| Assist-Flathead Valley | Related tax-exempt org | Wellness resource provider | MT | 462669324 |
| Billincs Clinic Employee Benefit Trust | Related tax-exempt org | Employee benefits | MT | 810391600 |
| Billings Clinic | Related tax-exempt org | Hospital | MT | 810231784 |
| Kalispell Regional Healthcare Foundation | Related tax-exempt org | Supporting organization | MT | 311703013 |
| Kalispell Regional Medical Center | Related tax-exempt org | Acute hospital care | MT | 237293874 |
| Kalispell Regional Medical Center Volunteers | Related tax-exempt org | Supporting organization | MT | 273866474 |
| Liberty County Hospital and Nursing Home INC | Related tax-exempt org | Provide acute hospital care | MT | 810515463 |
| Logan Health | Related tax-exempt org | Support subsidiary health organizations | MT | 810406485 |
| Logan Health - Conrad | Related tax-exempt org | Provide acute hospital care | MT | 810232406 |
| Logan Health - CUT Bank | Related tax-exempt org | Provide acute hospital care | MT | 810530457 |
| Logan Health - Shelby | Related tax-exempt org | Provide acute hospital care | MT | 862327525 |
| Logan Health - Whitefish | Related tax-exempt org | Provide acute hospital care | MT | 810247969 |
| Logan Health Assisted Living - Shelby | Related tax-exempt org | Retirement & assisted living | MT | 862394240 |
| Logan Health Care Center - Shelby | Related tax-exempt org | Long-term care & skilled nursing | MT | 862346458 |
| Logan Health Emergency Medical Services | Related tax-exempt org | Emergency services | MT | 880538346 |
| Montana Pediatrics | Related tax-exempt org | Ambulatory care | MT | 854133807 |
| MTWY Health INC | Related tax-exempt org | Support | MT | 932584380 |
| North Valley Hospital Foundation | Related tax-exempt org | Supporting organization | MT | 810526541 |
| Northwest Horizons INC | Related tax-exempt org | Long-term ambulatory care | MT | 810420653 |
| Stillwater Hospital Association | Related tax-exempt org | Hospital | MT | 810286525 |
| Summit Medical Fitness Center | Related tax-exempt org | Community health & wellness center | MT | 203752312 |
| Townsend Health Systems INC | Related tax-exempt org | Healthcare | MT | 810398400 |
| Billings Clinic Innovation Fertility | Related partnership | Fertility clinic | NY | — |