| CHI St. Luke's Health Memorial Lufkin | Angelina |
| Bellville Medical Center | Austin |
| Ascension Seton Smithville | Bastrop |
| Ascension Seton Bastrop | Bastrop |
| CHRISTUS Spohn Hospital Beeville | BEE |
| Baylor Scott & White Medical Center - Temple | Bell |
| Baylor Scott & White Continuing Care Hospital | Bell |
| Adventhealth Central Texas | Bell |
| CHRISTUS Santa Rosa Hospital - Medical Center | Bexar |
| CHRISTUS Children's | Bexar |
| Clarity Child Guidance Center | Bexar |
| CHRISTUS St. Michael Health System | Bowie |
| CHRISTUS St. Michael Rehabilitation Hospital | Bowie |
| CHI St. Luke's Health Brazosport | BRAZORIA |
| Baylor Scott & White Medical Center - College Station | Brazos |
| CHI St. Joseph Health Regional Hospital | Brazos |
| CHI St. Joseph Health College Station Hospital | Brazos |
| Hendrick Medical Center | Brown |
| CHI St. Joseph Health Burleson Hospital | BURLESON |
| Baylor Scott & White Medical Center-Marble Falls | Burnet |
| Ascension Seton Highland Lakes | BURNET |
| Ascension Seton Edgar B. Davis | CALDWELL |
| CHRISTUS Mother Frances Hospital - Jacksonville | Cherokee |
| Children's Health | Collin |
| Texas Health Seay Behavioral Health Center Plano-See Texas Health Presbyterian Hospital Plano | Collin |
| Methodist Richardson Medical Center | Collin |
| Baylor Scott & White Medical Center - McKinney | Collin |
| Baylor Scott & White Medical Center - Plano | Collin |
| Texas Health Frisco | Collin |
| Texas Health Presbyterian Hospital Allen | Collin |
| Texas Health Presbyterian Hospital Plano | Collin |
| Baylor Scott & White Medical Center - Centennial | Collin |
| Columbus Community Hospital | Colorado |
| CHRISTUS Santa Rosa Hospital - New Braunfels | Comal |
| Comanche County Medical Center Company | Comanche |
| North Texas Medical Center | Cook |
| Crosbyton Clinic Hospital | Crosby |
| Texas Scottish Rite Hospital for Children | Dallas |
| Baylor Scott & White Medical Center-Irving | Dallas |
| Baylor University Medical Center | Dallas |
| Children's Health (Children's Medical Center of Dallas) | Dallas |
| Methodist Charlton Medical Center | Dallas |
| Methodist Dallas Medical Center | Dallas |
| Children's Health (Our Children's House) | Dallas |
| Texas Health Presbyterian Hospital Dallas | Dallas |
| Texas Health Presbyterian Hospital Denton | Denton |
| Dimmit Regional Hospital | Dimmit |
| ContinueCare Hospital at Medical Center Odessa | ECTOR |
| El Paso Children's Hospital | EL PASO |
| Baylor Scott & White Medical Center-Waxahachie | Ellis |
| Methodist Midlothian Medical Center | Ellis |
| Texas Health Harris Methodist Hospital Stephenville | Erath |
| Sunland Medical Foundation dba Trinity Regional Hospital Sachse | Dallas |
| St. Mark's Medical Center | Fayette |
| Houston Methodist Sugar Land Hospital | Fort Bend |
| Memorial Hermann Sugar Land | Fort Bend |
| St. Luke's Sugar Land Hospital | Fort Bend |
| Devereux Texas Treatment Network | Galveston |
| Shriners Hospitals for Children - Texas | Galveston |
| Pampa Regional Medical Center | Gray |
| CHI St. Joseph Health Grimes Hospital | Grimes |
| Guadalupe Regional Medical Center | Guadalupe |
| CHI St Luke's Baylor College of Medicine Medical Center | Harris |
| Intracare Hospital North | Harris |
| Memorial Hermann Memorial City Medical Center | Harris |
| Memorial Hermann Health System | Harris |
| Greater Heights | Harris |
| Memorial Hermann Northeast | Harris |
| St. Luke's Hospital At The Vintage | Harris |
| Texas Children's Hospital | Harris |
| The Menninger Clinic | Harris |
| TIRR Memorial Hermann | Harris |
| Houston Methodist West Hospital | Harris |
| Memorial Hermann Katy Hospital | Harris |
| Memorial Hermann Southeast | Harris |
| Memorial Hermann Hospital Southwest | Harris |
| Houston Methodist Hospital | Harris |
| Houston Methodist Baytown Hospital | Harris |
| Houston Methodist Continuing Care Hospital | Harris |
| Houston Methodist Clear Lake Hospital | Harris |
| Houston Methodist Willowbrook Hospital | Harris |
| CHRISTUS Good Shepherd Medical Center | Harrison; Gregg |
| CHRISTUS San Marcos | Hays |
| Baylor Scott & White Medical Center-Buda | Hays |
| Ascension Seton Hays | Hays |
| Knapp Medical Center | Hidalgo |
| Mission Regional Medical Center | Hidalgo |
| Methodist Hospital DBA Covenant Hospital Levelland | Hockley |
| Christus Jasper Memorial Hospital | Jasper |
| Christus Hospital of Southeast Texas | Jefferson |
| Baptist Hospitals of Southeast Texas | Jefferson |
| CHRISTUS SPOHN HOSPITAL Alice | JIM WELLS |
| Texas Health Harris Methodist Hospital Cleburne | Johnson |
| Texas Health Hospital Mansfield | Johnson |
| Texas Health Presbyterian Hospital Kaufman | Kaufman |
| Peterson Health | Kerr |
| CHRISTUS Spohn Hospital Kleberg | KLEBERG |
| AdventHealth Rollins Brook | Lampasas |
| Yoakum Community Hospital | Lavaca |
| Mid Coast Medical Center - Central | Llano |
| Covenant Children's Hospital | Lubbock |
| Covenant Medical Center | Lubbock |
| Grace Surgical Hospital | Lubbock |
| Sunrise Canyon Hospital | Lubbock |
| CHI St. Joseph Health Madison Hospital | MADISON |
| Palacios Community Medical Center | Matagorda |
| Heart of Texas Healthcare System | McCulloch |
| Baylor Scott & White Medical Center-Hillcrest | McLennan |
| Ascension Providence | McLennan |
| St. Luke's Woodlands Hospital | Montgomery |
| Houston Methodist The Woodlands Hospital | Montgomery |
| Memorial Hermann The Woodlands Medical Center | Montgomery |
| Christus Spohn Hospital Shoreline Corpus Christi | Nueces |
| Driscoll Children's Hospital | Nueces |
| Parmer Medical Center | Parmer |
| CHI St. Luke's Health Memorial Livingston | Polk |
| Baylor Scott & White Medical Center - Lake Pointe | Rockwall |
| North Runnels Hospital District | Runnels |
| CHI St. Luke's Health Memorial San Augustine | San Augustine |
| CHRISTUS Mother Frances Hospital - Tyler | Smith |
| Tyler ContinueCare Hospital at Mother Frances | Smith |
| Swisher Memorial Hospital | Swisher |
| Baylor Scott & White All Saints Medical Center-Fort Worth | Tarrant |
| Baylor Scott & White Medical Center-Grapevine | Tarrant |
| Cook Children's Medical Center | Tarrant |
| Methodist Mansfield Medical Center | Tarrant |
| Texas Health Arlington Memorial Hospital | Tarrant |
| Texas Health Harris Methodist Hospital Alliance | Tarrant |
| Methodist Southlake Medical Center | Tarrant |
| Texas Health Harris Methodist Hospital Azle | Tarrant |
| Texas Health Harris Methodist Hospital Fort Worth | Tarrant |
| Texas Health Harris Methodist Hospital Hurst-Euless-Bedford | Tarrant |
| Texas Health Springwood Behavioral Health Hospital | Tarrant |
| Texas Health Harris Methodist Hospital Southwest Fort Worth | Tarrant |
| Texas Health Huguley Hospital | Tarrant |
| Texas Health Specialty Hospital | Tarrant |
| Hendrick Medical Center | Taylor |
| ContinueCARE Hospital at Hendrick Medical Center | TAYLOR |
| Shannon Medical Center | TOM GREEN |
| Baylor Scott & White Medical Center-Austin | Travis |
| Dell Seton Medical Center at The University of Texas | Travis |
| St. David's Healthcare Partnership, LP LLP | Travis, Williamson |
| St David's Healthcare Partnership | Travis |
| St Davids Healthcare System | Travis |
| Dell Children's Medical Center | Travis |
| Baylor Scott & White Medical Center-Pflugerville | Travis |
| Ascension Seton Medical Center Austin | Travis |
| Ascension Seton Northwest | Travis |
| Ascension Seton Shoal Creek | Travis |
| Ascension Seton Southwest | Travis |
| South Austin Medical Center | Travis |
| Huntsville Community Hospital, Inc dba Huntsville Memorial Hospital | Walker |
| Baylor Scott & White Medical Center-Brenham | Washington |
| El Campo Memorial Hospital | Wharton |
| United Regional Health Care System | Wichita |
| Baylor Medical Center-Round Rock | Williamson |
| Ascension Seton Williamson | Williamson |
| Baylor Scott & White Medical Center-Taylor | Williamson |
| CHRISTUS Mother Frances Hospital - Winnsboro | Wood |
