Health-system characteristics
| Institution | Census region | Beds | Teaching hospital | Physician salaried | Owns health-insurance product | US News and World Report 2010 Ranking | Leapfrog group 2010 top hospital ranking |
| Partners Community Healthcare, Inc | New England | 0 | No | Variable | No | NA | NA |
| Brigham and Women's Hospital | New England | 793 | Yes | Yes | No | 11 | ✓ |
| Massachusetts General Hospital | New England | 980 | Yes | Yes | No | 3 | |
| Children's Hospital Boston | New England | 386 | Yes | Yes | No | 2 (Paediatric) | ✓ |
| Geisinger Health System | Atlantic | 820 | Yes | Yes | Yes | High performance in five specialties | |
| Mayo Clinic | Midwest | 2000 | Yes | Yes | Yes | 2 | ✓ |
| Cleveland Clinic | Midwest | 1200 | Yes | Yes | Yes | 4 | |
| Cincinnati Children's Hospital | Midwest | 523 | Yes | Yes | No | 3 (Paediatric) | |
| Virginia Mason Medical Center | Pacific | 336 | Yes | Yes | No | High performance in seven specialties | ✓ |
| Intermountain Healthcare | West | 2441 | Yes | Mixed | Yes | High performance in five specialties |