| 01 | Academic medical centers | 41.0 |
| 02 | Cap | 34.3 |
| 03 | ACR | 32.6 |
| 04 | major nonprofit hospital systems | 31.5 |
| 05 | Primary care doctor | 31.5 |
| 06 | ISO certified | 30.0 |
| 07 | Mayo Clinic Executive Health Program | 29.0 |
| 08 | world-class academic medical centers (Executive Health Programs) | 29.0 |
| 09 | Hospital-affiliated outpatient screening centers | 27.8 |
| 10 | nonprofit hospital systems | 27.8 |
| 11 | ACR-designated imaging centers | 25.6 |
| 12 | U.S. Preventive Services Task Force | 25.6 |
| 13 | CAP-accredited, CLIA-certified laboratories | 24.1 |
| 14 | NABL | 23.1 |
| 15 | CLIA-certified | 23.1 |
| 16 | Cleveland Clinic Executive Health Program | 22.3 |
| 17 | leading regional diagnostic hospitals | 22.3 |
| 18 | CAP accreditation | 22.2 |
| 19 | U.S. CDC | 21.0 |
| 20 | ACR accreditation | 20.5 |
| 21 | Joint Commission (JC) | 20.3 |
| 22 | Johns Hopkins Medicine Executive Health | 19.6 |
| 23 | specialized preventive clinics | 19.6 |
| 24 | The Joint Commission accreditation | 19.4 |
| 25 | jointcommission.org | 19.1 |
| 26 | Food and Drug Administration (FDA) | 18.8 |
| 27 | National Committee for Quality Assurance | 18.7 |
| 28 | Cedars-Sinai Medical Center | 18.1 |
| 29 | CARF International | 17.7 |
| 30 | UCLA Health | 17.1 |