| 1901 | 13203 | Meridian Park Radiation Oncology Center |  | 11287 | 14027 | 6059 | 2394 |
| 1902 | 522 | Meridian Health | | 298 | 388 | 1334 | 2394 |
| 1903 | 12657 | Mercy Regional Medical Center (Ville Platte Medical Center) | | 11770 | 12510 | 10913 | 2394 |
| 1904 | 4914 | Mercy Memorial Hospital System | | 4830 | 2369 | 10913 | 2394 |
| 1905 | 2005 | Mercy Medical Center Sioux City | | 2215 | 2527 | 2382 | 1934 |
| 1906 | 3676 | Mercy Medical Center Redding | | 3455 | 3236 | 6113 | 2394 |
| 1907 | 1506 | Mercy Medical Center of Durango | | 6572 | 389 | 6826 | 2394 |
| 1908 | 1611 | Mercy Medical Center North Iowa | | 2564 | 2350 | 1565 | 1328 |
| 1909 | 5109 | Mercy Medical Center New Hampton | | 4382 | 4633 | 7298 | 2394 |
| 1910 | 10025 | Mercy Medical Center Nampa ID | | 12594 | 7233 | 12104 | 2394 |
| 1911 | 8180 | Mercy Medical Center Mt Shasta | | 5320 | 8157 | 9055 | 2394 |
| 1912 | 4104 | Mercy Medical Center Merced | | 2861 | 2679 | 9261 | 2394 |
| 1913 | 1831 | Mercy Medical Center Dubuque & Dyersville | | 2039 | 2684 | 2468 | 1328 |
| 1914 | 3203 | Mercy Medical Center Community Roseburg Oregon | | 3037 | 3094 | 4886 | 2394 |
| 1915 | 5509 | Mercy Medical Center Clinton | | 4877 | 6013 | 5399 | 2394 |
| 1916 | 8497 | Mercy Medical Center Centerville | | 7495 | 9307 | 6826 | 2394 |
| 1917 | 3026 | Mercy Medical Center Cedar Rapids | | 2597 | 1576 | 9261 | 2394 |
| 1918 | 5607 | Mercy Medical Center Catholic Health Initiatives Denver Colorado | | 6122 | 5151 | 6757 | 2394 |
| 1919 | 1695 | Mercy Medical Center Canton Ohio | | 2275 | 2085 | 1816 | 1934 |
| 1920 | 3173 | Mercy Medical Alabama | | 5206 | 2861 | 3748 | 2394 |
| 1921 | 3453 | Mercy Iowa City Hospital Iowa City IA | | 2531 | 4558 | 3145 | 2394 |
| 1922 | 6239 | Mercy Hospital&Health Care Center | | 9376 | 6818 | 3778 | 2394 |
| 1923 | 10294 | Mercy Hospital Valley City | | 12303 | 11770 | 4232 | 2394 |
| 1924 | 6183 | Mercy Hospital of Bakersfield Mercy Southwest Hospital | | 2803 | 6062 | 8843 | 2394 |
| 1925 | 738 | Mercy Hospital Miami | | 1129 | 456 | 6374 | 1085 |
| 1926 | 588 | Mercy Hospital Medical Center des Moines | | 699 | 637 | 1053 | 1815 |
| 1927 | 8546 | Mercy Hospital Devils Lake ND | | 11358 | 8647 | 6328 | 2394 |
| 1928 | 2014 | Mercy Hospital and Medical Center | | 6436 | 1603 | 4270 | 1328 |
| 1929 | 658 | Mercy Health System Janesville WI | | 1383 | 1026 | 1777 | 661 |
| 1930 | 2508 | Mercy Health System Conshohocken PA | | 1601 | 1214 | 9811 | 2394 |
| 1931 | 843 | Mercy Health Services Baltimore MD | | 1352 | 798 | 4856 | 843 |
| 1932 | 2348 | Mercy Health Saint Mary's Health Care | | 2466 | 2810 | 2065 | 2394 |
| 1933 | 2519 | Mercy Health Partners Muskegon | | 3526 | 2491 | 2797 | 2394 |
| 1934 | 1796 | Mercy Health (Catholic Health Partners) | | 2912 | 1702 | 1994 | 2394 |
| 1935 | 1359 | Mercy Health | | 3485 | 1766 | 1259 | 1289 |
| 1936 | 7169 | Mercy Center for Corrective Eye Surgery | | 9863 | 7425 | 8217 | 1328 |
| 1937 | 9715 | Mercy and Unity Hospitals | | 14968 | 4851 | 12104 | 2394 |
| 1938 | 89 | Mercy | | 188 | 196 | 394 | 279 |
| 1939 | 1593 | Mercy | | 1242 | 1743 | 2160 | 2394 |
| 1940 | 7445 | Mercer Health | | 5190 | 8237 | 7133 | 2394 |
| 1941 | 1942 | Menorah Medical Center | | 988 | 1697 | 7039 | 1934 |
| 1942 | 13442 | Menominee Tribal Clinic | | 12594 | 13346 | 10913 | 2394 |
| 1943 | 2418 | Menninger Clinic | | 7303 | 1672 | 5202 | 1815 |
| 1944 | 8380 | Menlo Medical Clinic | | 9231 | 8978 | 6328 | 2394 |
| 1945 | 6814 | Mendota Community Hospital | | 4891 | 4947 | 10913 | 2394 |
| 1946 | 2716 | Mendocino Coast District Hospital | | 5669 | 3201 | 1227 | 2394 |
| 1947 | 8593 | Mena Regional Health System | | 10191 | 8904 | 6619 | 2394 |
| 1948 | 767 | Memorialcare Medical Centers | | 1033 | 523 | 2010 | 2394 |
| 1949 | 9 | Memorial Sloan Kettering Cancer Center | | 26 | 18 | 619 | 107 |
| 1950 | 9138 | Memorial Regional Hospital South Hollywood Medical Center | | 13585 | 7526 | 8651 | 2394 |
| 1951 | 5288 | Memorial Regional Hospital in Hollywood | | 9781 | 3780 | 6677 | 2394 |
| 1952 | 8312 | Memorial Medical Center Port Lavaca | | 5432 | 9645 | 6757 | 2394 |
| 1953 | 2041 | Memorial Medical Center Modesto CA | | 2017 | 3142 | 4392 | 972 |
| 1954 | 6792 | Memorial Medical Center Las Cruces NM | | 7734 | 4544 | 10253 | 2394 |
| 1955 | 9670 | Memorial Manor | | 14330 | 6436 | 10913 | 2394 |
| 1956 | 6792 | Memorial Hospital West in Pembroke Pines | | 11002 | 4641 | 8843 | 2394 |
| 1957 | 3550 | Memorial Hospital Towanda PA | | 7303 | 2299 | 5873 | 2394 |
| 1958 | 7457 | Memorial Hospital Pembroke | | 9199 | 5678 | 9504 | 2394 |
| 1959 | 6426 | Memorial Hospital of Union County | | 3011 | 5053 | 10913 | 2394 |
| 1960 | 13180 | Memorial Hospital of Texas County | | 15468 | 11429 | 10913 | 2394 |
| 1961 | 2011 | Memorial Hospital of Tampa | | 2659 | 844 | 8319 | 2394 |
| 1962 | 12337 | Memorial Hospital of Sweetwater County | | 15468 | 10096 | 10253 | 2394 |
| 1963 | 7830 | Memorial Hospital of Salem County | | 2071 | 7724 | 10913 | 2394 |
| 1964 | 2606 | Memorial Hospital of Rhode Island | | 1307 | 2343 | 6430 | 2394 |
| 1965 | 7743 | Memorial Hospital of Martinsville and Henry County | | 9581 | 7302 | 7477 | 2394 |
| 1966 | 7441 | Memorial Hospital of Lafayette County | | 5133 | 9542 | 4510 | 2394 |
| 1967 | 6803 | Memorial Hospital of Converse County WY | | 12684 | 4551 | 8217 | 2394 |
| 1968 | 9657 | Memorial Hospital of Carbon County WY | | 8328 | 9587 | 9261 | 2394 |
| 1969 | 3936 | Memorial Hospital North Conway NH | | 3591 | 6082 | 3871 | 1328 |
| 1970 | 7277 | Memorial Hospital Miramar | | 10815 | 5351 | 9055 | 2394 |
| 1971 | 6250 | Memorial Hospital Los Banos | | 6718 | 6493 | 5873 | 2394 |
| 1972 | 977 | Memorial Hospital Jacksonville | | 736 | 947 | 6619 | 898 |
| 1973 | 3723 | Memorial Hospital Craig Colorado | | 7473 | 3864 | 2338 | 2394 |
| 1974 | 4140 | Memorial Hospital Belleville Illinois | | 4870 | 3689 | 5709 | 2394 |
| 1975 | 2320 | Memorial Hospital at Gulfport | | 581 | 3957 | 2287 | 2394 |
| 1976 | 2261 | Memorial Hospital and Health Care Center | | 1217 | 2205 | 4991 | 2394 |
| 1977 | 13733 | Memorial Hermann Surgical Hospital (Sugard Land Surgical Hospital) | | 11506 | 14168 | 8217 | 2394 |
| 1978 | 135 | Memorial Hermann Northeast Hospital | | 509 | 147 | 609 | 440 |
| 1979 | 6707 | Memorial Hermann Baptist Hospitals | | 5161 | 7050 | 7133 | 2394 |
| 1980 | 632 | Memorial Healthcare System South Florida Hospital | | 631 | 535 | 1042 | 2394 |
| 1981 | 4481 | Memorial Healthcare | | 3619 | 5688 | 3630 | 2394 |
| 1982 | 1581 | Memorial Health University Medical Center | | 2268 | 1322 | 2618 | 2394 |
| 1983 | 3889 | Memorial Health System of East Texas | | 936 | 7793 | 1400 | 2394 |
| 1984 | 3048 | Memorial Health System Memorial Medical Center Springfield | | 2812 | 1750 | 8481 | 2394 |
| 1985 | 10968 | Memorial Health System Abilene Kansas | | 12493 | 9020 | 12104 | 2394 |
| 1986 | 6398 | Memorial Health System | | 965 | 10134 | 4413 | 2394 |
| 1987 | 11845 | Memorial Health Center Hospital Medford WI | | 15468 | 8067 | 12104 | 2394 |
| 1988 | 2207 | Memorial Health Care System | | 6890 | 1704 | 1953 | 2394 |
| 1989 | 5379 | Memorial Community Hospital & Health System | | 8241 | 4742 | 5838 | 2394 |
| 1990 | 10971 | Memorial Community Health Inc. | | 7384 | 10858 | 10913 | 2394 |
| 1991 | 2061 | Melvin & Bren Simon Cancer Center Indiana University | | 1585 | 1701 | 5267 | 2394 |
| 1992 | 10205 | Melissa Memorial Hospital | | 15468 | 5528 | 10913 | 2394 |
| 1993 | 9719 | Meeker County Memorial Hospital | | 9781 | 10404 | 7298 | 2394 |
| 1994 | 9204 | Mee Memorial Hospital | | 5853 | 8440 | 10913 | 2394 |
| 1995 | 12003 | MedWest Health | | 14878 | 9357 | 12104 | 2394 |
| 1996 | 108 | MedStar Health | | 114 | 229 | 367 | 387 |
| 1997 | 10734 | Medina Community Hospital | | 12974 | 9889 | 9504 | 2394 |
| 1998 | 1483 | Medicorp Health System | | 743 | 2506 | 753 | 2394 |
| 1999 | 8551 | Medicina Memorial Health Care System | | 11027 | 7947 | 7755 | 2394 |
| 2000 | 3447 | Medical University of South Carolina | | 1786 | 7275 | 2822 | 1132 |
