| LUCERNE MEDICAL CENTER | ORLANDO | FL | 232 |
| LUCY LEE HOSPITAL | POPLAR BLUFF | MO | 157 |
| LUTHERAN COMMUNITY HOSPITAL | NORFOLK | NE | 97 |
| LUTHERAN DOWNTOWN HOSPITAL | FORT WAYNE | IN | 35 |
| LUTHERAN HOSPITAL | CLEVELAND | OH | 114 |
| LUTHERAN HOSPITAL OF INDIANA | FT WAYNE | IN | 327 |
| LUTHERAN MEDICAL CENTER | BROOKLYN | NY | 323 |
| LUTHERAN MUSCULOSKELETAL CENTER | FORT WAYNE | IN | 37 |
| LVH - COORDINATED BETHLEHEM | BETHLEHEM | PA | 20 |
| LVH-COORDINATED ALLENTOWN | ALLENTOWN | PA | 20 |
| LYNCHBURG GENERAL HOSPITAL | LYNCHBURG | VA | 220 |
| LYNN COUNTY HOSPITAL | TAHOKA | TX | 25 |
| M HEALTH FAIRVIEW LAKES MEDICAL CENT | WYOMING | MN | 57 |
| M HEALTH FAIRVIEW SOUTHDALE HOSPITAL | EDINA | MN | 326 |
| MACKINAC STRAITS HOSP & HEALTH CTR. | ST. IGNACE | MI | 16 |
| MACNEAL HOSPITAL | BERWYN | IL | 268 |
| MACON COUNTY GENERAL HOSPITAL | LAFAYETTE | TN | 43 |
| MAD RIVER COMMUNITY HOSPITAL | ARCATA | CA | 49 |
| MADELIA COMMUNITY HOSPITAL | MADELIA | MN | 25 |
| MADERA COMMUNITY HOSPITAL | MADERA | CA | 106 |
| MADISON COMMUNITY HOSPITAL | MADISON HEIGHTS | MI | 36 |
| MADISON COMMUNITY HOSPITAL | MADISON | SD | 49 |
| MADISON COUNTY MEMORIAL HOSPITAL | WINTERSET | IA | 25 |
| MADISON CTY MEMORIAL HOSPITAL | MADISON | FL | 42 |
| MADISON HEALTH | LONDON | OH | 45 |
| MADISON LUTHERAN HOME | MADISON | MN | 12 |
| MADISON MEDICAL CENTER | FREDERICKTOWN | MO | 36 |
| MADISON MEMORIAL HOSPITAL | REXBURG | ID | 53 |
| MADISON PARISH HOSPITAL | TALLULAH | LA | 36 |
| MADISON ST. JOSEPH HEALTH CENTER | MADISONVILLE | TX | 27 |
| MADISON VALLEY HOSPITAL | ENNIS | MT | 9 |
| MADONNA REHABILITATION SYSTEMS | BELLEVUE | NE | 32 |
| MAGEE GENERAL HOSPITAL | MAGEE | MS | 44 |
| MAGNOLIA HOSPITAL | CORINTH | MS | 107 |
| MAGNOLIA REGIONAL HEALTH SYSTEM INC | MAGNOLIA | AR | 29 |
| MAHASKA HEALTH PARTNERSHIP | OSKALOOSA | IA | 49 |
| MAHNOMEN HEALTH CENTER | MAHNOMEN | MN | 15 |
| MAHNOMEN HEALTH CENTER | MAHNOMEN | MN | |
| MAIMONIDES MEDICAL CENTER | BROOKLYN | NY | 641 |
| MAINE COAST MEMORIAL HOSPITAL | ELLSWORTH | ME | 45 |
| MAINEGENERAL MEDICAL CENTER | AUGUSTA | ME | 186 |
| MAINEHEALTH MAINE MEDICAL CENTER | PORTLAND | ME | 846 |
| MAINEHEALTH MID COAST HOSPITAL | BRUNSWICK | ME | 93 |
| MAINEHEALTH PENBAY HOSPITAL | ROCKPORT | ME | 81 |
| MAINLAND MEDICAL CENTER | TEXAS CITY | TX | 181 |
| MAJOR HOSPITAL | SHELBYVILLE | IN | 46 |
| MALDEN HOSPITAL | MALDEN | MA | 41 |
| MAN ARH | MAN | WV | 44 |
| MANATEE MEMORIAL HOSPITAL | BRADENTON | FL | 295 |
| MANCHESTER MEMORIAL HOSPITAL | MANCHESTER | CT | 123 |
| MANHATTAN EYE EAR & THROAT HOSPITAL | NEW YORK | NY | 30 |
| MANHATTAN SURGICAL HOSPITAL | MANHATTAN | KS | 13 |
| MANNING REGIONAL HEALTHCARE CENTER | MANNING | IA | 29 |
| MAPLE GROVE HOSPITAL | MAPLE GROVE | MN | 148 |
| MARCUM & WALLACE MEM HOSPITAL | IRVINE | KY | 26 |
| MARCUS DALY MEMORIAL HOSPITAL | HAMILTON | MT | 48 |
| MARENGO MEMORIAL HOSPITAL | MARENGO | IA | 44 |
| MARGARET MARY COMMUNITY HOSPITAL | BATESVILLE | IN | 44 |
| MARGARET R. PARDEE MEMORIAL HOSPITAL | HENDERSONVILLE | NC | 160 |
| MARGARETVILLE MEMORIAL HOSPITAL | MARGARETVILLE | NY | 22 |
| MARIA PARHAM MEDICAL CENTER | HENDERSON | NC | 111 |
| MARIAN COMMUNITY HOSPITAL | CARBONDALE | PA | 56 |
| MARIAN MEDICAL CENTER | SANTA MARIA | CA | 238 |
| MARIAS MEDICAL CENTER | SHELBY | MT | 20 |
| MARICOPA COMMUNITY HOSPITAL | MARICOPA | AZ | 9 |
| MARIETTA MEMORIAL HOSPITAL | MARIETTA | OH | 188 |
| MARINERS HOSPITAL | TAVERNIER | FL | 42 |
| MARINHEALTH MEDICAL CENTER | GREENBRAE | CA | 310 |
| MARION GENERAL HOSPITAL | MARION | IN | 82 |
| MARION GENERAL HOSPITAL | COLUMBIA | MS | 49 |
| MARION GENERAL HOSPITAL | MARION | OH | 179 |
| MARION REGIONAL MEDICAL CENTER | HAMILTON | AL | 36 |
| MARK REED HOSPITAL | MCCLEARY | WA | 8 |
| MARK TWAIN ST. JOSEPH S HOSPITAL | SAN ANDREAS | CA | 44 |
| MARLBORO PARK HOSPITAL | BENNETTSVILLE | SC | 94 |
| MARLBOROUGH HOSPITAL | MARLBOROUGH | MA | 79 |
| MARLETTE COMMUNITY HOSPITAL | MARLETTE | MI | 34 |
| MARQUETTE GENERAL HOSPITAL | MARQUETTE | MI | 163 |
| MARSHALL BROWNING HOSPITAL | DUQUOIN | IL | 33 |
| MARSHALL COUNTY HEALTHCARE CENTER | BRITTON | SD | 38 |
| MARSHALL COUNTY HOSPITAL | BENTON | KY | 36 |
| MARSHALL MEDICAL CENTER | PLACERVILLE | CA | 103 |
| MARSHALL MEDICAL CENTER | LEWISBURG | TN | 19 |
| MARSHALL MEDICAL CENTER - NORTH | GUNTERSVILLE | AL | 90 |
| MARSHALL MEDICAL CENTERS SOUTH | BOAZ | AL | 152 |
| MARSHFIELD MEDICAL CENTER | MARSHFIELD | WI | 215 |
| MARSHFIELD MEDICAL CENTER - RIVER RE | STEVENS POINT | WI | 5 |
| MARSHFIELD MEDICAL CENTER WESTON | WESTON | WI | 99 |
| MARSHFIELD MEDICAL CENTER-EAU CLAIRE | EAU CLAIRE | WI | 56 |
| MARSHFIELD MEDICAL CENTER-MINOCQUA | MINOCQUA | WI | 31 |
| MARTHA S VINEYARD HOSPITAL | OAK BLUFFS | MA | 22 |
| MARTIN COUNTY HOSPITAL DISTRICT | STANTON | TX | 27 |
| MARTIN GENERAL HOSPITAL | WILLIAMSTON | NC | 43 |
| MARTIN LUTHER HOSPITAL | ANAHEIM | CA | 183 |
| MARTIN LUTHER KING JR./HARBOR HOSP | LOS ANGELES | CA | 68 |
| MARTIN LUTHER KING COMMUNITY HOSP | LOS ANGELES | CA | 152 |
| MARTIN MEDICAL CENTER | STUART | FL | 521 |
| MARY BLACK MEMORIAL HOSPITAL | SPARTANBURG | SC | 148 |
| MARY BRECKINRIDGE HOSPITAL | HYDEN | KY | 30 |
| MARY GREELEY MEDICAL CENTER | AMES | IA | 150 |