- Arrowhead Behavioral Health
- Arrowhead Regional Medical Center
- Arroyo Grande Community Hospital
- Artesia General Hospital
- Artesian Valley Health System
- Arthur M Blank Hospital
- Asante Ashland Community Hospital
- Asante Rogue Regional Medical Center
- Asante Three Rivers Medical Center
- Ascension Alexian Brothers
- Ascension Alexian Brothers Behavioral Health Hospital
- Ascension All Saints at Wisconsin Avenue
- Ascension All Saints Hospital - Spring Street Campus
- Ascension Borgess Allegan Hospital
- Ascension Borgess Hospital
- Ascension Borgess-Lee Hospital
- Ascension Borgess-Pipp Hospital
- Ascension Calumet Hospital
- Ascension Columbia St Marys Hospital Milwaukee
- Ascension Columbia St Marys Hospital Ozaukee
- Ascension Columbia St Marys Womens Medical Center
- Ascension NE Wisconsin - Mercy Campus
- Ascension NE Wisconsin - St Elizabeth Campus
- Ascension Providence
- Ascension Providence DePaul Center
- Ascension Sacred Heart Hospital Bay
- Ascension Sacred Heart Hospital on the Emerald Coast
- Ascension Sacred Heart Hospital on the Gulf
- Ascension Sacred Heart Hospital Pensacola
- Ascension Sacred Heart Rehabilitation Hospital