| UC San Diego Health Hillcrest - Hillcrest Med Ctr | San Diego, CA | Acute Care Hospitals | Voluntary non-profit - Other | 5 stars |
| Ucf Lake Nona Hospital | Orlando, FL | Acute Care Hospitals | Proprietary | 3 stars |
| Uch-Memorial Health System | Colorado Springs, CO | Acute Care Hospitals | Government - Local | 4 stars |
| Uchealth Broomfield Hospital | Broomfield, CO | Acute Care Hospitals | Proprietary | Not rated |
| Uchealth Grandview Hospital | Colorado Springs, CO | Acute Care Hospitals | Voluntary non-profit - Private | Not rated |
| Uchealth Greeley Hospital | Greeley, CO | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| Uchealth Highlands Ranch Hospital | Highlands Ranch, CO | Acute Care Hospitals | Voluntary non-profit - Private | 5 stars |
| Uchealth Pikes Peak Regional Hospital | Woodland Park, CO | Critical Access Hospitals | Voluntary non-profit - Private | Not rated |
| Uchealth Yampa Valley Medical Center | Steamboat Springs, CO | Acute Care Hospitals | Voluntary non-profit - Private | Not rated |
| Uchicago Medicine Adventhealth Bolingbrook | Bolingbrook, IL | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |
| Uchicago Medicine Adventhealth Glenoaks | Glendale Heights, IL | Acute Care Hospitals | Voluntary non-profit - Other | 3 stars |
| Uchicago Medicine Adventhealth Hinsdale | Hinsdale, IL | Acute Care Hospitals | Voluntary non-profit - Private | 5 stars |
| Uchicago Medicine Adventhealth la Grange | La Grange, IL | Acute Care Hospitals | Voluntary non-profit - Church | 5 stars |
| Uchicago Medicine Northwest Indiana | Crown Point, IN | Acute Care Hospitals | Voluntary non-profit - Private | Not rated |
| UCI Health - Fountain Valley | Fountain Valley, CA | Acute Care Hospitals | Proprietary | 2 stars |
| UCI Health - los Alamitos | Los Alamitos, CA | Acute Care Hospitals | Proprietary | 1 star |
| UCI Health-Lakewood | Lakewood, CA | Acute Care Hospitals | Proprietary | 2 stars |
| UCI Health-Orange | Orange, CA | Acute Care Hospitals | Government - Local | 4 stars |
| UCLA West Valley Medical Center | West Hills, CA | Acute Care Hospitals | Proprietary | 2 stars |
| UCSF Benioff Children's Hospital Oakland | Oakland, CA | Childrens | Voluntary non-profit - Private | Not rated |
| UCSF Health Saint Francis Hospital | San Francisco, CA | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |
| UCSF Health St. Mary's Hospital | San Francisco, CA | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| UCSF Langley Porter Psychiatric Hospital and Clinics | San Francisco, CA | Psychiatric | Government - State | Not rated |
| UCSF Medical Center | San Francisco, CA | Acute Care Hospitals | Voluntary non-profit - Other | 4 stars |
| UF Health Leesburg Hospital | Leesburg, FL | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |
| UF Health Shands Hospital | Gainesville, FL | Acute Care Hospitals | Voluntary non-profit - Private | 5 stars |
| UH Cleveland Medical Center | Cleveland, OH | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |
| UH Regional Hospitals | Chardon, OH | Acute Care Hospitals | Proprietary | 4 stars |
| UH St John Medical Center | Westlake, OH | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| Uhhs Memorial Hospital of Geneva | Geneva, OH | Critical Access Hospitals | Voluntary non-profit - Private | 4 stars |
| Uintah Basin Medical Center | Roosevelt, UT | Acute Care Hospitals | Voluntary non-profit - Other | 2 stars |
| Um Upper Chesapeake Behavioral Health Pavilion at | Aberdeen, MD | Psychiatric | Voluntary non-profit - Private | Not rated |
| Umass Memorial Health - Harrington Hospital | Southbridge, MA | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |
| Umass Memorial Healthalliance Hospitals | Leominster, MA | Acute Care Hospitals | Voluntary non-profit - Other | 3 stars |
| Umass Memorial Medical Center/University Campus | Worcester, MA | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |
| Umd Rehabilitation & Orthopaedic Institute | Baltimore, MD | Acute Care Hospitals | Voluntary non-profit - Private | Not rated |
| Umd Upper Chesapeake Medical Center | Bel Air, MD | Acute Care Hospitals | Voluntary non-profit - Other | 2 stars |
| UNC Health Care Wayne | Goldsboro, NC | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |
| UNC Health Nash | Rocky Mount, NC | Acute Care Hospitals | Government - Hospital District or Authority | 4 stars |
| UNC Hospitals | Chapel Hill, NC | Acute Care Hospitals | Government - State | 5 stars |
| UNC Lenoir Health Care | Kinston, NC | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| UNC Rockingham | Eden, NC | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| Union County General Hospital | Clayton, NM | Critical Access Hospitals | Government - Local | Not rated |
| Union General Hospital | Blairsville, GA | Acute Care Hospitals | Government - Local | 3 stars |
| Union General Hospital | Farmerville, LA | Critical Access Hospitals | Voluntary non-profit - Private | Not rated |
| Union Hospital | Dover, OH | Acute Care Hospitals | Voluntary non-profit - Other | 3 stars |
| Union Hospital Clinton | Clinton, IN | Critical Access Hospitals | Voluntary non-profit - Private | 2 stars |
| Union Hospital Inc | Terre Haute, IN | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |
| Union Hospital of Cecil County | Elkton, MD | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| Union Medical Center | Union, SC | Acute Care Hospitals | Voluntary non-profit - Other | Not rated |
| Uniontown Hospital | Uniontown, PA | Acute Care Hospitals | Voluntary non-profit - Private | 2 stars |
| United Health Services Hospitals, Inc | Binghamton, NY | Acute Care Hospitals | Voluntary non-profit - Private | 2 stars |
| United Hospital Center, Inc | Bridgeport, WV | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| United Hospital District | Blue Earth, MN | Critical Access Hospitals | Government - Hospital District or Authority | 5 stars |
| United Medical Center | Washington, DC | Acute Care Hospitals | Proprietary | 3 stars |
| United Memorial Medical Center | Batavia, NY | Acute Care Hospitals | Voluntary non-profit - Private | 2 stars |
| United Methodist Behavioral Hospital | Maumelle, AR | Psychiatric | Voluntary non-profit - Private | Not rated |
| United Regional Health Care System | Wichita Falls, TX | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |
| Unity Health - Jacksonville | Jacksonville, AR | Acute Care Hospitals | Voluntary non-profit - Private | Not rated |
| Unity Health - Newport | Newport, AR | Critical Access Hospitals | Government - Local | Not rated |
| Unity Hospital | Rochester, NY | Acute Care Hospitals | Voluntary non-profit - Private | 2 stars |
| Unity Medical Center | Grafton, ND | Critical Access Hospitals | Voluntary non-profit - Private | Not rated |
| Unity Medical Center | Manchester, TN | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |
| Unity Physicians Hospital | Mishawaka, IN | Acute Care Hospitals | Physician | Not rated |
| Unity Psychiatric Care - Huntsville | Huntsville, AL | Psychiatric | Proprietary | Not rated |
| Unity Psychiatric Care-Clarksville | Clarksville, TN | Psychiatric | Proprietary | Not rated |
| Unity Psychiatric Care-Columbia | Columbia, TN | Psychiatric | Proprietary | Not rated |
| Unity Psychiatric Care-Martin | Martin, TN | Psychiatric | Proprietary | Not rated |
| Unity Psychiatric Care-Memphis | Memphis, TN | Psychiatric | Proprietary | Not rated |
| Unity Specialty Hospital | Rochester, NY | Acute Care Hospitals | Voluntary non-profit - Private | Not rated |
| Unitypoint Health - Des Moines Iowa Methodist Medi | Des Moines, IA | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |
| Unitypoint Health - Marshalltown | Marshalltown, IA | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |
| Unitypoint Health - Meriter | Madison, WI | Acute Care Hospitals | Voluntary non-profit - Private | 5 stars |
| Univ. of Vermont - Fletcher Allen Health Care | Burlington, VT | Acute Care Hospitals | Voluntary non-profit - Other | 4 stars |
| Universal Behavioral Health Hospital | Hammond, LA | Psychiatric | Proprietary | Not rated |
| University of Ks Hlth System Great Bend Campus | Great Bend, KS | Acute Care Hospitals | Government - Hospital District or Authority | 4 stars |
| University Behavioral Center | Orlando, FL | Psychiatric | Voluntary non-profit - Private | Not rated |
| University Behavioral Health Care | Piscataway, NJ | Psychiatric | Government - State | Not rated |
| University Behavioral Health of Denton | Denton, TX | Psychiatric | Government - State | Not rated |
| University Health Lakewood Medical Center | Kansas City, MO | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| University Health System | San Antonio, TX | Acute Care Hospitals | Government - Hospital District or Authority | 3 stars |
| University Health System, Inc | Knoxville, TN | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| University Hospital and Medical Center | Tamarac, FL | Acute Care Hospitals | Proprietary | 2 stars |
| University Hospital S U N Y Health Science Center | Syracuse, NY | Acute Care Hospitals | Government - State | 3 stars |
| University Hospitals - Elyria Medical Center | Elyria, OH | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| University Hospitals Ahuja Medical Center | Beachwood, OH | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |
| University Hospitals Conneaut Medical Center | Conneaut, OH | Critical Access Hospitals | Voluntary non-profit - Other | 4 stars |
| University Hospitals Portage Medical Center | Ravenna, OH | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |
| University Hospitals Samaritan Medical Center | Ashland, OH | Acute Care Hospitals | Voluntary non-profit - Other | 4 stars |
| University McDuffie County Regional Medical Center | Thomson, GA | Acute Care Hospitals | Government - Hospital District or Authority | Not rated |
| University Medical Center | Las Vegas, NV | Acute Care Hospitals | Voluntary non-profit - Other | 2 stars |
| University Medical Center | Lubbock, TX | Acute Care Hospitals | Government - Hospital District or Authority | 2 stars |
| University Medical Center New Orleans | New Orleans, LA | Acute Care Hospitals | Voluntary non-profit - Private | 2 stars |
| University Medical Center of El Paso | El Paso, TX | Acute Care Hospitals | Physician | 3 stars |
| University Medical Center of Princeton at Plainsboro | Plainsboro, NJ | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| University of Alabama Hospital | Birmingham, AL | Acute Care Hospitals | Government - State | 2 stars |
| University of Arkansas Medical Sciences | Little Rock, AR | Acute Care Hospitals | Government - State | 2 stars |
| University of California Davis Medical Center | Sacramento, CA | Acute Care Hospitals | Government - Hospital District or Authority | 4 stars |
| University of Cincinnati Medical Center, LLC | Cincinnati, OH | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |
| University of Colorado Hospital Authority | Aurora, CO | Acute Care Hospitals | Government - Hospital District or Authority | 5 stars |
| University of Illinois Hospital and Clinics | Chicago, IL | Acute Care Hospitals | Government - State | 4 stars |
| University of Iowa Health Care Medical Center Down | Iowa City, IA | Acute Care Hospitals | Voluntary non-profit - Church | 4 stars |
| University of Iowa Hospital & Clinics | Iowa City, IA | Acute Care Hospitals | Government - State | 2 stars |
| University of Kansas Health System - St Francis Campus | Topeka, KS | Acute Care Hospitals | Voluntary non-profit - Church | 3 stars |
| University of Kansas Health System Olathe Hospital | Olathe, KS | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| University of Kansas Hospital | Kansas City, KS | Acute Care Hospitals | Government - Hospital District or Authority | 5 stars |
| University of Kentucky Hospital | Lexington, KY | Acute Care Hospitals | Government - State | 4 stars |
| University of Louisville Hospital | Louisville, KY | Acute Care Hospitals | Voluntary non-profit - Private | 1 star |
| University of Maryland Medical Center | Baltimore, MD | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |
| University of MD Baltimore Washington Medical Center | Glen Burnie, MD | Acute Care Hospitals | Voluntary non-profit - Other | 5 stars |
| University of MD Capital Region Medical Center | Upper Marlboro, MD | Acute Care Hospitals | Voluntary non-profit - Private | 1 star |
| University of MD Charles Regional Medical Center | La Plata, MD | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |
| University of MD Medical Center Midtown Campus | Baltimore, MD | Acute Care Hospitals | Voluntary non-profit - Other | 3 stars |
| University of MD Shore Medical Center at Easton | Easton, MD | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| University of MD Shore Medical Ctr at Chestertown | Chestertown, MD | Acute Care Hospitals | Voluntary non-profit - Private | 5 stars |
| University of MD St Joseph Medical Center | Towson, MD | Acute Care Hospitals | Voluntary non-profit - Private | 5 stars |
| University of Michigan Health - Sparrow Eaton | Charlotte, MI | Critical Access Hospitals | Voluntary non-profit - Other | 1 star |
| University of Michigan Health - West | Wyoming, MI | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| University of Michigan Health System | Ann Arbor, MI | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| University of Michigan Health- Sparrow Clinton | Saint Johns, MI | Critical Access Hospitals | Proprietary | 4 stars |
| University of Michigan Health-Sparrow Carson | Carson City, MI | Acute Care Hospitals | Voluntary non-profit - Other | 4 stars |
| University of Mississippi Med Center | Jackson, MS | Acute Care Hospitals | Government - State | 2 stars |
| University of Mississippi Medical Center- Grenada | Grenada, MS | Acute Care Hospitals | Government - State | 1 star |
| University of Missouri Health Care | Columbia, MO | Acute Care Hospitals | Government - State | 3 stars |
| University of Texas Health Science Center at Tyler | Tyler, TX | Acute Care Hospitals | Government - State | 4 stars |
| University of Texas Medical Branch Galveston | Galveston, TX | Acute Care Hospitals | Government - State | 3 stars |
| University of Toledo Medical Center | Toledo, OH | Acute Care Hospitals | Government - State | 3 stars |
| University of Utah Hospital and Clinics | Salt Lake City, UT | Acute Care Hospitals | Government - State | 5 stars |
| University of Virginia Medical Center | Charlottesville, VA | Acute Care Hospitals | Government - State | 4 stars |
| University of Washington Medical Ctr | Seattle, WA | Acute Care Hospitals | Government - State | 4 stars |
| University of Wi Hospitals & Clinics Authority | Madison, WI | Acute Care Hospitals | Government - Hospital District or Authority | 5 stars |
| University Pediatric Hospital | San Juan, PR | Childrens | Government - State | Not rated |
| UNM Hospital | Albuquerque, NM | Acute Care Hospitals | Government - State | 2 stars |
| UOFL HEALTH - JEWISH HOSPITAL and Mary & Elizabeth Hospital | Louisville, KY | Acute Care Hospitals | Voluntary non-profit - Private | 2 stars |
| Uofl Health - Shelbyville Hospital | Shelbyville, KY | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |
| Up Health System Portage | Hancock, MI | Acute Care Hospitals | Voluntary non-profit - Other | 5 stars |
| Uphs Marquette Dlp Hospital | Marquette, MI | Acute Care Hospitals | Government - Local | 3 stars |
| Upland Hills Health | Dodgeville, WI | Critical Access Hospitals | Voluntary non-profit - Private | 4 stars |
| UPMC Altoona | Altoona, PA | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |
| UPMC Bedford Memorial | Everett, PA | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| UPMC Carlisle | Carlisle, PA | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| UPMC Chautauqua at Wca | Jamestown, NY | Acute Care Hospitals | Voluntary non-profit - Private | 2 stars |
| UPMC Children's Hospital of Pittsburgh | Pittsburgh, PA | Childrens | Voluntary non-profit - Other | Not rated |
| UPMC Cole | Coudersport, PA | Critical Access Hospitals | Voluntary non-profit - Private | 4 stars |
| UPMC East | Monroeville, PA | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| UPMC Greene | Waynesburg, PA | Acute Care Hospitals | Voluntary non-profit - Private | Not rated |
| UPMC Hamot | Erie, PA | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |
| UPMC Hanover | Hanover, PA | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| UPMC Horizon | Greenville, PA | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| UPMC Jameson | New Castle, PA | Acute Care Hospitals | Voluntary non-profit - Other | 3 stars |
| UPMC Kane | Kane, PA | Critical Access Hospitals | Voluntary non-profit - Private | Not rated |
| UPMC Lititz | Lititz, PA | Acute Care Hospitals | Voluntary non-profit - Other | 4 stars |
| UPMC McKeesport Hospital | Mc Keesport, PA | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |
| UPMC Memorial | York, PA | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| UPMC Mercy | Pittsburgh, PA | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| UPMC Muncy | Muncy, PA | Critical Access Hospitals | Voluntary non-profit - Private | 4 stars |
| UPMC Northwest | Seneca, PA | Acute Care Hospitals | Voluntary non-profit - Other | 4 stars |
| UPMC Passavant | Pittsburgh, PA | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| UPMC Pinnacle Hospitals | Harrisburg, PA | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| UPMC Presbyterian Shadyside | Pittsburgh, PA | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| UPMC Somerset | Somerset, PA | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| UPMC St Margaret | Pittsburgh, PA | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |
| UPMC Wellsboro | Wellsboro, PA | Critical Access Hospitals | Voluntary non-profit - Private | 3 stars |
| UPMC Williamsport | Williamsport, PA | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |
| Upper Connecticut Valley Hospital | Colebrook, NH | Critical Access Hospitals | Voluntary non-profit - Private | Not rated |
| Upper Valley Medical Center | Troy, OH | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| Upson Regional Medical Center | Thomaston, GA | Acute Care Hospitals | Voluntary non-profit - Other | 1 star |
| Upstate New York VA Healthcare System (Western NY VA Healthcare System) | Buffalo, NY | Acute Care - Veterans Administration | Veterans Health Administration | 5 stars |
| USA Health Children's & Women's Hospital | Mobile, AL | Childrens | Government - State | Not rated |
| USA Health HCA Providence Hospital, LLC | Mobile, AL | Acute Care Hospitals | Voluntary non-profit - Church | 3 stars |
| USA Health University Hospital | Mobile, AL | Acute Care Hospitals | Government - State | 2 stars |
| USC Arcadia Hospital | Arcadia, CA | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |
| USC Verdugo Hills Hospital | Glendale, CA | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| Usmd Hospital at Arlington L P | Arlington, TX | Acute Care Hospitals | Physician | Not rated |
| UT Health East Texas Athens Hospital | Athens, TX | Acute Care Hospitals | Proprietary | 2 stars |
| UT Health East Texas Carthage Hospital | Carthage, TX | Acute Care Hospitals | Proprietary | 5 stars |
| UT Health East Texas Henderson Hospital | Henderson, TX | Acute Care Hospitals | Proprietary | 5 stars |
| UT Health East Texas Jacksonville Hospital | Jacksonville, TX | Acute Care Hospitals | Proprietary | Not rated |
| UT Health East Texas Pittsburg Hospital | Pittsburg, TX | Critical Access Hospitals | Proprietary | 3 stars |
| UT Health East Texas Quitman Hospital | Quitman, TX | Critical Access Hospitals | Voluntary non-profit - Other | 4 stars |
| UT Health East Texas Tyler Regional Hospital | Tyler, TX | Acute Care Hospitals | Proprietary | 2 stars |
| UT Health San Antonio Multispecialty & Research Ho | San Antonio, TX | Acute Care Hospitals | Government - State | Not rated |
| UT of Texas Southwestern University Hospital - William P. Clements Jr. | Dallas, TX | Acute Care Hospitals | Government - State | 4 stars |
| Utah State Hospital | Provo, UT | Psychiatric | Government - State | Not rated |
| UVA Health Culpeper Medical Center | Culpeper, VA | Acute Care Hospitals | Voluntary non-profit - Private | 2 stars |
| UVA Health Haymarket Medical Center | Haymarket, VA | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| UVA Health Prince William Medical Center | Manassas, VA | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |
| Uvalde Memorial Hospital | Uvalde, TX | Critical Access Hospitals | Government - Hospital District or Authority | 3 stars |
| UW Health | Rockford, IL | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |