| Institution | Active Membership Count |
| Brown University Health | 1 |
| Children’s Healthcare of Atlanta | 1 |
| Corewell Health | 1 |
| Florida Atlantic University | 1 |
| George Washington University | 1 |
| Nova Southeastern University | 1 |
| Rowan University | 1 |
| Rutgers University | 1 |
| StataCorp, LLC | 1 |
| University of Chicago | 1 |
| University of Iowa | 1 |
| University of Miami | 1 |
| University of Virginia | 1 |
| University of Washington | 1 |
| Virginia Commonwealth University | 1 |
| Massachusetts General Hospital | 2 |
| Roswell Park Comprehensive Cancer Center | 2 |
| Thomas Jefferson University | 2 |
| University of Delaware | 2 |
| University of North Carolina | 2 |
| University of Kansas | 3 |
| City of Hope | 4 |
| Oregon Health & Science University | 4 |
| Baylor College of Medicine | 5 |
| Medical College of Wisconsin | 5 |
| St. Jude Children’s Research Hospital | 5 |
| Emory University | 6 |
| Johns Hopkins University | 6 |
| VA.GOV | 6 |
| Independent Statistician | 7 |
| University of Kentucky | 7 |
| Virginia Tech | 7 |
| Children’s Hospital of Orange County | 8 |
| University of Minnesota | 8 |
| Vanderbilt University | 8 |
| Indiana University | 9 |
| University of California | 13 |
| Washington University | 14 |
| Northwestern University | 19 |
| Duke University | 21 |
| Stanford University | 21 |
| University of Michigan | 28 |
| University of Colorado | 34 |
| Mayo Clinic | 39 |