| Medical City Lewisville | Lewisville, TX | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |
| Medical City Mental Health and Wellness Center | Fort Worth, TX | Psychiatric | Proprietary | Not rated |
| Medical City Mental Health and Wellness Center | Frisco, TX | Psychiatric | Proprietary | Not rated |
| Medical City North Hills | North Richland Hills, TX | Acute Care Hospitals | Proprietary | 2 stars |
| Medical City Plano | Plano, TX | Acute Care Hospitals | Proprietary | 3 stars |
| Medical City Weatherford | Weatherford, TX | Acute Care Hospitals | Proprietary | 2 stars |
| Medina Regional Hospital | Hondo, TX | Critical Access Hospitals | Government - Hospital District or Authority | Not rated |
| Memorial Hermann - Texas Medical Center | Houston, TX | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| Memorial Hermann Hospital System | Houston, TX | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |
| Memorial Hermann Houston Physicians Hospital | Webster, TX | Acute Care Hospitals | Physician | Not rated |
| Memorial Hermann Katy Hospital | Katy, TX | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |
| Memorial Hermann Memorial City Hospital | Houston, TX | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| Memorial Hermann Northeast Hospital | Humble, TX | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |
| Memorial Hermann Sugar Land Hospital | Sugar Land, TX | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| Memorial Hermann Surgical Hospital Kingwood | Kingwood, TX | Acute Care Hospitals | Proprietary | Not rated |
| Memorial Hospital | Gonzales, TX | Acute Care Hospitals | Government - Hospital District or Authority | Not rated |
| Memorial Hospital | Seminole, TX | Critical Access Hospitals | Government - Hospital District or Authority | Not rated |
| Memorial Hospital | Dumas, TX | Critical Access Hospitals | Government - Hospital District or Authority | Not rated |
| Memorial Medical Center | Port Lavaca, TX | Critical Access Hospitals | Government - Local | 4 stars |
| Mesa Springs | Fort Worth, TX | Psychiatric | Proprietary | Not rated |
| Methodist Celina Medical Center | Celina, TX | Acute Care Hospitals | Voluntary non-profit - Private | Not rated |
| Methodist Charlton Medical Center | Dallas, TX | Acute Care Hospitals | Voluntary non-profit - Private | 3 stars |
| Methodist Dallas Medical Center | Dallas, TX | Acute Care Hospitals | Voluntary non-profit - Other | 3 stars |
| Methodist Hospital | San Antonio, TX | Acute Care Hospitals | Proprietary | 4 stars |
| Methodist Hospital Stone Oak | San Antonio, TX | Acute Care Hospitals | Proprietary | 4 stars |
| Methodist Hospital Atascosa | Jourdanton, TX | Acute Care Hospitals | Proprietary | 3 stars |
| Methodist Hospital for Surgery | Addison, TX | Acute Care Hospitals | Proprietary | 4 stars |
| Methodist Mansfield Medical Center | Mansfield, TX | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| Methodist McKinney Hospital | McKinney, TX | Acute Care Hospitals | Physician | Not rated |
| Methodist Midlothian Medical Center | Midlothian, TX | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| Methodist Richardson Medical Center | Richardson, TX | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| Methodist Southlake Medical Center | Southlake, TX | Acute Care Hospitals | Proprietary | Not rated |
| Mid Coast Medical Center - Central | Llano, TX | Critical Access Hospitals | Physician | Not rated |
| Mid Coast Medical Center-Trinity | Trinity, TX | Acute Care Hospitals | Voluntary non-profit - Other | Not rated |
| Midland Memorial Hospital | Midland, TX | Acute Care Hospitals | Government - Hospital District or Authority | 1 star |
| Millwood Hospital | Arlington, TX | Psychiatric | Proprietary | Not rated |
| Mission Regional Medical Center | Mission, TX | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| Mitchell County Hospital District | Colorado City, TX | Critical Access Hospitals | Government - Hospital District or Authority | Not rated |
| Muenster Memorial Hospital | Muenster, TX | Critical Access Hospitals | Government - Hospital District or Authority | Not rated |
| Muleshoe Area Medical Center | Muleshoe, TX | Critical Access Hospitals | Proprietary | Not rated |
| Nacogdoches Medical Center | Nacogdoches, TX | Acute Care Hospitals | Voluntary non-profit - Other | 3 stars |
| Nacogdoches Memorial Hospital | Nacogdoches, TX | Acute Care Hospitals | Proprietary | 2 stars |
| Navarro Regional Hospital | Corsicana, TX | Acute Care Hospitals | Government - Hospital District or Authority | 2 stars |
| Nexus Childrens Hospital Dallas | Dallas, TX | Childrens | Proprietary | Not rated |
| Nocona General Hospital | Nocona, TX | Acute Care Hospitals | Government - Hospital District or Authority | 1 star |
| North Austin Medical Center | Austin, TX | Acute Care Hospitals | Proprietary | 3 stars |
| North Central Surgical Center LLP | Dallas, TX | Acute Care Hospitals | Voluntary non-profit - Other | Not rated |
| North Runnels Hospital | Winters, TX | Critical Access Hospitals | Government - Hospital District or Authority | Not rated |
| North Texas Medical Center | Gainesville, TX | Acute Care Hospitals | Voluntary non-profit - Private | 4 stars |
| North Texas State Hospital | Wichita Falls, TX | Psychiatric | Government - State | Not rated |