| The University of Alabama at Birmingham | Birmingham | Alabama | 35233 | - |
| Stanford Hospital & Clinics | Stanford | California | 64305-2200 | - |
| COR Healthcare | Torrance | California | 90505- 5100 | - |
| Childrens Hospital Colorado | Aurora | Colorado | 80045 | - |
| Hartford Hosptial | Hartford | Connecticut | 06106 | - |
| Childrens National Medical Center | Washington D.C. | District of Columbia | 20010 | - |
| Heart Rhythm Solutions | Hollywood | Florida | 33021 | - |
| Cardiovascular Institute of Northwest Florida | Panama City | Florida | 32405 | - |
| Heart & Vascular Institute of Florida | Safety Harbor | Florida | 34695 | - |
| Intercoastal Medical Group | Sarasota | Florida | 34233 | - |
| University of South Florida Health (USF) | Tampa | Florida | 33612 | - |
| WellStar Research Institute | Marietta | Georgia | 30060 | - |
| Deaconess Specialty Physicians | Newburgh | Indiana | 47630 | - |
| Iowa Heart Center (West Des Moines IA) | West Des Moines | Iowa | 50266-8209 | - |
| University of Kansas Medical Center Research Institute | Kansas City | Kansas | 66160-8500 | - |
| Saint Elizabeth Healthcare | Edgewood | Kentucky | 41017 | - |
| Norton Heart and Vascular Institute | Louisville | Kentucky | 40205 | - |
| Sparrow Clinical Research Institute | Lansing | Michigan | 48912 | - |
| Michigan Heart | Ypsilanti | Michigan | 48197 | - |
| Metropolitan Cardiology Consultants | Coon Rapids | Minnesota | 55433-4568 | - |
| M Health Fairview University of Minnesota Medical Center - East Bank | Minneapolis | Minnesota | 55455 | - |
| Minneapolis Heart Institute Foundation | Minneapolis | Minnesota | 55407 | - |
| North Memorial Health Heart & Vascular Center | Robbinsdale | Minnesota | 55422-4391 | - |
| Mayo Clinic (Rochester MN) | Rochester | Minnesota | 55905 | - |
| University Hospital (Columbia MO) | Columbia | Missouri | 65212 | - |
| Saint Lukes Health System | Kansas City | Missouri | 64111 | - |
| Washington University School of Medicine | St Louis | Missouri | 63110 | - |
| Nebraska Medicine | Omaha | Nebraska | 68198-5151 | - |
| Virtua Health | Marlton | New Jersey | 08053 | - |
| Presbyterian Heart Group | Albuquerque | New Mexico | 87106 | - |
| Northwell Health South Shore University Hospital | Bay Shore | New York | 11706 | - |
| Northwell Health Huntington Hospital | Huntington | New York | 11743-2787 | - |
| Long Island Jewish Medical Center | New York | New York | 11040 | - |
| Northwell Health North Shore University Hospital | New York | New York | 10075 | - |
| Northwell Health Staten Island University Hospital | Staten Island | New York | 10305-3400 | - |
| Duke University Medical Center (DUMC) | Durham | North Carolina | 27705-4699 | - |
| WakeMed Health & Hospitals | Raleigh | North Carolina | 27610 | - |
| The Christ Hospital Health Network CRD | Cincinnati | Ohio | 45219-2906 | - |
| Cleveland Clinic Foundation | Cleveland | Ohio | 44195 | - |
| The Ohio State University Wexner Medical Center | Columbus | Ohio | 43210-1252 | - |
| Lehigh Valley Health Network | Allentown | Pennsylvania | 18103 | - |
| Geisinger Medical Center | Danville | Pennsylvania | 17822-9800 | - |
| The Childrens Hospital of Philadelphia CHOP | Philadelphia | Pennsylvania | 19104 | - |
| Geisinger Wyoming Valley Medical Center | Wilkes-Barre | Pennsylvania | 18711 | - |
| Saint Thomas Research Institute | Nashville | Tennessee | 37205 | - |
| Vanderbilt University Medical Center | Nashville | Tennessee | 37232 | - |
| Texas Cardiac Arrhythmia Research Foundation | Austin | Texas | 78705 | - |
| Consultants in Cardiology (Fort Worth TX) | Fort Worth | Texas | 76104 | - |
| Heart Center of North Texas | Fort Worth | Texas | 76104 | - |
| University of Virginia Medical Center | Charlottesville | Virginia | 22908 | - |
| Inova Fairfax Hospital | Fairfax | Virginia | 22031-4867 | - |
| Aurora Cardiovascular Services | Milwaukee | Wisconsin | 53215 | - |