| 2201 | 3199 | Mcdonough District Hospital |  | 4816 | 3042 | 3630 | 2394 |
| 2202 | 12501 | Mcdonald Murrmann Women's Clinic | | 8687 | 13407 | 8481 | 2394 |
| 2203 | 4694 | Mccullough Hyde Memorial Hospital | | 8556 | 3561 | 5789 | 2394 |
| 2204 | 8790 | Mccausland Hospital |  | 9961 | 10057 | 4886 | 2394 |
| 2205 | 11501 | Mccall Memorial Hospital | | 13989 | 9382 | 12104 | 2394 |
| 2206 | 4633 | Mcalester Regional Hospital and Medical Center | | 6624 | 5230 | 3073 | 2394 |
| 2207 | 5234 | Mayo Regional Hospital in Dover | | 9698 | 3357 | 7477 | 2394 |
| 2208 | 4 | Mayo Clinic Scottsdale AZ | | 125 | 1 | 987 | 94 |
| 2209 | 936 | Mayo Clinic Health System | | 1549 | 795 | 1083 | 2394 |
| 2210 | 7628 | Mayers Memorial Hospital District | | 8160 | 9320 | 3850 | 2394 |
| 2211 | 2274 | Maxim Healthcare Services | | 8522 | 1134 | 4413 | 2394 |
| 2212 | 646 | Maury Regional Hospital | | 3202 | 347 | 2056 | 1328 |
| 2213 | 11441 | Maumee Eye Clinic | | 12932 | 11214 | 9261 | 2394 |
| 2214 | 5931 | Maui Memorial Medical Center | | 6315 | 5984 | 5959 | 2394 |
| 2215 | 12261 | Mauer Eye Center | | 14330 | 11633 | 9811 | 2394 |
| 2216 | 3797 | Matheny Medical and Educational Center | | 6624 | 4433 | 4771 | 1328 |
| 2217 | 10801 | Matagorda County Hospital District | | 11770 | 11903 | 6059 | 2394 |
| 2218 | 4224 | Mat Su Regional Medical Center | | 1624 | 2888 | 10253 | 2394 |
| 2219 | 5870 | Massena Memorial Hospital | | 5040 | 6731 | 5071 | 2394 |
| 2220 | 7 | Massachusetts General Hospital | | 401 | 20 | 82 | 18 |
| 2221 | 493 | Massachusetts Eye and Ear Infirmary | | 1854 | 518 | 615 | 1157 |
| 2222 | 1865 | Massachusetts Alzheimer's Disease Research Center Massachusetts General Hospital | | 2821 | 3781 | 2176 | 753 |
| 2223 | 11729 | Massac Memorial Hospital | | 9897 | 11544 | 10913 | 2394 |
| 2224 | 1476 | Masonicare Wallingford CT | | 3872 | 1689 | 3607 | 860 |
| 2225 | 2564 | Mason General Hospital WA | | 6010 | 2162 | 2496 | 2394 |
| 2226 | 7351 | Mason District Hospital St Havana Illinois | | 11358 | 4155 | 10913 | 2394 |
| 2227 | 8855 | Maryland District of Columbia Society for Respiratory Care | | 12181 | 9921 | 5709 | 1934 |
| 2228 | 8142 | Mary Rutan Hospital | | 9981 | 7984 | 7133 | 2394 |
| 2229 | 8214 | Mary Lanning Healthcare | | 3858 | 7845 | 10253 | 2394 |
| 2230 | 3090 | Mary Greeley Medical Center | | 2511 | 1995 | 9811 | 1815 |
| 2231 | 6611 | Mary Black Health System | | 1744 | 6047 | 10913 | 2394 |
| 2232 | 2583 | Mary Bird Perkins Cancer Center | | 4152 | 3482 | 3062 | 1328 |
| 2233 | 12745 | Martinelli Eye Clinic | | 11249 | 13156 | 9261 | 2394 |
| 2234 | 2821 | Martin Health System | | 3780 | 2897 | 3039 | 2394 |
| 2235 | 5920 | Martin General Hospital | | 1852 | 5251 | 10253 | 2394 |
| 2236 | 5089 | Martin Army Community Hospital | | 8472 | 5140 | 3832 | 2394 |
| 2237 | 3026 | Martha Jefferson Hospital | | 2734 | 1188 | 10913 | 2394 |
| 2238 | 242 | Marshfield Clinic | | 1692 | 306 | 686 | 458 |
| 2239 | 10120 | Marshalltown Medical and Surgical Center | | 6644 | 12085 | 5709 | 2394 |
| 2240 | 2564 | Marshall Medical Placerville CA | | 1782 | 2656 | 4305 | 2394 |
| 2241 | 6004 | Marshall Medical Centers | | 7035 | 3178 | 10913 | 2394 |
| 2242 | 10570 | Marshall County Hospital | | 10175 | 11128 | 8086 | 2394 |
| 2243 | 10555 | Marshall Browning Hospital | | 5632 | 10594 | 10913 | 2394 |
| 2244 | 765 | Marquette General Health System Regional Medical Center | | 531 | 988 | 472 | 2394 |
| 2245 | 7919 | Marlette Regional Hospital | | 7473 | 9873 | 3871 | 2394 |
| 2246 | 8938 | Marlboro Park Hospital | | 2088 | 9471 | 10913 | 2394 |
| 2247 | 2650 | Markham Stouffville Hospital | | 4754 | 2665 | 2229 | 2394 |
| 2248 | 15477 | Markham Medical Centre | | 14374 | 14667 | 12104 | 2394 |
| 2249 | 7014 | Mark Twain Medical Center | | 3024 | 9183 | 5488 | 2394 |
| 2250 | 4570 | Marion General Hospital Marion Indiana | | 1887 | 5923 | 5127 | 2394 |
| 2251 | 9834 | Marineyes Mission | | 9121 | 9780 | 9055 | 2394 |
| 2252 | 4476 | Marina del Rey Hospital | | 3118 | 4129 | 7298 | 2394 |
| 2253 | 2971 | Marin General Hospital | | 4180 | 2528 | 4392 | 2394 |
| 2254 | 5611 | Marietta Eye Clinic | | 6993 | 4616 | 7393 | 2394 |
| 2255 | 1030 | Maricopa Integrated Health System | | 2979 | 1393 | 586 | 1739 |
| 2256 | 9462 | Marias Medical Center MT | | 11903 | 9534 | 7298 | 2394 |
| 2257 | 3550 | Marian Medical Center Santa Maria CA | | 2665 | 4242 | 5597 | 1934 |
| 2258 | 11067 | Marian Community Hospital | | 14607 | 10953 | 6757 | 2394 |
| 2259 | 8739 | Marian Clinic | | 13331 | 10251 | 5294 | 1328 |
| 2260 | 8303 | Maria Parham Medical Center | | 7024 | 9247 | 6619 | 2394 |
| 2261 | 11316 | Margaret Mary Health | | 8277 | 12811 | 6677 | 2394 |
| 2262 | 9981 | Marengo Memorial Hospital | | 12013 | 9961 | 7846 | 2394 |
| 2263 | 3555 | Marcus Daly Memorial Hospital MT | | 4122 | 4772 | 1997 | 2394 |
| 2264 | 10073 | Marcum & Wallace Memorial Hospital | | 2678 | 11630 | 9261 | 2394 |
| 2265 | 10691 | Maple Grove Eye Clinic and Opticians | | 12684 | 9927 | 9504 | 2394 |
| 2266 | 13165 | Maple Family Health Team | | 7220 | 14168 | 6677 | 2394 |
| 2267 | 6820 | Manning Regional Healthcare Center | | 7634 | 7450 | 5267 | 2394 |
| 2268 | 5185 | Mankato Clinic | | 4963 | 7172 | 2096 | 2394 |
| 2269 | 9494 | Manitouwadge General Hospital | | 12892 | 11066 | 4605 | 1934 |
| 2270 | 4287 | Maniilaq Association | | 11862 | 3458 | 3029 | 2394 |
| 2271 | 10532 | Manhattan Surgical Center | | 13331 | 9842 | 8843 | 2394 |
| 2272 | 7423 | Manchester Memorial Hospital | | 4434 | 8613 | 6826 | 2394 |
| 2273 | 4015 | Manatee Memorial Hospital | | 7712 | 2967 | 5445 | 2394 |
| 2274 | 5459 | Manatee / Sarasota Eye Clinic | | 9446 | 4652 | 5624 | 2394 |
| 2275 | 6881 | Mammoth Hospital | | 6638 | 4918 | 10253 | 2394 |
| 2276 | 4940 | Male Fertility Clinic | | 6366 | 3669 | 7477 | 2394 |
| 2277 | 5200 | Major Hospital | | 10279 | 3798 | 6059 | 2394 |
| 2278 | 4154 | Mainland Medical Center | | 1370 | 4684 | 7133 | 2394 |
| 2279 | 422 | Mainehealth | | 431 | 519 | 436 | 1815 |
| 2280 | 716 | MaineGeneral Health | | 896 | 1208 | 2772 | 622 |
| 2281 | 197 | Maine Medical Center | | 220 | 275 | 336 | 857 |
| 2282 | 3548 | Maine Coast Memorial Hospital | | 1508 | 4985 | 3985 | 2394 |
| 2283 | 839 | Main Line Health | | 529 | 538 | 3715 | 2394 |
| 2284 | 838 | Maimonides Medical Center Brooklyn New York | | 643 | 812 | 10253 | 341 |
| 2285 | 14472 | Mahoning Valley Hospital | | 13227 | 14455 | 10253 | 2394 |
| 2286 | 10814 | Mahnomen Health Center | | 9720 | 10988 | 9261 | 2394 |
| 2287 | 8626 | Mahaska Health Partnership | | 3011 | 8438 | 10913 | 2394 |
| 2288 | 9040 | Magruder Hospital | | 7199 | 7762 | 10913 | 2394 |
| 2289 | 6004 | Magnolia Regional Health Center | | 7995 | 6214 | 4915 | 2394 |
| 2290 | 11477 | Magnolia Hospital | | 9516 | 12326 | 8319 | 2394 |
| 2291 | 14164 | Magie Mabrey Eye Clinic PA | | 13374 | 14320 | 9055 | 2394 |
| 2292 | 2574 | Magee Rehabilitation Hospital | | 3432 | 2281 | 3832 | 2394 |
| 2293 | 9344 | Magee General Hospital | | 6130 | 10514 | 7660 | 2394 |
| 2294 | 4165 | Madonna Rehabilitation Hospital | | 2840 | 1753 | 12104 | 2394 |
| 2295 | 9108 | Madison Memorial Hospital ID | | 14762 | 4386 | 12104 | 2394 |
| 2296 | 10565 | Madison Medical Center | | 13989 | 8956 | 9811 | 2394 |
| 2297 | 10256 | Madison Lutheran Home | | 8571 | 11226 | 7660 | 2394 |
| 2298 | 9663 | Madison County Health Care Systems | | 11736 | 7595 | 10913 | 2394 |
| 2299 | 9815 | Madison Community Hospital | | 12098 | 9101 | 8843 | 2394 |
| 2300 | 890 | Madison Center | | 2641 | 1296 | 1105 | 860 |
