| 801 | 2796 | Otsu Municipal Hospital |  | 5858 | 4020 | 591 | 2394 |
| 802 | 9575 | Otogane Hospital | | 12340 | 9256 | 7846 | 2394 |
| 803 | 5482 | Otemae Hospital | | 8038 | 5104 | 5445 | 2394 |
| 804 | 1108 | Osaka University Medical Hospital | | 4524 | 1571 | 1028 | 903 |
| 805 | 10811 | Osaka University Health Care Center | | 13331 | 12124 | 4232 | 2394 |
| 806 | 1898 | Osaka Rosai Hospital | | 5248 | 2500 | 1047 | 1815 |
| 807 | 2341 | Osaka Red Cross Hospital | | 5737 | 2094 | 1869 | 2394 |
| 808 | 5671 | Osaka Railway Hospital | | 10360 | 4966 | 5102 | 2394 |
| 809 | 959 | Osaka Prefectural Hospital Organization | | 3602 | 1588 | 105 | 1328 |
| 810 | 1713 | Osaka Police Hospital | | 5139 | 2651 | 655 | 1328 |
| 811 | 8868 | Osaka Neurological Institute | | 11082 | 8421 | 7846 | 2394 |
| 812 | 1063 | Osaka National Hospital | | 3002 | 1137 | 738 | 1934 |
| 813 | 7925 | Osaka Mishima Emergency Medical Center | | 9231 | 8066 | 6677 | 2394 |
| 814 | 1273 | Osaka Medical Center for Cancer and Cardiovascular Diseases | | 3552 | 2048 | 117 | 1934 |
| 815 | 2750 | Osaka Medical Center and Research Institute for Maternal and Child Health | | 5796 | 3484 | 993 | 2394 |
| 816 | 2950 | Osaka Kosei Nennkin Hospital | | 6323 | 2827 | 2229 | 2394 |
| 817 | 9174 | Osaka Institute of Clinical Psychiatry Shin Abuyama Hospital | | 12641 | 8354 | 8086 | 2394 |
| 818 | 8674 | Osaka Hospital of Japan Seamen Relief Association | | 10191 | 8418 | 7755 | 2394 |
| 819 | 11906 | Osaka Hospital | | 11621 | 13014 | 6554 | 2394 |
| 820 | 11981 | Orthopaedic Surgery/Hand Surgery/Rheumatology Nagoya University Hospital | | 15468 | 8339 | 12104 | 2394 |
| 821 | 13559 | Orthopaedic Hospital of Yibin County Sichuan |  | 13472 | 13106 | 12104 | 2394 |
| 822 | 7296 | Orimoto Hospital | | 11474 | 7811 | 4120 | 2394 |
| 823 | 10537 | Oriental Hospital of Daejeon University |  | 194 | 12632 | 12104 | 2394 |
| 824 | 10818 | Oowaki Hospital | | 13167 | 8437 | 12104 | 2394 |
| 825 | 5915 | Oota Memorial Hospital | | 4748 | 5826 | 7210 | 2394 |
| 826 | 9245 | Ookuma Hospital | | 9163 | 9931 | 7210 | 2394 |
| 827 | 10205 | Onshinkai Hospital | | 10717 | 10336 | 8319 | 2394 |
| 828 | 7114 | Onishi Neurosurgical Hospital | | 10094 | 8662 | 2668 | 2394 |
| 829 | 11136 | Omoromachi Medical Center | | 13070 | 9125 | 12104 | 2394 |
| 830 | 10369 | Omiya Kyoritsu Hospital | | 12340 | 7915 | 12104 | 2394 |
| 831 | 4673 | Omiya Hospital / Medical Corporation Hakujinkai | | 9599 | 3095 | 6374 | 2394 |
| 832 | 3797 | Omihachiman Municipal Medical Center | | 7095 | 5132 | 1032 | 2394 |
| 833 | 4010 | Omichi Kai Group | | 4083 | 4019 | 5019 | 2394 |
| 834 | 6714 | Omi Kusatsu Hospital | | 8832 | 6021 | 7210 | 2394 |
| 835 | 11738 | Omi Hospital | | 10864 | 10858 | 12104 | 2394 |
| 836 | 4447 | Ome Municipal General Hospital | | 9446 | 4790 | 2161 | 2394 |
| 837 | 8317 | Okubo Hospital | | 11110 | 8168 | 6677 | 2394 |
| 838 | 5575 | Okinawa Hospital | | 9781 | 4776 | 5597 | 2394 |
| 839 | 9874 | Okinawa Chuo Hospital | | 11249 | 9418 | 8843 | 2394 |
| 840 | 4210 | Okazaki City Hospital | | 8472 | 4507 | 2354 | 2394 |
| 841 | 2337 | Okayama Saiseikai General Hospital | | 3632 | 2869 | 1292 | 2394 |
| 842 | 3754 | Okayama Rosai Hospital | | 7050 | 4658 | 1479 | 2394 |
| 843 | 8047 | Okayama First Hospital | | 10669 | 9003 | 4483 | 2394 |
| 844 | 5863 | Okaya Hospital | | 8953 | 6438 | 3463 | 2394 |
| 845 | 13113 | Okaya Enrei Hospital | | 15080 | 11179 | 12104 | 2394 |
| 846 | 5200 | Okatani Medical Foundation | | 4549 | 5801 | 5019 | 2394 |
| 847 | 4762 | Okamura Isshindow Hospital | | 5712 | 5075 | 4305 | 2394 |
| 848 | 8042 | Okamura Hospital | | 9410 | 9275 | 4575 | 2394 |
| 849 | 7679 | Okamura Commemoration Hospital Okamura Memorial Hospital | | 9279 | 8832 | 4483 | 2394 |
| 850 | 12058 | Okada Obstetrics Hospital | | 14171 | 10379 | 12104 | 2394 |
| 851 | 6985 | Oita Red Cross Hospital | | 10455 | 5480 | 8217 | 2394 |
| 852 | 4875 | Oita Prefectural Hospital | | 9839 | 4753 | 3229 | 2394 |
| 853 | 13625 | Oita Orthopedic Hospital | | 13122 | 13298 | 12104 | 2394 |
| 854 | 4908 | Oita Oka Hospital | | 7250 | 4363 | 5445 | 2394 |
| 855 | 6036 | Oita Nakamura Hospital | | 3479 | 6829 | 6497 | 2394 |
| 856 | 12978 | Ohwada Hospital Group | | 14273 | 11883 | 12104 | 2394 |
| 857 | 10220 | Ohtawara Red Cross Hospital | | 13788 | 8143 | 10253 | 2394 |
| 858 | 2477 | Ohta General Hospital | | 4158 | 2602 | 1968 | 2394 |
| 859 | 4569 | Ohno Memorial Hospital | | 3083 | 5509 | 4715 | 2394 |
| 860 | 12943 | Ohnishi Mental Hospital | | 14330 | 11772 | 12104 | 2394 |
| 861 | 3911 | Ohkubo Hospital Tokyo Metropolitan Health and Medical Treatment Corporation | | 6010 | 3939 | 3566 | 2394 |
| 862 | 5693 | Ohda Municipal Hospital | | 6056 | 6663 | 3940 | 2394 |
| 863 | 4349 | Ohara General Hospital | | 4766 | 4464 | 4941 | 2394 |
| 864 | 5820 | Ogori Daiichi General Hospital | | 7878 | 6124 | 4483 | 2394 |
| 865 | 3789 | Ogikubo Hospital | | 9863 | 4012 | 1491 | 2394 |
| 866 | 14212 | Ogawa Eye Clinic | | 14171 | 13919 | 12104 | 2394 |
| 867 | 7010 | Ogasawara Clinic Sapporo Hospital | | 11110 | 6959 | 5019 | 2394 |
| 868 | 5058 | Ogaki Municipal Hospital | | 6384 | 6926 | 1614 | 2394 |
| 869 | 4908 | Ofuna Chuo Hospital | | 5858 | 5764 | 3293 | 2394 |
| 870 | 12290 | Ofuji Hospital | | 11862 | 11511 | 12104 | 2394 |
| 871 | 6654 | Ochiai Hospital | | 11249 | 6866 | 4028 | 2394 |
| 872 | 13831 | Ochanomizu Ayumi Clinic | | 10582 | 14168 | 9261 | 2394 |
| 873 | 4919 | Obara Hospital Tokyo | | 7887 | 2764 | 8651 | 2394 |
| 874 | 8807 | Obara Hospital | | 7910 | 10771 | 4270 | 2394 |
| 875 | 11566 | Nyutabaru Holy Mother Hospital | | 13585 | 11653 | 8319 | 2394 |
| 876 | 12201 | Northwestern Sinus and Allergy Center | | 11736 | 12678 | 8843 | 2394 |
| 877 | 6051 | Northeast Normal University Hospital | | 8241 | 2534 | 12104 | 2394 |
| 878 | 13340 | North Hiroshima Hospital | | 15080 | 11712 | 12104 | 2394 |
| 879 | 5950 | Nomura Hospital | | 8175 | 6739 | 3550 | 2394 |
| 880 | 10070 | Nomiya Hospital | | 12375 | 9158 | 9261 | 2394 |
| 881 | 9178 | Nojiri Central Hospital | | 7954 | 10292 | 6826 | 2394 |
| 882 | 5545 | Noguchi Thyroid Clinic and Hospital Foundation | | 7674 | 4643 | 6826 | 2394 |
| 883 | 11048 | Nogaki Hospital | | 13021 | 10927 | 8651 | 2394 |
| 884 | 10734 | Noda Hospital | | 11832 | 9407 | 10913 | 2394 |
| 885 | 12461 | Noda Chuo Hospital | | 14052 | 11657 | 10913 | 2394 |
| 886 | 13747 | Noboribetsu Central Hospital | | 15080 | 12593 | 12104 | 2394 |
| 887 | 4204 | Nissay Hospital | | 8029 | 4076 | 3365 | 2394 |
| 888 | 4753 | Nissan Tamagawa Hospital | | 8802 | 3541 | 5959 | 2394 |
| 889 | 5856 | Nisinomiya Watanabe Hospital | | 7930 | 6847 | 3163 | 2394 |
| 890 | 11018 | Nishioka Hospital | | 9516 | 10492 | 10913 | 2394 |
| 891 | 4066 | Nishinokyo Hospital | | 8871 | 5602 | 2395 | 1328 |
| 892 | 6293 | Nishifukuoka Hospital | | 7837 | 7390 | 3630 | 2394 |
| 893 | 2884 | Nishi Niigata Chuo National Hospital | | 5568 | 3881 | 1625 | 1934 |
| 894 | 3611 | Nishi Kobe Medical Center | | 4342 | 4381 | 2674 | 2394 |
| 895 | 6540 | Nishi Eye Hospital | | 10547 | 6355 | 5102 | 2394 |
| 896 | 7089 | Nishi Agatsuma Welfare Hospital | | 6109 | 7923 | 6059 | 2394 |
| 897 | 5044 | Nippon Steel Yawata Memorial Hospital | | 8648 | 5233 | 3420 | 2394 |
| 898 | 5167 | Nippon Steel Hirohata Hospital | | 8007 | 5894 | 2762 | 2394 |
| 899 | 14399 | Nippon Medical School Chiba Hokusoh Hospital | | 12892 | 14667 | 4365 | 2394 |
| 900 | 2075 | Nippon Medical College Attachment Hospital | | 3861 | 1968 | 1906 | 2394 |
