| 2401 | 6155 | Oktibbeha County Hospital |  | 9002 | 5899 | 5518 | 2394 |
| 2402 | 6649 | Oshawa Community Health Centre |  | 10772 | 7804 | 2515 | 2394 |
| 2403 | 4982 | Orange City Area Health System | | 3752 | 7072 | 2382 | 2394 |
| 2404 | 10029 | Ochiltree General Hospital | | 14968 | 5384 | 12104 | 2394 |
| 2405 | 12034 | Osborne County Memorial Hospital | | 11770 | 11161 | 12104 | 2394 |
| 2406 | 11819 | OCMI Obesidad & Cirugía Mini-Invasiva |  | 13271 | 13003 | 5164 | 2394 |
| 2407 | 6268 | O'Connor Hospital | | 8063 | 6651 | 4915 | 2394 |
| 2408 | 15699 | Odessa Heart Institute P.A. | | 15080 | 14667 | 12104 | 2394 |
| 2409 | 6195 | Odessa Regional Medical Center | | 2748 | 8476 | 4442 | 2394 |
| 2410 | 15559 | Oftal Clinic |  | 14607 | 14667 | 12104 | 2394 |
| 2411 | 14917 | Oftalmerida Clínica de Especialidades Oftalmológicas |  | 8648 | 14667 | 12104 | 2394 |
| 2412 | 15376 | Clínica Oftálmica S.A. |  | 13938 | 14667 | 12104 | 2394 |
| 2413 | 15506 | Oftalmoclinic Centro de Cirugía Ocular | | 14471 | 14667 | 12104 | 2394 |
| 2414 | 13857 | Confia Instituto Oftalmológico | | 14224 | 13428 | 12104 | 2394 |
| 2415 | 14891 | Oftalmolaser Clínica Oftalmológica | | 12098 | 14667 | 10253 | 2394 |
| 2416 | 14504 | Centro Oftalmológico Doctor Claudio Orlich |  | 13725 | 14320 | 12104 | 2394 |
| 2417 | 11743 | Centro Estatal de Oftalmología | | 12974 | 10903 | 10913 | 2394 |
| 2418 | 13786 | Servicio Oftalmológico Láser | | 11974 | 13649 | 12104 | 2394 |
| 2419 | 14170 | Oftalmología Mexicana Clínica de Especialidades Oftalmológicas | | 13419 | 14320 | 9055 | 2394 |
| 2420 | 14428 | Oftalmología Privada |  | 10140 | 14608 | 9055 | 2394 |
| 2421 | 15267 | Centro Oftalmológico Asmat | | 14330 | 14667 | 10913 | 2394 |
| 2422 | 12769 | Centro Oftalmológico San Ángel | | 15468 | 10003 | 12104 | 2394 |
| 2423 | 15327 | Oftalmos Instituto Oftalmológico | | 14968 | 14608 | 12104 | 2394 |
| 2424 | 15444 | Clínica de Ojos Oftalmovisión Trujillo Perú | | 14224 | 14667 | 12104 | 2394 |
| 2425 | 1742 | Ogden Regional Medical Center UT | | 1408 | 895 | 7755 | 2394 |
| 2426 | 4259 | Olean General Hospital | | 5082 | 4459 | 4365 | 2394 |
| 2427 | 13109 | Ohb Rio Medicina Hiperbarica |  | 13725 | 12364 | 12104 | 2394 |
| 2428 | 15303 | Cámara Hiperbarica Hospital de Especialidades Médicas | | 13472 | 14667 | 12104 | 2394 |
| 2429 | 14610 | Oxigenación Hiperbárica Coppola | | 15468 | 14016 | 12104 | 2394 |
| 2430 | 14700 | OHB (Oxigenación Hiperbárica) Punto Azul Medicina Hiperbárica | | 13989 | 14455 | 12104 | 2394 |
| 2431 | 10369 | Ohio Orthopedic Center of Excellence | | 14968 | 7223 | 9811 | 2394 |
| 2432 | 6036 | Ohio County Hospital | | 8556 | 4825 | 7560 | 2394 |
| 2433 | 11008 | Ohio Eye Alliance | | 12454 | 9114 | 12104 | 2394 |
| 2434 | 7957 | Ohio Heart & Vascular Center | | 7269 | 8426 | 7039 | 2394 |
| 2435 | 14619 | Ohio Surgery Center | | 10894 | 14667 | 8217 | 2394 |
| 2436 | 4829 | Ohio Valley General Hospital | | 9781 | 3766 | 5127 | 2394 |
| 2437 | 11262 | Orthopaedic Hospital of Wisconsin | | 14682 | 10414 | 8319 | 2394 |
| 2438 | 15699 | Centro Oftalmológico Concepción |  | 15080 | 14667 | 12104 | 2394 |
| 2439 | 11411 | Oklahoma City Clinic | | 12411 | 11827 | 8086 | 2394 |
| 2440 | 9637 | Okeene Municipal Hospital | | 14968 | 9192 | 4232 | 2394 |
| 2441 | 4841 | Oklahoma Heart Hospital | | 6624 | 4278 | 5789 | 2394 |
| 2442 | 10942 | Oklahoma Spine Hospital | | 12013 | 10368 | 9811 | 2394 |
| 2443 | 9513 | Orthopedic Hospital of Oklahoma | | 9104 | 10384 | 7039 | 2394 |
| 2444 | 14273 | Otto Kaiser Memorial Hospital | | 15468 | 13468 | 12104 | 2394 |
| 2445 | 13810 | Instituto Olhos da Alma Sã | | 8175 | 13889 | 12104 | 2394 |
| 2446 | 14033 | Instituto de Olhos Freitas | | 4848 | 14320 | 12104 | 2394 |
| 2447 | 15117 | Instituto de Olhos Villas | | 11701 | 14667 | 12104 | 2394 |
| 2448 | 4383 | Olin Health Center | | 10646 | 3782 | 3204 | 2394 |
| 2449 | 5286 | Olmsted Medical Center | | 4782 | 3101 | 10253 | 2394 |
| 2450 | 10393 | Olson Center for Women's Health University of Nebraska Medical Center | | 9431 | 9463 | 10913 | 2394 |
| 2451 | 8084 | Olympia Medical Center Los Angeles CA | | 10360 | 7151 | 8217 | 2394 |
| 2452 | 9506 | Omaha Eye & Laser Institute and Lincoln Eye & Laser Institute | | 10140 | 9153 | 8843 | 2394 |
| 2453 | 8098 | Omega Hospital Llc. | | 13271 | 3958 | 12104 | 2394 |
| 2454 | 8942 | Lincoln County Public Hospital District nr 1 Odessa Memorial Healthcare Center WA | | 10002 | 10475 | 4413 | 2394 |
| 2455 | 8674 | Omni Eye Services | | 8710 | 9685 | 6059 | 2394 |
| 2456 | 12801 | Clínica Oftalmológica Omnilaser | | 10040 | 12573 | 12104 | 2394 |
| 2457 | 13400 | Oncology Specialists Chicago Area Cancer Treatment Center | | 12594 | 13456 | 10253 | 2394 |
| 2458 | 12547 | Oncogyn Centro de Ginecología Preventiva | | 5787 | 13130 | 10913 | 2394 |
| 2459 | 10811 | Centro de Oncologia Campinas | | 13122 | 9136 | 10913 | 2394 |
| 2460 | 13734 | Instituto de Oncología & Radioterapia Clínica Ricardo Palma | | 6505 | 14405 | 7210 | 2394 |
| 2461 | 14844 | Instituto Oncologico Hospital 9 de Julho | | 12892 | 14539 | 12104 | 2394 |
| 2462 | 11895 | Oncology Center of Central Baltimore | | 12303 | 10794 | 12104 | 2394 |
| 2463 | 15201 | Oncomédica |  | 12493 | 14667 | 12104 | 2394 |
| 2464 | 14000 | Centro Oncológico del Norte | | 8019 | 14140 | 12104 | 2394 |
| 2465 | 5064 | Oneida Healthcare Center | | 4297 | 3309 | 9504 | 2394 |
| 2466 | 11516 | Oneida County Hospital Id | | 7898 | 11573 | 10913 | 2394 |
| 2467 | 7014 | Ongwanada Hospital | | 9752 | 8231 | 3318 | 2394 |
| 2468 | 2239 | Onslow Memorial Hospital | | 446 | 2923 | 4413 | 2394 |
| 2469 | 4775 | Opelousas General Health System | | 8038 | 3882 | 5660 | 2394 |
| 2470 | 14548 | Clínica de Ojos Opeluce | | 8556 | 14539 | 10913 | 2394 |
| 2471 | 10492 | Hospital Ophir Loyola | | 7418 | 11582 | 7956 | 2394 |
| 2472 | 15121 | Centro Oftalmológico Guanacaste | | 11736 | 14667 | 12104 | 2394 |
| 2473 | 14296 | Clinique Optovision | | 14052 | 14027 | 12104 | 2394 |
| 2474 | 14287 | Sanatorio Orameco | | 14052 | 14320 | 9504 | 2394 |
| 2475 | 5052 | Oregon Urology Institute | | 7622 | 4419 | 5660 | 2394 |
| 2476 | 3019 | Orange Regional Medical Center | | 2610 | 2718 | 5399 | 2394 |
| 2477 | 7031 | Oro Valley Hospital | | 1175 | 7232 | 10913 | 2394 |
| 2478 | 264 | Oroville Hospital | | 674 | 64 | 1346 | 2394 |
| 2479 | 15382 | Orthoclinic Cirugía Ortopedica y Deportiva | | 13989 | 14667 | 12104 | 2394 |
| 2480 | 3623 | Orthopaedic Hospital | | 7854 | 2312 | 5873 | 2394 |
| 2481 | 7623 | Orthopaedic Institute of Ohio | | 11474 | 7237 | 6213 | 2394 |
| 2482 | 12718 | Ortonville Area Health Services | | 14541 | 11220 | 12104 | 2394 |
| 2483 | 13826 | Mitchell County Regional Health Center | | 14878 | 12981 | 12104 | 2394 |
| 2484 | 1199 | Osceola Regional Medical Center | | 882 | 656 | 6059 | 2394 |
| 2485 | 4518 | Osf Holy Family Medical Center | | 2701 | 3940 | 8086 | 2394 |
| 2486 | 4955 | OSF Saint Elizabeth Medical Center (Community Hospital of Ottawa) | | 3571 | 4424 | 7755 | 2394 |
| 2487 | 4673 | Osf Saint James John W Albrecht Medical Center | | 2007 | 5093 | 6962 | 2394 |
| 2488 | 4069 | Osf Saint Francis Hospital Escanaba | | 2286 | 3288 | 8319 | 2394 |
| 2489 | 3383 | Osf Saint Mary Medical Center | | 2252 | 2914 | 6962 | 2394 |
| 2490 | 10274 | OSH Foundation (Grey Bruce Regional Health Centre) | | 10040 | 11840 | 5294 | 2394 |
| 2491 | 6436 | Soldiers' Memorial Hospital Orillia | | 5096 | 4340 | 10913 | 2394 |
| 2492 | 13989 | Osmond General Hospital | | 11654 | 13919 | 12104 | 2394 |
| 2493 | 6755 | Oklahoma State University Medical Center | | 8219 | 6584 | 6554 | 2394 |
| 2494 | 14695 | Hospital Oswaldo Cruz | | 7822 | 14667 | 10253 | 2394 |
| 2495 | 3985 | Oswego Hospital | | 6222 | 3763 | 4041 | 2394 |
| 2496 | 8317 | Othello Community Hospital WA | | 5070 | 10238 | 5660 | 2394 |
| 2497 | 14890 | Centro de Diagnóstico Otológico Cali |  | 10669 | 14667 | 10913 | 2394 |
| 2498 | 11349 | Ottawa County Health Center | | 13788 | 12168 | 5789 | 2394 |
| 2499 | 7605 | Ottumwa Regional Health Center | | 4803 | 8889 | 6619 | 2394 |
| 2500 | 15801 | Our Lady of Peace Hospital | | 15468 | 14667 | 12104 | 2394 |
