| # | Institution | Articles | Citations | R ARank | R CRank |
|---|
| 1 | National Institute on Aging | 70 | 13,364 | 23 | 9 |
| 2 | National Institutes of Health | 68 | 10,583 | 440 | 204 |
| 3 | University of Iowa | 9 | 7,744 | 1.9K | 65 |
| 4 | University of Michigan | 62 | 7,434 | 724 | 303 |
| 5 | University of California | 56 | 4,719 | 2.6K | 1.4K |
| 6 | Duke University | 18 | 4,359 | 912 | 170 |
| 7 | Pennsylvania State University | 42 | 3,775 | 644 | 289 |
| 8 | University of Chicago | 27 | 3,167 | 820 | 405 |
| 9 | Duke University Hospital | 35 | 2,866 | 438 | 290 |
| 10 | Beth Israel Deaconess Medical Center | 12 | 2,504 | 678 | 200 |
| 11 | University of Washington | 29 | 2,457 | 1.5K | 888 |
| 12 | Brown University | 11 | 2,350 | 1.0K | 231 |
| 13 | Case Western Reserve University | 22 | 2,237 | 654 | 305 |
| 14 | University of Texas Health Science Center at San Antonio | 13 | 2,195 | 360 | 97 |
| 15 | University of Wisconsin–Madison | 32 | 2,032 | 1.3K | 866 |
| 16 | University of Pittsburgh | 17 | 1,836 | 1.6K | 640 |
| 17 | Rutgers University | 14 | 1,719 | 1.3K | 407 |
| 18 | University of Toronto | 10 | 1,712 | 4.3K | 1.2K |
| 19 | Johns Hopkins University | 16 | 1,640 | 1.5K | 697 |
| 20 | RTI International | 1 | 1,531 | 1.2K | 47 |
| 21 | University of Southern California | 25 | 1,497 | 938 | 718 |
| 22 | University of Texas System | 13 | 1,477 | 376 | 154 |
| 23 | University of Maryland | 5 | 1,274 | 4.3K | 896 |
| 24 | Stanford University | 14 | 1,107 | 2.1K | 1.4K |
| 25 | University of Oregon | 8 | 1,052 | 791 | 276 |
| 26 | Georgia Institute of Technology | 15 | 1,044 | 901 | 582 |
| 27 | Washington University School of Medicine | 18 | 1,014 | 778 | 607 |
| 28 | National Institute of Mental Health | 19 | 965 | 208 | 219 |
| 29 | Boston University | 11 | 957 | 1.1K | 557 |
| 30 | Kent State University | 9 | 955 | 462 | 94 |
| 31 | University of Minnesota | 14 | 939 | 2.6K | 1.5K |
| 32 | National Heart, Lung, and Blood Institute | 32 | 930 | 101 | 183 |
| 33 | University of Kansas | 7 | 888 | 1.8K | 504 |
| 34 | University of Texas at Austin | 10 | 885 | 3.2K | 1.5K |
| 35 | Iowa State University | 10 | 883 | 1.4K | 603 |
| 36 | University of Florida | 15 | 824 | 2.2K | 1.4K |
| 37 | University of Georgia | 15 | 820 | 1.2K | 777 |
| 38 | Harvard University | 10 | 780 | 2.0K | 1.3K |
| 39 | Ohio State University | 9 | 770 | 3.3K | 1.5K |
| 40 | National Institute of Dental and Craniofacial Research | 10 | 740 | 139 | 132 |
| 41 | University of Texas Medical Branch | 10 | 717 | 735 | 391 |
| 42 | Yale University | 9 | 709 | 1.9K | 1.1K |
| 43 | Columbia University | 19 | 697 | 1.6K | 1.6K |
| 44 | University of California, Los Angeles | 9 | 672 | 1.5K | 965 |
| 45 | State University of New York | 13 | 662 | 1.1K | 846 |
| 46 | Brandeis University | 9 | 628 | 314 | 225 |
| 47 | National Center for Health Statistics | 3 | 613 | 140 | 74 |
| 48 | University of Miami | 20 | 610 | 536 | 727 |
| 49 | Michigan State University | 13 | 583 | 1.7K | 1.3K |
| 50 | Wayne State University | 9 | 573 | 1.3K | 646 |
| 51 | University of New South Wales | 1 | 568 | 8.2K | 1.4K |
| 52 | University of Manitoba | 8 | 547 | 1.5K | 713 |
| 53 | Eunice Kennedy Shriver National Institute of Child Health and Human Development | 40 | 539 | 82 | 315 |
| 54 | University of New Mexico | 7 | 535 | 1.2K | 585 |
| 55 | Cornell University | 10 | 525 | 2.3K | 1.8K |
| 56 | Virginia Tech | 6 | 513 | 2.2K | 922 |
| 57 | Northwestern University | 8 | 493 | 2.4K | 1.6K |
| 58 | University of Illinois at Chicago | 6 | 487 | 2.0K | 934 |
| 59 | Trent University | 2 | 485 | 608 | 89 |
| 60 | Wake Forest University | 8 | 452 | 374 | 276 |
| 61 | Syracuse University | 11 | 451 | 531 | 440 |
| 62 | University of Wisconsin–Milwaukee | 9 | 445 | 462 | 322 |
| 63 | University of North Carolina at Chapel Hill | 5 | 444 | 2.6K | 1.3K |
| 63 | University of Colorado | 5 | 444 | 2.6K | 1.3K |
| 65 | University of Victoria | 3 | 434 | 1.9K | 507 |
| 66 | Leonard M. Miller School of Medicine | 6 | 432 | 1.1K | 592 |
| 67 | University of Connecticut Health Center | 3 | 419 | 874 | 313 |
| 68 | University of North Carolina | 10 | 416 | 1.6K | 1.5K |
| 69 | University at Buffalo | 6 | 413 | 2.1K | 1.0K |
| 70 | Louisiana State University | 7 | 409 | 1.6K | 837 |
| 71 | University of Pennsylvania | 10 | 406 | 2.9K | 2.4K |
| 71 | Johns Hopkins Bayview Medical Center | 10 | 406 | 58 | 77 |
| 73 | University of Calgary | 9 | 394 | 2.1K | 1.5K |
| 73 | University of Kentucky | 10 | 394 | 1.5K | 1.2K |
| 75 | Massachusetts General Hospital | 5 | 389 | 2.4K | 1.4K |
| 76 | Michigan Medicine | 4 | 381 | 1.6K | 799 |
| 77 | Georgetown University | 5 | 380 | 1.1K | 500 |
| 78 | California State University | 2 | 377 | 4.0K | 614 |
| 79 | Arizona State University | 6 | 376 | 2.5K | 1.4K |
| 80 | McMaster University | 6 | 364 | 2.7K | 1.5K |
| 81 | University of Vermont | 7 | 356 | 833 | 639 |
| 82 | University of Missouri | 4 | 349 | 3.4K | 1.4K |
| 83 | Temple University | 4 | 347 | 1.9K | 709 |
| 84 | University of Waterloo | 5 | 344 | 2.4K | 1.3K |
| 85 | New York University | 10 | 338 | 1.3K | 1.3K |
| 86 | Brookings Institution | 1 | 326 | 159 | 19 |
| 87 | Portland State University | 4 | 320 | 620 | 263 |
| 88 | University of Tokyo | 7 | 303 | 4.1K | 2.5K |
| 89 | University of British Columbia | 5 | 291 | 5.1K | 3.1K |
| 90 | Georgia State University | 6 | 287 | 1.0K | 689 |
| 90 | Sheba Medical Center | 3 | 287 | 750 | 311 |
| 92 | Vanderbilt University | 6 | 284 | 1.9K | 1.4K |
| 93 | Indiana University | 5 | 282 | 2.7K | 1.6K |
| 94 | University of Louisville | 9 | 279 | 758 | 784 |
| 95 | University of North Carolina at Charlotte | 4 | 274 | 715 | 279 |
| 96 | Beaumont Hospital, Royal Oak | 1 | 273 | 586 | 145 |
| 97 | University of Illinois at Urbana–Champaign | 2 | 263 | 4.7K | 1.9K |
| 98 | University of California, San Francisco | 1 | 248 | 3.8K | 1.4K |
| 99 | Purdue University | 7 | 247 | 2.8K | 2.3K |
| 100 | Medical University of South Carolina | 3 | 243 | 2.0K | 1.0K |
| 100 | Vancouver Community College | 1 | 243 | 3 | 1 |
| 102 | State University of New York at Albany | 4 | 241 | 344 | 220 |
| 103 | George Washington University | 2 | 237 | 3.1K | 955 |
| 103 | Albert Einstein College of Medicine | 1 | 237 | 2.8K | 1.0K |
| 105 | Concordia University | 2 | 236 | 2.3K | 726 |
| 106 | Laval University | 1 | 232 | 5.2K | 1.5K |
| 106 | Baylor College of Medicine | 5 | 232 | 2.2K | 1.6K |
| 108 | University of California, Berkeley | 3 | 226 | 2.8K | 1.8K |
| 109 | University of Texas at San Antonio | 1 | 224 | 2.5K | 466 |
| 110 | Cleveland State University | 11 | 222 | 122 | 241 |
| 111 | University of Nebraska Medical Center | 6 | 211 | 992 | 781 |
| 112 | University of California, San Diego | 2 | 208 | 4.2K | 2.2K |
| 113 | Free University | 2 | 206 | 926 | 369 |
| 114 | Northern Illinois University | 5 | 203 | 695 | 445 |
| 115 | National Taiwan University | 4 | 199 | 3.0K | 1.7K |
| 116 | New York State Psychiatric Institute | 4 | 192 | 328 | 341 |
| 116 | University of Tennessee | 7 | 192 | 1.9K | 1.9K |
| 118 | University of Colorado Boulder | 1 | 188 | 3.2K | 1.1K |
| 119 | University of New Hampshire | 2 | 179 | 1.6K | 666 |
| 120 | Texas Woman's University | 4 | 178 | 195 | 75 |
| 121 | University of Maine | 4 | 170 | 765 | 594 |
| 122 | University of Connecticut | 4 | 163 | 2.9K | 2.1K |
| 122 | Dalhousie University | 1 | 163 | 5.0K | 1.7K |
| 124 | University of Kansas Medical Center | 5 | 160 | 239 | 267 |
| 124 | Holy Cross College | 1 | 160 | 53 | 10 |
| 126 | Massachusetts Institute of Technology | 4 | 159 | 3.0K | 2.8K |
| 126 | Clemson University | 5 | 159 | 1.3K | 1.1K |
| 128 | University of Rochester | 5 | 157 | 2.0K | 1.9K |
| 129 | University of Liverpool | 3 | 156 | 3.8K | 2.3K |
| 130 | Johns Hopkins School of Medicine | 3 | 151 | 1.7K | 1.3K |
| 131 | Allan Memorial Institute | 5 | 150 | 11 | 12 |
| 132 | Karolinska Institute | 3 | 147 | 3.1K | 2.3K |
| 133 | Cleveland Clinic | 1 | 142 | 3.3K | 1.5K |
| 134 | University of Alberta | 3 | 139 | 5.9K | 3.8K |
| 134 | University of Dundee | 1 | 139 | 3.0K | 1.2K |
| 136 | Nagoya University | 1 | 138 | 4.5K | 1.8K |
| 136 | University of Wisconsin School of Medicine and Public Health | 1 | 138 | 998 | 472 |
| 138 | Cardinal Stritch University | 1 | 137 | 18 | 2 |
| 138 | Rhode Island Hospital | 1 | 137 | 1.1K | 457 |
| 140 | Oakland University | 2 | 136 | 940 | 369 |
| 141 | Freie Universität Berlin | 2 | 134 | 3.1K | 1.7K |
| 141 | University of Notre Dame | 7 | 134 | 1.0K | 1.4K |
| 141 | Michael Reese Hospital | 1 | 134 | 300 | 110 |
| 144 | University of Manchester | 3 | 133 | 5.5K | 3.7K |
| 145 | Monash University | 1 | 129 | 8.0K | 3.5K |
| 145 | Veterans Health Administration | 3 | 129 | 785 | 701 |
| 147 | University of Alabama at Birmingham | 2 | 125 | 3.6K | 2.2K |
| 148 | Tufts University | 2 | 124 | 2.5K | 1.6K |
| 148 | State University of New York at Plattsburgh | 1 | 124 | 140 | 30 |
| 148 | Boonshoft School of Medicine | 2 | 124 | 321 | 170 |
| 151 | University of North Carolina Wilmington | 1 | 122 | 897 | 239 |
| 151 | Memorial Hospital of Rhode Island | 1 | 122 | 117 | 54 |
| 153 | University of Oxford | 3 | 119 | 6.3K | 4.6K |
| 153 | Montefiore Hospital | 1 | 119 | 177 | 62 |
| 155 | Calvin University | 1 | 116 | 260 | 58 |
| 156 | Southern Illinois University Carbondale | 2 | 115 | 2.1K | 1.0K |
| 157 | University of Bordeaux | 1 | 114 | 2.6K | 938 |
| 158 | Memorial University of Newfoundland | 2 | 113 | 2.2K | 1.1K |
| 159 | Stockholm University | 2 | 112 | 3.1K | 1.9K |
| 160 | University College London | 1 | 111 | 8.4K | 4.1K |
| 160 | University of Hawaii | 2 | 111 | 2.0K | 1.3K |
| 162 | Miami University | 4 | 110 | 879 | 814 |
| 162 | Yeshiva University | 2 | 110 | 825 | 617 |
| 162 | New York Medical College | 3 | 110 | 943 | 776 |
| 162 | Scripps College | 4 | 110 | 15 | 15 |
| 166 | Oregon State University | 2 | 108 | 3.2K | 2.1K |
| 167 | Colorado State University | 2 | 107 | 3.5K | 2.3K |
| 168 | University of Jyväskylä | 1 | 106 | 2.4K | 973 |
| 168 | Harvard School of Dental Medicine | 1 | 106 | 409 | 232 |
| 170 | Canadian Institute for Advanced Research | 1 | 104 | 124 | 120 |
| 171 | National Institute of Child Health | 1 | 103 | 73 | 43 |
| 172 | Abilene Christian University | 1 | 102 | 118 | 28 |
| 172 | Metropolitan Hospital Center | 1 | 102 | 259 | 69 |
| 174 | University of Chile | 1 | 101 | 4.2K | 1.6K |
| 175 | University of Massachusetts | 4 | 99 | 2.5K | 2.7K |
| 176 | University of Alabama | 5 | 98 | 1.9K | 2.2K |
| 177 | Princeton University | 5 | 97 | 2.0K | 2.5K |
| 177 | American Heart Association | 2 | 97 | 68 | 67 |
| 177 | Lehigh University | 1 | 97 | 2.1K | 909 |
| 177 | Mayo Clinic | 1 | 97 | 4.5K | 2.4K |
| 181 | University of Milan | 5 | 96 | 2.8K | 3.0K |
| 182 | Florida State University | 6 | 95 | 1.6K | 2.2K |
| 182 | Florida International University | 3 | 95 | 1.7K | 1.4K |
| 184 | Cedars-Sinai Medical Center | 3 | 94 | 57 | 88 |
| 184 | University of Virginia | 4 | 94 | 3.2K | 3.1K |
| 186 | University of Toronto Mississauga | 2 | 93 | 396 | 347 |
| 187 | University of Utah | 3 | 89 | 4.1K | 3.5K |
| 187 | Population Research Institute | 2 | 89 | 12 | 22 |
| 189 | McGill University | 4 | 88 | 4.9K | 4.8K |
| 189 | University of South Florida | 2 | 88 | 4.2K | 2.7K |
| 189 | Old Dominion University | 2 | 88 | 1.5K | 961 |
| 192 | Kansas State University | 3 | 87 | 1.9K | 1.7K |
| 192 | Lincoln University | 1 | 87 | 846 | 425 |
| 192 | Texas Christian University | 1 | 87 | 1.2K | 402 |
| 195 | City College | 1 | 86 | 285 | 118 |
| 196 | Tel Aviv University | 3 | 85 | 4.4K | 3.6K |
| 197 | University of North Texas | 4 | 84 | 1.2K | 1.3K |
| 197 | University of Akron | 2 | 84 | 1.3K | 874 |
| 199 | Virginia Commonwealth University | 2 | 83 | 3.4K | 2.4K |
| 200 | Wistar Institute | 2 | 81 | 299 | 324 |
| 201 | Università Cattolica del Sacro Cuore | 2 | 80 | 1.8K | 1.3K |
| 202 | University of New Orleans | 1 | 79 | 1.2K | 585 |
| 202 | Messiah University | 1 | 79 | 68 | 17 |
| 202 | National Rehabilitation Hospital | 1 | 79 | 67 | 49 |
| 202 | Tulane Medical Center | 1 | 79 | 287 | 148 |
| 206 | University of Leeds | 3 | 78 | 4.2K | 3.6K |
| 206 | Radboud University Nijmegen | 1 | 78 | 4.3K | 2.5K |
| 206 | Cincinnati Children's Hospital Medical Center | 1 | 78 | 1.7K | 1.1K |
| 209 | University of Occupational and Environmental Health Japan | 1 | 77 | 1.1K | 546 |
| 209 | University of Nevada, Las Vegas | 1 | 77 | 1.2K | 495 |
| 211 | University of Padua | 2 | 76 | 5.2K | 3.8K |
| 211 | New York State Department of Mental Hygiene | 2 | 76 | 36 | 29 |
| 213 | University of Missouri–Kansas City | 1 | 75 | 1.8K | 871 |
| 213 | University of Rhode Island | 1 | 75 | 2.4K | 1.3K |
| 213 | Royal Hospital for Neuro-disability | 1 | 75 | 23 | 24 |
| 216 | University of Arizona | 3 | 74 | 4.8K | 4.3K |
| 217 | North Carolina State University | 5 | 73 | 2.5K | 3.3K |
| 218 | University of Wisconsin–Parkside | 3 | 72 | 43 | 81 |
| 219 | Medical College of Wisconsin | 2 | 71 | 2.1K | 1.6K |
| 220 | The Rockefeller University | 1 | 69 | 1.4K | 1.0K |
| 220 | Audie L. Murphy Memorial VA Hospital | 1 | 69 | 8 | 5 |
| 222 | Weizmann Institute of Science | 1 | 67 | 2.0K | 1.4K |
| 222 | University of Sydney | 3 | 67 | 6.0K | 5.5K |
| 222 | Tohoku University | 1 | 67 | 5.1K | 2.9K |
| 225 | Nagoya City University | 1 | 66 | 1.1K | 532 |
| 225 | Henry Ford Hospital | 2 | 66 | 906 | 771 |
| 225 | Simmons University | 1 | 66 | 332 | 140 |
| 228 | Ames Research Center | 1 | 65 | 945 | 681 |
| 228 | Drexel University | 2 | 65 | 2.1K | 1.8K |
| 228 | Umeå University | 3 | 65 | 2.2K | 2.4K |
| 231 | Wright State University | 1 | 64 | 1.9K | 1.0K |
| 232 | Hebrew University of Jerusalem | 2 | 63 | 3.7K | 3.0K |
| 232 | Robert Wood Johnson Medical School | 1 | 63 | 1.3K | 812 |
| 234 | Erasmus University Rotterdam | 1 | 62 | 3.0K | 1.9K |
| 234 | San Diego State University | 4 | 62 | 1.3K | 1.9K |
| 236 | Boston College | 2 | 60 | 1.6K | 1.4K |
| 236 | Vanderbilt University Medical Center | 1 | 60 | 2.6K | 1.7K |
| 236 | Monroe Community Hospital | 1 | 60 | 37 | 31 |
| 239 | NIH Intramural Research Program | 1 | 59 | 327 | 324 |
| 240 | Texas Tech University | 2 | 58 | 2.6K | 2.0K |
| 241 | Université de Montréal | 3 | 57 | 3.7K | 3.9K |
| 241 | St. Luke's-Roosevelt Hospital Center | 1 | 57 | 309 | 239 |
| 243 | Langley Porter Psychiatric Institute | 3 | 56 | 32 | 79 |
| 244 | University of South Carolina | 2 | 55 | 4.0K | 3.4K |
| 245 | Oregon Health & Science University | 2 | 54 | 2.2K | 2.0K |
| 245 | University of Hartford | 1 | 54 | 378 | 178 |
| 247 | University of Arkansas for Medical Sciences | 2 | 53 | 1.8K | 1.6K |
| 248 | Washington State University | 2 | 52 | 3.5K | 3.2K |
| 248 | Nebraska Medical Center | 1 | 52 | 576 | 450 |
| 250 | National Academy of Sciences | 2 | 51 | 779 | 503 |
| 251 | Middle East Technical University | 2 | 50 | 1.7K | 1.4K |
| 251 | Northeastern University | 1 | 50 | 5.0K | 3.2K |
| 253 | University of Indianapolis | 1 | 49 | 161 | 84 |
| 253 | Oregon National Primate Research Center | 1 | 49 | 340 | 323 |
| 255 | Carleton University | 1 | 48 | 3.5K | 2.1K |
| 255 | Youngstown State University | 1 | 48 | 506 | 264 |
| 255 | Glendon College | 1 | 48 | 72 | 34 |
| 258 | Wellesley College | 1 | 47 | 727 | 508 |
| 258 | Kwansei Gakuin University | 1 | 47 | 683 | 336 |
| 258 | Tennessee State University | 1 | 47 | 547 | 302 |
| 258 | Chinese University of Hong Kong | 2 | 47 | 4.5K | 4.0K |
| 262 | Carnegie Mellon University | 1 | 46 | 3.8K | 2.8K |
| 263 | Fordham University | 2 | 44 | 985 | 954 |
| 263 | National Safety Council | 1 | 44 | 15 | 3 |
| 263 | Stanford University Medical Center | 3 | 44 | 794 | 1.2K |
| 266 | Australian National University | 3 | 43 | 3.3K | 4.0K |
| 266 | Oberlin College | 1 | 43 | 502 | 324 |
| 266 | College of William & Mary | 1 | 43 | 477 | 410 |
| 266 | Toronto Western Hospital | 1 | 43 | 692 | 601 |
| 266 | University of Texas Health Science Center at Houston | 1 | 43 | 2.4K | 1.8K |
| 271 | University of Geneva | 1 | 42 | 4.1K | 3.1K |
| 271 | University of Parma | 2 | 42 | 2.0K | 2.1K |
| 273 | Illinois State University | 2 | 41 | 1.1K | 1.1K |
| 274 | Bowling Green State University | 2 | 40 | 1.1K | 1.1K |
| 275 | Czechoslovak Academy of Sciences | 1 | 38 | 956 | 636 |
| 275 | Nihon University | 1 | 38 | 3.0K | 1.8K |
| 277 | University Hospitals of Cleveland | 3 | 37 | 667 | 1.1K |
| 278 | Wright Institute | 1 | 36 | 47 | 49 |
| 279 | University of Massachusetts Amherst | 2 | 35 | 1.7K | 2.0K |
| 279 | Northern Arizona University | 2 | 35 | 927 | 1.1K |
| 279 | Sapienza University of Rome | 1 | 35 | 6.2K | 4.6K |
| 279 | Howard Hughes Medical Institute | 1 | 35 | 1.3K | 1.3K |
| 283 | Uppsala University | 1 | 34 | 6.4K | 5.0K |
| 283 | Kyoto University | 1 | 34 | 7.1K | 5.0K |
| 283 | University of Florence | 1 | 34 | 5.1K | 3.9K |
| 283 | Aichi Medical University | 1 | 34 | 832 | 536 |
| 283 | Baltimore VA Medical Center | 1 | 34 | 44 | 79 |
| 288 | Kentucky State University | 1 | 33 | 82 | 85 |
| 288 | State University of New York Upstate Medical University | 1 | 33 | 1.6K | 1.3K |
| 290 | Clark University | 1 | 32 | 960 | 846 |
| 290 | University of Toledo | 1 | 32 | 2.4K | 1.9K |
| 290 | Hadassah Medical Center | 1 | 32 | 966 | 851 |
| 290 | VCU Medical Center | 1 | 32 | 1.3K | 1.2K |
| 294 | University of North Carolina at Greensboro | 4 | 31 | 564 | 1.4K |
| 294 | McLean Hospital | 2 | 31 | 407 | 635 |
| 296 | University of Cincinnati | 3 | 30 | 3.0K | 4.2K |
| 296 | University of Copenhagen | 2 | 30 | 5.7K | 5.8K |
| 296 | Occidental College | 1 | 30 | 344 | 300 |
| 296 | Dartmouth–Hitchcock Medical Center | 1 | 30 | 821 | 788 |
| 300 | Agency for Healthcare Research and Quality | 2 | 29 | 84 | 139 |
| 301 | Katholieke Universiteit Leuven | 1 | 28 | 7.2K | 5.9K |
| 301 | J. Hillis Miller Health Science Center | 1 | 28 | 173 | 220 |
| 301 | Bristol General Hospital | 1 | 28 | 45 | 34 |
| 301 | Royal Australian College of General Practitioners | 1 | 28 | 18 | 16 |
| 305 | University of Northern Colorado | 1 | 27 | 706 | 566 |
| 305 | University of Texas at El Paso | 1 | 27 | 1.8K | 1.5K |
| 307 | University of Birmingham | 1 | 26 | 7.2K | 5.9K |
| 307 | University of Oklahoma | 2 | 26 | 3.1K | 3.6K |
| 307 | National Institute of Environmental Health Sciences | 1 | 26 | 1.1K | 1.1K |
| 307 | Texas State University | 1 | 26 | 1.8K | 1.4K |
| 307 | Southern Methodist University | 2 | 26 | 1.1K | 1.5K |
| 312 | Thomas Jefferson University | 1 | 25 | 3.1K | 2.7K |
| 313 | University of Texas at Dallas | 1 | 24 | 2.5K | 2.4K |
| 313 | Centers for Medicare and Medicaid Services | 1 | 24 | 56 | 59 |
| 313 | National Defense Medical College | 1 | 24 | 975 | 829 |
| 316 | Ohio University | 2 | 23 | 1.7K | 2.2K |
| 316 | Eastern Washington University | 2 | 23 | 161 | 331 |
| 316 | Alta Bates Summit Medical Center | 1 | 23 | 35 | 57 |
| 316 | Drake University | 1 | 23 | 354 | 316 |
| 320 | Vrije Universiteit Amsterdam | 1 | 22 | 4.8K | 4.5K |
| 321 | George Mason University | 1 | 21 | 3.6K | 3.2K |
| 321 | Albany Medical Center | 2 | 21 | 769 | 1.2K |
| 323 | University of Minnesota Duluth | 1 | 20 | 606 | 684 |
| 323 | Université de Sherbrooke | 1 | 20 | 2.8K | 2.7K |
| 323 | SUNY Downstate Medical Center | 1 | 20 | 1.1K | 1.1K |
| 323 | Woman's Medical College of Pennsylvania | 1 | 20 | 123 | 146 |
| 327 | Yamagata University | 1 | 19 | 1.8K | 1.5K |
| 327 | University of Nebraska–Lincoln | 1 | 19 | 3.3K | 3.3K |
| 327 | Harvard University Health Services | 1 | 19 | 11 | 26 |
| 330 | University of Bern | 2 | 18 | 3.7K | 4.8K |
| 330 | University of Brescia | 1 | 18 | 2.5K | 2.6K |
| 332 | University of Würzburg | 1 | 17 | 3.4K | 3.6K |
| 332 | Saint Louis University | 4 | 17 | 767 | 2.4K |
| 332 | Loyola University Chicago | 1 | 17 | 2.2K | 2.2K |
| 332 | National Eye Institute | 1 | 17 | 413 | 573 |
| 336 | University of Debrecen | 1 | 16 | 2.2K | 2.1K |
| 336 | University of Detroit Mercy | 1 | 16 | 422 | 381 |
| 336 | Karolinska University Hospital | 1 | 16 | 2.4K | 2.6K |
| 336 | Weill Cornell Medicine | 3 | 16 | 2.1K | 3.3K |
| 340 | University of Montana | 1 | 15 | 1.5K | 1.7K |
| 340 | Oklahoma State University | 1 | 15 | 3.6K | 3.7K |
| 342 | University of Vienna | 1 | 14 | 5.6K | 5.4K |
| 342 | RAND Corporation | 1 | 14 | 1.0K | 1.2K |
| 342 | Kyushu University | 1 | 14 | 5.6K | 5.2K |
| 342 | Tokyo Medical and Dental University | 2 | 14 | 1.8K | 2.2K |
| 342 | Boston Medical Center | 2 | 14 | 783 | 1.4K |
| 347 | University of Adelaide | 1 | 13 | 5.6K | 5.9K |
| 347 | University of Puget Sound | 1 | 13 | 287 | 377 |
| 349 | University of Basel | 1 | 12 | 3.7K | 4.2K |
| 349 | Hacettepe University | 1 | 12 | 3.5K | 3.5K |
| 349 | Anschutz Medical Campus | 1 | 12 | 2.0K | 2.3K |
| 349 | University of North Texas Health Science Center | 1 | 12 | 782 | 1.1K |
| 353 | University of Cambridge | 1 | 11 | 9.0K | 9.1K |
| 353 | University of London | 1 | 11 | 7.7K | 7.7K |
| 353 | Naval Submarine Medical Research Laboratory | 1 | 11 | 31 | 38 |
| 353 | Queensway-Carleton Hospital | 1 | 11 | 4 | 7 |
| 353 | California State University, Long Beach | 1 | 11 | 673 | 911 |
| 358 | University of Zagreb | 1 | 10 | 3.8K | 4.0K |
| 358 | Battelle Memorial Institute | 1 | 10 | 431 | 619 |
| 358 | Macdonald Campus | 1 | 10 | 137 | 249 |
| 358 | Institut de recherches cliniques de Montréal (IRCM) | 1 | 10 | 246 | 392 |
| 358 | Denison University | 1 | 10 | 320 | 376 |
| 358 | University of Maryland, Baltimore | 1 | 10 | 900 | 1.3K |
| 358 | National Aeronautics and Space Administration | 1 | 10 | 846 | 1.1K |
| 365 | Hiroshima University | 1 | 9 | 4.0K | 4.2K |
| 365 | University of Zurich | 1 | 9 | 5.7K | 6.5K |
| 365 | Free University of Brussels | 1 | 9 | 855 | 1.4K |
| 365 | Akita University | 1 | 9 | 845 | 953 |
| 365 | Western Kentucky University | 1 | 9 | 870 | 1.2K |
| 365 | Towson University | 1 | 9 | 1.0K | 1.3K |
| 365 | Tel Aviv Sourasky Medical Center | 1 | 9 | 1.0K | 1.3K |
| 372 | University of Portland | 2 | 8 | 115 | 414 |
| 372 | Cancer Research Institute | 1 | 8 | 809 | 1.1K |
| 374 | SRI International | 1 | 7 | 977 | 1.5K |
| 374 | University of Ottawa | 1 | 7 | 6.6K | 7.5K |
| 374 | Ministry of Health | 1 | 7 | 3.3K | 3.5K |
| 374 | University of Brasília | 1 | 7 | 3.4K | 3.4K |
| 378 | University of Pisa | 1 | 6 | 5.2K | 6.1K |
| 378 | Oak Ridge National Laboratory | 1 | 6 | 2.3K | 3.0K |
| 378 | Shinshu University | 1 | 6 | 2.0K | 2.4K |
| 378 | University of Nebraska Omaha | 1 | 6 | 994 | 1.5K |
| 378 | State University of New York at Geneseo | 1 | 6 | 197 | 377 |
| 378 | Toho University | 1 | 6 | 1.3K | 1.6K |
| 384 | Wichita State University | 1 | 4 | 1.2K | 1.9K |
| 384 | Brookhaven National Laboratory | 2 | 4 | 975 | 1.9K |
| 384 | University of Wyoming | 1 | 4 | 2.6K | 3.8K |
| 384 | Marygrove College | 1 | 4 | 10 | 23 |
| 384 | Quincy Medical Center | 1 | 4 | 2 | 8 |
| 384 | Tokyo Metropolitan Geriatric Hospital | 1 | 4 | 225 | 381 |
| 390 | University of Helsinki | 1 | 3 | 6.6K | 8.4K |
| 390 | University of Oslo | 1 | 3 | 6.3K | 8.1K |
| 390 | University of Naples Federico II | 1 | 3 | 4.9K | 6.5K |
| 390 | Vassar College | 1 | 3 | 493 | 879 |
| 394 | West Virginia University | 2 | 2 | 2.9K | 6.3K |
| 394 | Indiana State University | 1 | 2 | 742 | 1.4K |
| 394 | DePaul University | 1 | 2 | 1.4K | 2.3K |
| 394 | Southern Illinois University School of Medicine | 1 | 2 | 765 | 1.3K |
| 394 | Westminster Hospital | 1 | 2 | 148 | 254 |
| 394 | Harcourt Assessment | 1 | 2 | 33 | 61 |
| 400 | Moscow State University | 1 | 1 | 3.8K | 4.9K |
| 400 | UCLA Ronald Reagan Medical Center | 2 | 1 | 657 | 1.7K |
| 400 | Albert Einstein Medical Center | 1 | 1 | 66 | 149 |
| 403 | University of Arkansas at Little Rock | 1 | 0 | 569 | 1.5K |
| 403 | National and Kapodistrian University of Athens | 1 | 0 | 5.2K | 7.7K |
| 403 | East Tennessee State University | 1 | 0 | 1.3K | 2.6K |
| 403 | University of Mississippi | 1 | 0 | 2.1K | 3.8K |
| 403 | University of Wisconsin–Green Bay | 1 | 0 | 220 | 645 |
| 403 | Washington College | 1 | 0 | 70 | 253 |
| 403 | Buffalo State College | 1 | 0 | 296 | 783 |
| 403 | NYU Langone Medical Center | 1 | 0 | 1.7K | 2.8K |
| 403 | Tufts Medical Center | 1 | 0 | 943 | 1.7K |
| 403 | UCSF Medical Center | 1 | 0 | 604 | 1.2K |
| 403 | University of Illinois College of Medicine | 1 | 0 | 981 | 1.9K |
| 403 | Robert Larner College of Medicine | 1 | 0 | 907 | 1.6K |
| 403 | Bayhealth Medical Center | 1 | 0 | 10 | 31 |
| 403 | United States Social Security Administration | 1 | 0 | 46 | 109 |
