| ZUNI COMPREHENSIVE HEALTH CENTER | ZUNI | NM | 27 |
| ZUMBROTA HOSPITAL | ZUMBROTA | MN | 24 |
| ZUCKERBERG SAN FRANCISCO GENERAL | SAN FRANCISCO | CA | 284 |
| YUMA REGIONAL MEDICAL CENTER | YUMA | AZ | 430 |
| YUMA DISTRICT HOSPITAL | YUMA | CO | 11 |
| YUMA COMMUNITY HOSPITAL | YUMA | AZ | 9 |
| YOUNGSTOWN OSTEOPATHIC HOSP | YOUNGSTOWN | OH | 98 |
| YORK HOSPITAL | YORK | ME | 54 |
| YORK HOSPITAL | YORK | PA | 534 |
| YORK GENERAL HOSPITAL | YORK | NE | 56 |
| YONKERS GENERAL HOSPITAL | YONKERS | NY | 190 |
| YOAKUM COUNTY HOSPITAL | DENVER CITY | TX | 26 |
| YOAKUM COMMUNITY HOSPITAL | YOAKUM | TX | 28 |
| YK DELTA REGIONAL HOSPITAL | BETHEL | AK | 34 |
| YAVAPAI REGIONAL MEDICAL CENTER-EAST | PRESCOTT VALLEY | AZ | 56 |
| YAVAPAI REGIONAL MEDICAL CENTER | PRESCOTT | AZ | 228 |
| YAMPA VALLEY MEDICAL CENTER | STEAMBOAT SPRINGS | CO | 34 |
| YALOBUSHA GENERAL HOSPITAL | WATER VALLEY | MS | 26 |
| YALE NEW HAVEN HOSPITAL | NEW HAVEN | CT | 1,402 |
| YALE COMMUNITY HOSPITAL | YALE | MI | 22 |
| YAKIMA VALLEY MEMORIAL HOSPITAL | YAKIMA | WA | 166 |
| YAKIMA REGIONAL MEDICAL & CARDIAC CE | YAKIMA | WA | 128 |
| WYTHE COUNTY COMMUNITY HOSPITAL | WYTHEVILLE | VA | 92 |
| WYOMING MEDICAL CENTER | CASPER | WY | 249 |
| WYOMING COUNTY COMMUNITY HOSPITAL | WARSAW | NY | 42 |
| WYNN HOSPITAL | UTICA | NY | 354 |
| WYCKOFF HEIGHTS MEDICAL CENTER | BROOKLYN | NY | 240 |
| WYANDOT MEMORIAL HOSPITAL | UPPER SANDUSKY | OH | 31 |
| WRMC HOSPITAL OPERATING CORPORATION | NORTH WILKESBORO | NC | 77 |
| WRIGHT MEMORIAL HOSPITAL | TRENTON | MO | 57 |
| WRAY COMMUNITY DISTRICT HOSPITAL | WRAY | CO | 16 |
| WRANGELL GENERAL HOSPITAL | WRANGELL | AK | 8 |
| WOOSTER COMMUNITY HOSPITAL | WOOSTER | OH | 104 |
| WOODRUFF COMMUNITY HOSPITAL | LONG BEACH | CA | 76 |
| WOODLAWN HOSPITAL | ROCHESTER | IN | 48 |
| WOODLAND PARK HOSPITAL | PORTLAND | OR | 192 |
| WOODLAND MEDICAL CENTER | CULLMAN | AL | 50 |
| WOODLAND HEIGHTS MED CENTER | LUFKIN | TX | 136 |
| WOODLAND HEALTHCARE | WOODLAND | CA | 74 |
| WOODHULL HOSPITAL CENTER | BROOKLYN | NY | 221 |
| WOODFORD MEMORIAL HOSPITAL | VERSAILLES | KY | 50 |
| WOOD RIVER TOWNSHIP HOSPITAL | WOOD RIVER | IL | 73 |
| WOOD RIVER MEDICAL CENTER | HAILEY | ID | 39 |
| WOOD COUNTY HOSPITAL | BOWLING GREEN | OH | 99 |
| WOMENS HOSPITAL OF INDIANAPOLIS | INDIANAPOLIS | IN | 150 |
| WOMENS EAST PAVILION | CHATTANOOGA | TN | 28 |
| WOMENS AND CHILDRENS HOSPITAL | LAFAYETTE | LA | 161 |
| WOMENS AND CHILDRENS | SAN ANTONIO | TX | 198 |
| WOMEN S & CHILDREN S | LAFAYETTE | LA | 161 |
| WOMEN & INFANTS HOSPITAL | PROVIDENCE | RI | 247 |
| WOMANS HOSPITAL OF TEXAS | HOUSTON | TX | 235 |
| WOMANS HOSPITAL | BATON ROUGE | LA | 228 |
| WOMAN S MEDICAL HOSPITAL | PHILADELPHIA | PA | 56 |
| WMC SANTA ANA | SANTA ANA | CA | 254 |
| WM. B. KESSLER MEMORIAL HOSPITAL | HAMMONTON | NJ | 83 |
| WITHAM MEMORIAL HOSPITAL | LEBANON | IN | 50 |
| WISHEK COMMUNITY HOSPITAL | WISHEK | ND | 20 |
| WISE HEALTH SYSTEM - PARKWAY | FORT WORTH | TX | 36 |
| WISE ARH | WISE | VA | 44 |
| WIRTH REGIONAL HOSPITAL | OAKLAND CITY | IN | 10 |
| WIREGRASS MEDICAL CENTER | GENEVA | AL | 27 |
| WINTER PARK MEMORIAL HOSPITAL | WINTER PARK | FL | 282 |
| WINTER HAVEN HOSPITAL | WINTER HAVEN | FL | 416 |
| WINSTON MEDICAL CENTER | LOUISVILLE | MS | 14 |
| WINSTED MEMORIAL HOSPITAL | WINSTED | CT | 73 |
| WINSLOW MEMORIAL HOSPITAL | WINSLOW | AZ | 32 |
| WINONA MEMORIAL HOSPITAL | INDIANAPOLIS | IN | 129 |
| WINONA HEALTH SERVICES | WINONA | MN | 49 |
| WINNIE MEDICAL CENTER | WINNIE | TX | 34 |
| WINNESHIEK MEDICAL CENTER | DECORAH | IA | 97 |
| WINNER REGIONAL HEALTHCARE CENTER | WINNER | SD | 40 |
| WINN PARISH MEDICAL CENTER | WINNFIELD | LA | 45 |
| WINDY HILL HOSPITAL INC. | MARIETTA | GA | 115 |
| WINDOM AREA HOSPITAL | WINDOM | MN | 35 |
| WINDHAM COMMUNITY MEMORIAL HOSPITAL | WILLIMANTIC | CT | 42 |
| WINDBER HOSPITAL INC. | WINDBER | PA | 47 |
| WINCHESTER MEDICAL CENTER | WINCHESTER | VA | 455 |
| WINCHESTER HOSPITAL | WINCHESTER | MA | 183 |
| WILSON N JONES REGIONAL MEDICAL CTR | SHERMAN | TX | 214 |
| WILSON MEMORIAL HOSPITAL | SIDNEY | OH | 71 |
| WILSON MEDICAL CENTER | WILSON | NC | 100 |
| WILSON COUNTY HOSPITAL | NEODESHA | KS | 26 |
| WILMINGTON TREATMENT CENTER INC | WILMINGTON | NC | 92 |
| WILLS MEMORIAL HOSPITAL | WASHINGTON | GA | 50 |
| WILLS EYE HOSPITAL | PHILADELPHIA | PA | 27 |
| WILLS EYE HOSPITAL | PHILADELPHIA | PA | 4 |
| WILLOW CREEK WOMEN S HOSPITAL | JOHNSON | AR | 30 |
| WILLIS-KNIGHTON HEALTH SYSTEMS | SHREVEPORT | LA | 724 |
| WILLIS-KNIGHTON BOSSIER | BOSSIER CITY | LA | 124 |
| WILLINGWAY HOSPITAL | STATESBORO | GA | 40 |
| WILLIAMSON MEMORIAL INC | WILLIAMSON | WV | |
| WILLIAMSON MEMORIAL HOSPITAL | WILLIAMSON | WV | 27 |
| WILLIAMSON HEALTH | FRANKLIN | TN | 337 |
| WILLIAMSBURG REGIONAL HOSPITAL | KINGSTREE | SC | 28 |
| WILLIAM NEWTON MEMORIAL HOSPITAL | WINFIELD | KS | 39 |
| WILLIAM BEE RIRIE HOSPITAL | ELY | NV | 40 |
| WILLAPA HARBOR HOSPITAL | SOUTH BEND | WA | 22 |
| WILLAMETTE VALLEY MEDICAL CENTER | MCMINNVILLE | OR | 50 |
| WILKES-BARRE GENERAL HOSPITAL | WILKES BARRE | PA | 119 |
| WILD ROSE COMMUNITY MEM. HOSPITAL | WILD ROSE | WI | 32 |