| UHHS ST. MICHAEL HOSPITAL | CLEVELAND | OH | 108 |
| UHS HOSPITALS | BINGHAMTON | NY | 420 |
| UINTAH BASIN MEDICAL CENTER | ROOSEVELT | UT | 33 |
| UK HEALTHCARE GOOD SAMARITAN HOSPITA | LEXINGTON | KY | 224 |
| UKHS GREAT BEND CAMPUS | GREAT BEND | KS | 29 |
| UM HEALTH-SPARROW CARSON | CARSON CITY | MI | 48 |
| UMASS MEMORIAL MEDICAL CENTER | WORCESTER | MA | 707 |
| UMMC-GRENADA | GRENADA | MS | 49 |
| UMMC-MADISON | CANTON | MS | 31 |
| UMMHC~CLINTON HOSPITAL | CLINTON | MA | 21 |
| UMW OF A UNION HOSPITAL | WEST FRANKFORT | IL | 42 |
| UNC ROCKINGHAM HOSPITAL | EDEN | NC | 108 |
| UNICOI COUNTY HOSPITAL | ERWIN | TN | |
| UNION CITY MEMORIAL HOSPITAL | UNION CITY | PA | 35 |
| UNION COUNTY GEN. HOSPITAL | CLAYTON | NM | 28 |
| UNION COUNTY HOSPITAL DISTRICT | ANNA | IL | 36 |
| UNION COUNTY METHODIST HOSPITAL | MORGANFIELD | KY | 37 |
| UNION GENERAL HOSPITAL | BLAIRSVILLE | GA | 39 |
| UNION GENERAL HOSPITAL INC. | FARMERVILLE | LA | 20 |
| UNION HEALTHCARE D/B/A LAIRD HOSP | UNION | MS | 50 |
| UNION HOSPITAL | UNION | NJ | 141 |
| UNION HOSPITAL | BRONX | NY | 173 |
| UNION HOSPITAL | MAYVILLE | ND | 30 |
| UNION HOSPITAL INC. | TERRE HAUTE | IN | 266 |
| UNION HOSPITAL ASSOCIATION | DOVER | OH | 77 |
| UNION HOSPITAL OF CECIL COUNTY | ELKTON | MD | 124 |
| UNION MEDICAL CENTER | UNION | SC | 13 |
| UNIONTOWN HOSPITAL | UNIONTOWN | PA | 150 |
| UNITED HEALTHCARE SYSTEM | NEWARK | NJ | 329 |
| UNITED HOSPITAL | SAINT PAUL | MN | 456 |
| UNITED HOSPITAL CENTER | BRIDGEPORT | WV | 214 |
| UNITED HOSPITAL DISTRICT | BLUE EARTH | MN | 43 |
| UNITED MEMORIAL MEDICAL CENTER | BATAVIA | NY | 126 |
| UNITED REGIONAL HEALTH CARE SYSTEM | WICHITA FALLS | TX | 244 |
| UNITY HEALTH - JACKSONVILLE | JACKSONVILLE | AR | 29 |
| UNITY HEALTH - NEWPORT | NEWPORT | AR | 24 |
| UNITY HOSPITAL | FRIDLEY | MN | 149 |
| UNITY MEDICAL CENTER | GRAFTON | ND | 17 |
| UNITY MEDICAL CENTER | MANCHESTER | TN | 49 |
| UNITY PHYSICIANS HOSPITAL | MISHAWAKA | IN | 29 |
| UNITY SPECIALITY HOSPITAL | ROCHESTER | NY | 33 |
| UNITYPOINT HEALTH-MARSHALLTOWN | MARSHALLTOWN | IA | 16 |
| UNIV HOSPITALS & CLINICS - DURANT | DURANT | MS | 20 |
| UNIV OF MD CAPITAL REGION MED CTR | LARGO | MD | 218 |
| UNIV OF MI HOSPITALS & HLTH CTRS | ANN ARBOR | MI | 975 |
| UNIV OF MISSOURI HEALTH CARE | COLUMBIA | MO | 657 |
| UNIV OF TOLEDO MEDL CENTER | TOLEDO | OH | 212 |
| UNIV. HOSPT. & CLINICS HOLMES CTY | LEXINGTON | MS | 42 |
| UNIVER.OF CINCINNATI MED CENTER LLC | CINCINNATI | OH | 596 |
| UNIVERSITY DISCTRICT HOSPITAL | SAN JUAN | PR | 198 |
| UNIVERSITY GENERAL HOSPITAL | SEMINOLE | FL | 128 |
| UNIVERSITY GENERAL HOSPITAL LP | HOUSTON | TX | 69 |
| UNIVERSITY HEALTH LAKEWOOD MED CTR | KANSAS CITY | MO | 117 |
| UNIVERSITY HEALTH SERVICES INC. | AUGUSTA | GA | 423 |
| UNIVERSITY HEALTH SERVICES INC | AMHERST | MA | |
| UNIVERSITY HEALTH SYSTEM | SAN ANTONIO | TX | 844 |
| UNIVERSITY HEALTH TRUMAN MED CENTER | KANSAS CITY | MO | 262 |
| UNIVERSITY HOSPITAL | LEXINGTON | KY | 1,067 |
| UNIVERSITY HOSPITAL & CLINICS | LAFAYETTE | LA | 52 |
| UNIVERSITY HOSPITAL AT DOWNSTATE | BROOKLYN | NY | 268 |
| UNIVERSITY HOSPITAL AT SYRACUSE | SYRACUSE | NY | 645 |
| UNIVERSITY HOSPITAL MCDUFFIE | THOMSON | GA | 25 |
| UNIVERSITY MEDICAL CENTER | FRESNO | CA | 257 |
| UNIVERSITY MEDICAL CENTER | LAS VEGAS | NV | 490 |
| UNIVERSITY MEDICAL CENTER | LUBBOCK | TX | 458 |
| UNIVERSITY MEDICAL CENTER OF EL PASO | EL PASO | TX | 347 |
| UNIVERSITY MEDICAL CTR. AT NEW ORLEA | NEW ORLEANS | LA | 354 |
| UNIVERSITY OF ALABAMA HOSPITAL | BIRMINGHAM | AL | 1,170 |
| UNIVERSITY OF CHICAGO HOSPITALS | CHICAGO | IL | 737 |
| UNIVERSITY OF CO HOSPITAL | AURORA | CO | 773 |
| UNIVERSITY OF IOWA HEALTH CARE MEDIC | IOWA CITY | IA | 171 |
| UNIVERSITY OF IOWA HEALTH CARE MEDIC | IOWA CITY | IA | 743 |
| UNIVERSITY OF KANSAS HOSPITAL | KANSAS CITY | KS | 974 |
| UNIVERSITY OF LOUISVILLE HOSPITAL | LOUISVILLE | KY | 333 |
| UNIVERSITY OF MARYLAND MED SYS | BALTIMORE | MD | 781 |
| UNIVERSITY OF MIAMI HOSP & CLINICS | MIAMI | FL | 538 |
| UNIVERSITY OF MIAMI HOSPITAL | MIAMI | FL | 476 |
| UNIVERSITY OF MINNESOTA MEDICAL CTR | MINNEAPOLIS | MN | 650 |
| UNIVERSITY OF MISSISSIPPI MEDICAL | JACKSON | MS | 793 |
| UNIVERSITY OF MN HOSP & CLINIC | MINNEAPOLIS | MN | 359 |
| UNIVERSITY OF NEW MEXICO HOSPITAL | ALBUQUERQUE | NM | 531 |
| UNIVERSITY OF NORTH CAROLINA HOSP. | CHAPEL HILL | NC | 842 |
| UNIVERSITY OF TENNESSEE MEDICAL CENT | KNOXVILLE | TN | 698 |
| UNIVERSITY OF VERMONT MEDICAL CENTER | BURLINGTON | VT | 469 |
| UNIVERSITY OF VIRGINIA MEDICAL CENTE | CHARLOTTESVILLE | VA | 646 |
| UNIVERSITY OF WASHINGTON MED CTR | SEATTLE | WA | 652 |
| UNIVERSITY OF WI HOSPITALS & CLINICS | MADISON | WI | 681 |
| UNIVERSITY POINTE SURGICAL HOSPITAL | WEST CHESTER | OH | 8 |
| UNM SANDOVAL REGIONAL MEDICAL CENTER | RIO RANCHO | NM | 60 |
| UOFL HEALTH-LOUISVILLE | LOUISVILLE | KY | 789 |
| UOFL HEALTH-SHELBYVILLE | SHELBYVILLE | KY | 32 |
| UPLAND HILLS HEALTH INC. | DODGEVILLE | WI | 40 |
| UPMC - PRESBYTERIAN SHADYSIDE | PITTSBURGH | PA | 1,093 |
| UPMC ALTOONA | ALTOONA | PA | 319 |
| UPMC BEDFORD | EVERETT | PA | 35 |
| UPMC BRADDOCK | BRADDOCK | PA | 116 |
| UPMC CARLISLE | CARLISLE | PA | 66 |
| UPMC CHAUTAUQUA AT WCA | JAMESTOWN | NY | 257 |
| UPMC EAST HOSPITAL | MONROEVILLE | PA | 136 |
| UPMC GREENE | WAYNESBURG | PA | 18 |
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