| 1801 | 11411 | Oklahoma City Clinic |  | 12411 | 11827 | 8086 | 2394 |
| 1802 | 9637 | Okeene Municipal Hospital | | 14968 | 9192 | 4232 | 2394 |
| 1803 | 391 | OhioHealth | | 1646 | 237 | 1205 | 1328 |
| 1804 | 5064 | Ohio Valley Medical Center East Ohio Regional Hospital | | 4811 | 6773 | 5518 | 1328 |
| 1805 | 13020 | Ohio Valley Medical Center | | 15468 | 10574 | 12104 | 2394 |
| 1806 | 4829 | Ohio Valley General Hospital | | 9781 | 3766 | 5127 | 2394 |
| 1807 | 14619 | Ohio Surgery Center | | 10894 | 14667 | 8217 | 2394 |
| 1808 | 4420 | Ohio State University Medical Center Department of Internal Medicine Columbus Ohio | | 2753 | 1998 | 12104 | 2394 |
| 1809 | 708 | Ohio State University Medical Center Columbus Ohio | | 3730 | 95 | 5921 | 2394 |
| 1810 | 10369 | Ohio Orthopedic Center of Excellence | | 14968 | 7223 | 9811 | 2394 |
| 1811 | 7957 | Ohio Heart & Vascular Center | | 7269 | 8426 | 7039 | 2394 |
| 1812 | 11008 | Ohio Eye Alliance | | 12454 | 9114 | 12104 | 2394 |
| 1813 | 6036 | Ohio County Hospital | | 8556 | 4825 | 7560 | 2394 |
| 1814 | 13109 | Ohb Rio Medicina Hiperbarica |  | 13725 | 12364 | 12104 | 2394 |
| 1815 | 14700 | OHB (Oxigenación Hiperbárica) Punto Azul Medicina Hiperbárica |  | 13989 | 14455 | 12104 | 2394 |
| 1816 | 1742 | Ogden Regional Medical Center UT | | 1408 | 895 | 7755 | 2394 |
| 1817 | 15327 | Oftalmos Instituto Oftalmológico |  | 14968 | 14608 | 12104 | 2394 |
| 1818 | 14428 | Oftalmología Privada |  | 10140 | 14608 | 9055 | 2394 |
| 1819 | 14170 | Oftalmología Mexicana Clínica de Especialidades Oftalmológicas | | 13419 | 14320 | 9055 | 2394 |
| 1820 | 14891 | Oftalmolaser Clínica Oftalmológica |  | 12098 | 14667 | 10253 | 2394 |
| 1821 | 15506 | Oftalmoclinic Centro de Cirugía Ocular | | 14471 | 14667 | 12104 | 2394 |
| 1822 | 14917 | Oftalmerida Clínica de Especialidades Oftalmológicas | | 8648 | 14667 | 12104 | 2394 |
| 1823 | 15559 | Oftal Clinic |  | 14607 | 14667 | 12104 | 2394 |
| 1824 | 6195 | Odessa Regional Medical Center | | 2748 | 8476 | 4442 | 2394 |
| 1825 | 15699 | Odessa Heart Institute P.A. | | 15080 | 14667 | 12104 | 2394 |
| 1826 | 6130 | Ocular Oncology Service At Bascom Palmer Eye Institute | | 12932 | 2818 | 9504 | 2394 |
| 1827 | 4492 | Oconee Regional Health Systems | | 9336 | 4499 | 4270 | 1934 |
| 1828 | 11819 | OCMI Obesidad & Cirugía Mini-Invasiva | | 13271 | 13003 | 5164 | 2394 |
| 1829 | 60 | Ochsner Health System | | 120 | 285 | 370 | 92 |
| 1830 | 10029 | Ochiltree General Hospital | | 14968 | 5384 | 12104 | 2394 |
| 1831 | 8705 | Ocean Beach Hospital and Medical Clinics WA | | 10815 | 9787 | 4798 | 2394 |
| 1832 | 1442 | Ocala Regional Medical Center | | 837 | 1116 | 6554 | 1934 |
| 1833 | 6755 | Ocala Eye Center | | 11548 | 5720 | 6554 | 2394 |
| 1834 | 379 | Oakwood Healthcare System | | 843 | 478 | 386 | 1157 |
| 1835 | 7565 | Oakleaf Medical Network | | 5975 | 7124 | 8843 | 2394 |
| 1836 | 5058 | Oaklawn Hospital | | 2707 | 5842 | 7393 | 1934 |
| 1837 | 8162 | Oakland Mercy Hospital | | 3913 | 10806 | 4575 | 2394 |
| 1838 | 9105 | Oakdale Obstetrics and Gynecology P.A. | | 9148 | 10637 | 5071 | 2394 |
| 1839 | 10401 | Oakdale Community Hospital | | 14541 | 8801 | 8843 | 2394 |
| 1840 | 7176 | Oakbend Medical Center | | 9002 | 6464 | 7660 | 2394 |
| 1841 | 3881 | Oak Valley Hospital Catholic Healthcare West CA | | 8586 | 3045 | 4232 | 2394 |
| 1842 | 979 | Oak Hill Hospital | | 816 | 629 | 3814 | 2394 |
| 1843 | 6268 | O'Connor Hospital | | 8063 | 6651 | 4915 | 2394 |
| 1844 | 4314 | NYU Fertility Center New York NY | | 6017 | 3055 | 7210 | 2394 |
| 1845 | 13084 | Nye Regional Medical Center NV | | 11397 | 13225 | 10253 | 2394 |
| 1846 | 1301 | Nyack Hospital | | 4554 | 581 | 3731 | 2394 |
| 1847 | 15327 | Nuevo Hospital Bocagrande |  | 14968 | 14608 | 12104 | 2394 |
| 1848 | 7445 | Nueterra Healthcare | | 9497 | 4737 | 10913 | 2394 |
| 1849 | 15614 | Nuclear Oncology Medical Care | | 14762 | 14667 | 12104 | 2394 |
| 1850 | 6627 | Novato Community Hospital | | 3678 | 7355 | 7298 | 2394 |
| 1851 | 14682 | Novant Health Bradford Clinic Obstetrics & Gynecology | | 3877 | 14667 | 12104 | 2394 |
| 1852 | 14549 | Novant Health Blume Pediatric Hematology & Oncology | | 11432 | 14455 | 12104 | 2394 |
| 1853 | 416 | Novant Health | | 506 | 272 | 1505 | 1934 |
| 1854 | 14961 | Novamed Eye Surgery Center of Madison | | 13652 | 14667 | 9811 | 2394 |
| 1855 | 2379 | Norwalk Hospital | | 4021 | 2230 | 2496 | 2394 |
| 1856 | 7184 | Norton Sound Health Corporation | | 9516 | 5385 | 9261 | 2394 |
| 1857 | 334 | Norton Health Care | | 927 | 411 | 310 | 1085 |
| 1858 | 11092 | Norton County Hospital | | 12841 | 10145 | 10253 | 2394 |
| 1859 | 10184 | Northwood Deaconess Health Center | | 13374 | 9970 | 7560 | 2394 |
| 1860 | 5325 | Northwestern Memorial Physicians Group | | 8262 | 3588 | 7956 | 2394 |
| 1861 | 60 | Northwestern Medicine | | 203 | 289 | 93 | 115 |
| 1862 | 4673 | Northwestern Medical Center | | 4417 | 5620 | 3715 | 2394 |
| 1863 | 11424 | Northwestern LASIK Physicians | | 13021 | 9675 | 12104 | 2394 |
| 1864 | 4673 | Northwest Texas Healthcare System | | 9019 | 3362 | 5959 | 2394 |
| 1865 | 14921 | Northwest Tennessee Cardiology Clinic | | 14419 | 14667 | 9811 | 1934 |
| 1866 | 7770 | Northwest Specialty Hospital ID | | 9897 | 7301 | 7393 | 2394 |
| 1867 | 9411 | Northwest Mississippi Regional Medical Center | | 670 | 11264 | 10913 | 2394 |
| 1868 | 4366 | Northwest Medical Center Tucson Area | | 781 | 3415 | 10913 | 2394 |
| 1869 | 1248 | Northwest Medical Center Margate FL | | 1180 | 742 | 5127 | 2394 |
| 1870 | 12616 | Northwest Medical Center Fasthealth Corporation | | 11770 | 13253 | 8217 | 2394 |
| 1871 | 710 | Northwest Hospital Gamma Knife Center | | 3917 | 270 | 1590 | 2394 |
| 1872 | 14259 | Northwest Hospital & Medical Center Childbirth Center Seattle WA | | 8098 | 14667 | 5518 | 2394 |
| 1873 | 5052 | Northwest Health System | | 2100 | 3373 | 10913 | 2394 |
| 1874 | 8325 | Northwest Georgia Oncology Centers | | 5121 | 8672 | 8651 | 2394 |
| 1875 | 10361 | Northwest Florida Community Hospital | | 10978 | 10251 | 8843 | 2394 |
| 1876 | 6785 | Northwest Eye Surgeons Seattle WA | | 5737 | 4036 | 12104 | 2394 |
| 1877 | 7460 | Northwest Eye Clinic MN | | 8844 | 5577 | 9811 | 2394 |
| 1878 | 14877 | Northwest Eye Center Wheat Ridge CO | | 13167 | 14539 | 12104 | 2394 |
| 1879 | 884 | Northwest Community Hospital | | 4155 | 840 | 1586 | 972 |
| 1880 | 2857 | Northumberland Hills Hospital |  | 4136 | 4706 | 2056 | 1328 |
| 1881 | 5653 | NORTHSTAR Health System | | 4867 | 6717 | 4413 | 2394 |
| 1882 | 13388 | Northside Hospital Foundation | | 12340 | 13468 | 10253 | 2394 |
| 1883 | 1009 | Northside Hospital & Tampa Bay Heart Institute | | 791 | 601 | 6213 | 1934 |
| 1884 | 1380 | Northside Hospital | | 733 | 297 | 12104 | 2394 |
| 1885 | 248 | NorthShore University HealthSystem | | 728 | 380 | 1577 | 355 |
| 1886 | 11513 | Northridge Medical Center | | 11046 | 11919 | 8843 | 2394 |
| 1887 | 6214 | Northkey Community Care / Northern Kentucky Mental Health Mental Retardation Board | | 10864 | 5568 | 5518 | 2394 |
| 1888 | 3456 | Northfield Hospital | | 6214 | 3351 | 3097 | 2394 |
| 1889 | 1136 | Northern Westchester Hospital | | 3322 | 632 | 3533 | 1934 |
| 1890 | 5361 | Northern Nevada Medical Center | | 8211 | 4141 | 7039 | 2394 |
| 1891 | 4135 | Northern Montana Hospital | | 9545 | 3322 | 3985 | 2394 |
| 1892 | 13687 | Northern Medical Services | | 14471 | 13655 | 9261 | 2394 |
| 1893 | 5452 | Northern Maine Medical Center | | 4697 | 4212 | 8843 | 2394 |
| 1894 | 4391 | Northern Inyo Hospital | | 4959 | 2237 | 9811 | 2394 |
| 1895 | 13098 | Northern Idaho Advanced Care Hospital | | 12787 | 13674 | 7560 | 2394 |
| 1896 | 4300 | Northern Hospital of Surry County | | 7822 | 3432 | 5267 | 2394 |
| 1897 | 427 | Northern Health | | 3245 | 864 | 401 | 366 |
| 1898 | 6214 | Northern Cochise Community Hospital | | 5354 | 6608 | 6328 | 2394 |
| 1899 | 10876 | Northern California Urology Medical Clinic | | 12269 | 8939 | 12104 | 2394 |
| 1900 | 6568 | Northern California Fertility Medical Center | | 11325 | 4106 | 9055 | 2394 |
