |
| Umpqua Health |
Oregon, United States |
| UNC Health |
North Carolina, United States |
| UNC Healthcare |
North Carolina, United States |
| United Regional Health Care System |
Texas, United States |
| Unity Health |
Arkansas, United States |
| UnityPoint Health |
Iowa, United States |
| UnityPoint Health -Des Moines |
Iowa, United States |
| Univ of KY |
Kentucky, United States |
| University Health |
Missouri, United States |
| UNIVERSITY HEALTH - SHREVEPORT |
Louisiana, United States |
| University Hospital |
New Jersey, United States |
| University Medical Center Southern Nevada |
Nevada, United States |
| University of Arkansas for Medical Sciences |
Arkansas, United States |
| University of Arkansas for Medical Sciences |
Arkansas, United States |
| University of California San Francisco |
California, United States |
| University of California, San Diego |
, |
| University of Chicago Biological |
Illinois, United States |
| University of Illinois Hospital and Health Sciences System |
Illinois, United States |
| University of Miami/UHealth |
Florida, United States |
| University of New Mexico Hospital |
New Mexico, United States |
| University of Rochester Medical Faculty Group |
New York, United States |
| University of South Alabama Medical Center |
Alabama, United States |
| University of South Carolina School of Medicine |
South Carolina, United States |
| University of Tennessee Medical Center |
Tennessee, United States |
| University of Utah Health |
Utah, United States |
| UNIVERSITY OF UTAH HEALTH |
Utah, United States |
| University of Virginia Medical Center |
Virginia, United States |
| University Physicians |
Missouri, United States |
| UNM Hospital |
California, United States |
| Upland Hills Health |
Wisconsin, United States |
| UPMC |
Pennsylvania, United States |
| UPMC |
Pennsylvania, United States |
| UPMC |
Pennsylvania, United States |
| UT Health Science Center San Antonio |
Texas, United States |
| UT Southwestern Medical Center |
Texas, United States |
| Uvalde Memorial Hospital |
Texas, United States |
| UW Medicine |
Washington, United States |
| UW Medicine Health System |
Washington, United States |
| UW Physicians |
Washington, United States |
| UW Physicians |
Washington, United States |
