| # | Institution | Articles | Citations | R ARank | R CRank |
|---|
| 1 | University of California, Los Angeles | 221 | 19,365 | 156 | 136 |
| 2 | RAND Corporation | 122 | 12,592 | 4 | 1 |
| 3 | Northwestern University | 48 | 8,395 | 897 | 355 |
| 4 | University of North Carolina at Chapel Hill | 24 | 2,498 | 1.9K | 1.5K |
| 5 | Mayo Clinic | 6 | 2,432 | 6.5K | 1.7K |
| 6 | University of Southern California | 12 | 1,918 | 2.7K | 1.4K |
| 7 | University of California | 12 | 1,859 | 1.8K | 517 |
| 8 | National Institutes of Health | 8 | 1,384 | 5.7K | 4.0K |
| 9 | UNC Lineberger Comprehensive Cancer Center | 3 | 1,114 | 922 | 337 |
| 10 | University of Michigan | 19 | 1,025 | 4.8K | 5.6K |
| 11 | Harbor–UCLA Medical Center | 9 | 900 | 263 | 206 |
| 12 | National Eye Institute | 5 | 829 | 166 | 79 |
| 13 | RTI International | 5 | 782 | 377 | 115 |
| 14 | Centers for Medicare and Medicaid Services | 8 | 775 | 5 | 8 |
| 15 | Kaiser Permanente | 11 | 583 | 518 | 613 |
| 16 | University of California, Davis | 10 | 570 | 3.6K | 3.7K |
| 17 | New York University | 4 | 556 | 6.2K | 3.7K |
| 18 | University of California, San Diego | 8 | 531 | 6.3K | 6.7K |
| 19 | Hospital For Joint Diseases | 1 | 503 | 179 | 53 |
| 20 | Group Health Cooperative | 3 | 484 | 172 | 124 |
| 21 | University of North Carolina | 9 | 371 | 1.9K | 3.0K |
| 22 | University of Utah | 9 | 345 | 2.7K | 3.3K |
| 23 | University of Cincinnati | 7 | 320 | 1.6K | 1.5K |
| 24 | Westat | 4 | 271 | 64 | 69 |
| 25 | Charles R. Drew University of Medicine and Science | 8 | 252 | 22 | 31 |
| 26 | Center for Microbial Oceanography: Research and Education | 3 | 196 | 51 | 43 |
| 27 | University of Texas Health Science Center at Houston | 3 | 140 | 2.1K | 1.8K |
| 28 | Department of Public Health | 2 | 134 | 16.7K | 10.9K |
| 29 | Cancer Prevention Institute of California | 1 | 131 | 198 | 178 |
| 30 | Food and Drug Administration | 5 | 128 | 756 | 1.1K |
| 31 | Center for Devices and Radiological Health | 3 | 117 | 132 | 97 |
| 32 | University of Connecticut | 1 | 72 | 4.8K | 3.4K |
| 33 | University of Kansas | 1 | 44 | 4.4K | 3.6K |
| 34 | California State University, Long Beach | 2 | 39 | 417 | 429 |
| 35 | University of Massachusetts Boston | 1 | 21 | 645 | 623 |
| 36 | National Institute on Aging | 1 | 17 | 1.3K | 2.1K |
| 37 | Gartnavel General Hospital | 1 | 6 | 62 | 138 |
