| 501 | 6374 | Nakano Kyoritsu Hospital | 9446 | 7688 | 2553 | 2394 |
| 502 | 2700 | Nakatsu Saiseikai Hospital | 4365 | 2910 | 2109 | 2394 |
| 503 | 7474 | Nakazima Hospital | 8359 | 8114 | 5709 | 2394 |
| 504 | 11519 | Nanju Kinen Clinic | 14224 | 9281 | 12104 | 2394 |
| 505 | 4244 | Nanpu Hospital | 4188 | 6356 | 1535 | 2394 |
| 506 | 6444 | Nanto Municipal Hospital | 7555 | 7484 | 4041 | 2394 |
| 507 | 9211 | Nanzan Hospital | 12057 | 9802 | 7298 | 1934 |
| 508 | 5346 | Nara City Hospital | 8648 | 4952 | 5019 | 2394 |
| 509 | 7053 | Nara East Hospital Fureai No Sato | 11287 | 6454 | 6167 | 2394 |
| 510 | 8662 | Nara Hospital Association | 6776 | 9327 | 7660 | 2394 |
| 511 | 10425 | Nara Koseikai Hospital | 13725 | 10427 | 7133 | 2394 |
| 512 | 10090 | Narashino Daiichi Hospital | 11175 | 7763 | 12104 | 2394 |
| 513 | 5501 | Naruo Orthopedic Hospital | 6184 | 6445 | 3697 | 2394 |
| 514 | 8269 | Nasuchuoh Hospital | 9877 | 8384 | 6757 | 2394 |
| 515 | 136 | National Cancer Center Hospital | 256 | 160 | 198 | 729 |
| 516 | 468 | National Cardiovascular Center | 2788 | 591 | 390 | 846 |
| 517 | 424 | National Center for Child Health and Development National Children's Medical Center
Research Institute | 855 | 838 | 171 | 915 |
| 518 | 201 | National Center of Neurology and Psychiatry | 2354 | 527 | 129 | 219 |
| 519 | 5638 | National Fukuoka Higashi Medical Center | 9752 | 7002 | 1623 | 2394 |
| 520 | 43 | National Hospital Organization | 1412 | 190 | 19 | 47 |
| 521 | 2519 | National Hospital Organization Hokkaido Cancer Center | 3413 | 3500 | 1111 | 2394 |
| 522 | 2089 | National Hospital Organization Nagoya Medical Center | 7006 | 2440 | 1659 | 1328 |
| 523 | 3167 | National Hospital Organization Osaka Minami Medical Center | 6546 | 3787 | 1305 | 2394 |
| 524 | 1659 | National Hospital Organization Tokyo Medical Center | 3282 | 2158 | 458 | 2394 |
| 525 | 4157 | National Hospital Organization Yokohama Center | 6881 | 5797 | 1091 | 2394 |
| 526 | 3275 | National Kyushu Cancer Center | 5494 | 3996 | 1700 | 2394 |
| 527 | 9999 | Nayoro San Ai Hospital | 7089 | 12476 | 3765 | 2394 |
| 528 | 3143 | Nerima General Hospital | 4148 | 4145 | 1689 | 2394 |
| 529 | 4720 | Nho Saigata National Hospital | 10547 | 4046 | 3765 | 2394 |
| 530 | 7538 | Nigata Prefectural Koide Hospital | 8974 | 8225 | 5445 | 2394 |
| 531 | 8355 | Niigata Prefectural Kamo Hospital | 12454 | 8921 | 4547 | 2394 |
| 532 | 5397 | Niigata Prefecture Welfare Federation of Agricultural Cooperatives Hospital | 9321 | 4496 | 5838 | 2394 |
| 533 | 5643 | Niigata Rinko Hospital | 4145 | 7047 | 4181 | 2394 |
| 534 | 5031 | Niigata Rosai Hospital | 7220 | 6461 | 1856 | 2394 |
| 535 | 2244 | Niigata University Medical & Dental Hospital | 4923 | 2582 | 946 | 2394 |
| 536 | 4680 | Niizashiki Chuo General Hospital | 6093 | 5049 | 3797 | 2394 |
| 537 | 8667 | Niki Hearty Hospital | 13122 | 9901 | 3029 | 2394 |
| 538 | 3340 | Nikko Kinen Hospital | 4263 | 3755 | 2858 | 2394 |
| 539 | 6447 | Nippon Kokan Fukuyama Hospital | 9482 | 6727 | 4575 | 2394 |
| 540 | 3361 | Nippon Kokan K.K Hospital | 5914 | 3708 | 2176 | 2394 |
| 541 | 2075 | Nippon Medical College Attachment Hospital | 3861 | 1968 | 1906 | 2394 |
| 542 | 5167 | Nippon Steel Hirohata Hospital | 8007 | 5894 | 2762 | 2394 |
| 543 | 5044 | Nippon Steel Yawata Memorial Hospital | 8648 | 5233 | 3420 | 2394 |
| 544 | 7089 | Nishi Agatsuma Welfare Hospital | 6109 | 7923 | 6059 | 2394 |
| 545 | 6540 | Nishi Eye Hospital | 10547 | 6355 | 5102 | 2394 |
| 546 | 3611 | Nishi Kobe Medical Center | 4342 | 4381 | 2674 | 2394 |
| 547 | 2884 | Nishi Niigata Chuo National Hospital | 5568 | 3881 | 1625 | 1934 |
| 548 | 6293 | Nishifukuoka Hospital | 7837 | 7390 | 3630 | 2394 |
| 549 | 4066 | Nishinokyo Hospital | 8871 | 5602 | 2395 | 1328 |
| 550 | 11018 | Nishioka Hospital | 9516 | 10492 | 10913 | 2394 |
| 551 | 5856 | Nisinomiya Watanabe Hospital | 7930 | 6847 | 3163 | 2394 |
| 552 | 4753 | Nissan Tamagawa Hospital | 8802 | 3541 | 5959 | 2394 |
| 553 | 4204 | Nissay Hospital | 8029 | 4076 | 3365 | 2394 |
| 554 | 10734 | Noda Hospital | 11832 | 9407 | 10913 | 2394 |
| 555 | 11048 | Nogaki Hospital | 13021 | 10927 | 8651 | 2394 |
| 556 | 5545 | Noguchi Thyroid Clinic and Hospital Foundation | 7674 | 4643 | 6826 | 2394 |
| 557 | 9178 | Nojiri Central Hospital | 7954 | 10292 | 6826 | 2394 |
| 558 | 10070 | Nomiya Hospital | 12375 | 9158 | 9261 | 2394 |
| 559 | 5950 | Nomura Hospital | 8175 | 6739 | 3550 | 2394 |
| 560 | 11566 | Nyutabaru Holy Mother Hospital | 13585 | 11653 | 8319 | 2394 |
| 561 | 8807 | Obara Hospital | 7910 | 10771 | 4270 | 2394 |
| 562 | 4919 | Obara Hospital Tokyo | 7887 | 2764 | 8651 | 2394 |
| 563 | 6654 | Ochiai Hospital | 11249 | 6866 | 4028 | 2394 |
| 564 | 4908 | Ofuna Chuo Hospital | 5858 | 5764 | 3293 | 2394 |
| 565 | 5058 | Ogaki Municipal Hospital | 6384 | 6926 | 1614 | 2394 |
| 566 | 7010 | Ogasawara Clinic Sapporo Hospital | 11110 | 6959 | 5019 | 2394 |
| 567 | 3789 | Ogikubo Hospital | 9863 | 4012 | 1491 | 2394 |
| 568 | 5820 | Ogori Daiichi General Hospital | 7878 | 6124 | 4483 | 2394 |
| 569 | 4349 | Ohara General Hospital | 4766 | 4464 | 4941 | 2394 |
| 570 | 5693 | Ohda Municipal Hospital | 6056 | 6663 | 3940 | 2394 |
| 571 | 3911 | Ohkubo Hospital Tokyo Metropolitan Health and Medical Treatment Corporation | 6010 | 3939 | 3566 | 2394 |
| 572 | 4569 | Ohno Memorial Hospital | 3083 | 5509 | 4715 | 2394 |
| 573 | 2477 | Ohta General Hospital | 4158 | 2602 | 1968 | 2394 |
| 574 | 10220 | Ohtawara Red Cross Hospital | 13788 | 8143 | 10253 | 2394 |
| 575 | 6036 | Oita Nakamura Hospital | 3479 | 6829 | 6497 | 2394 |
| 576 | 4908 | Oita Oka Hospital | 7250 | 4363 | 5445 | 2394 |
| 577 | 4875 | Oita Prefectural Hospital | 9839 | 4753 | 3229 | 2394 |
| 578 | 6985 | Oita Red Cross Hospital | 10455 | 5480 | 8217 | 2394 |
| 579 | 7679 | Okamura Commemoration Hospital Okamura Memorial Hospital | 9279 | 8832 | 4483 | 2394 |
| 580 | 8042 | Okamura Hospital | 9410 | 9275 | 4575 | 2394 |
| 581 | 4762 | Okamura Isshindow Hospital | 5712 | 5075 | 4305 | 2394 |
| 582 | 5200 | Okatani Medical Foundation | 4549 | 5801 | 5019 | 2394 |
| 583 | 5863 | Okaya Hospital | 8953 | 6438 | 3463 | 2394 |
| 584 | 8047 | Okayama First Hospital | 10669 | 9003 | 4483 | 2394 |
| 585 | 3754 | Okayama Rosai Hospital | 7050 | 4658 | 1479 | 2394 |
| 586 | 2337 | Okayama Saiseikai General Hospital | 3632 | 2869 | 1292 | 2394 |
| 587 | 4210 | Okazaki City Hospital | 8472 | 4507 | 2354 | 2394 |
| 588 | 9874 | Okinawa Chuo Hospital | 11249 | 9418 | 8843 | 2394 |
| 589 | 5575 | Okinawa Hospital | 9781 | 4776 | 5597 | 2394 |
| 590 | 8317 | Okubo Hospital | 11110 | 8168 | 6677 | 2394 |
| 591 | 4447 | Ome Municipal General Hospital | 9446 | 4790 | 2161 | 2394 |
| 592 | 11738 | Omi Hospital | 10864 | 10858 | 12104 | 2394 |
| 593 | 6714 | Omi Kusatsu Hospital | 8832 | 6021 | 7210 | 2394 |
| 594 | 4010 | Omichi Kai Group | 4083 | 4019 | 5019 | 2394 |
| 595 | 3797 | Omihachiman Municipal Medical Center | 7095 | 5132 | 1032 | 2394 |
| 596 | 4673 | Omiya Hospital / Medical Corporation Hakujinkai | 9599 | 3095 | 6374 | 2394 |
| 597 | 10369 | Omiya Kyoritsu Hospital | 12340 | 7915 | 12104 | 2394 |
| 598 | 11136 | Omoromachi Medical Center | 13070 | 9125 | 12104 | 2394 |
| 599 | 7114 | Onishi Neurosurgical Hospital | 10094 | 8662 | 2668 | 2394 |
| 600 | 10205 | Onshinkai Hospital | 10717 | 10336 | 8319 | 2394 |
