Saint Alphonsus Health System is a four-hospital regional, faith-based Catholic ministry with over 4,300 associates and a 950+ medical staff which serve 700,000 people in two states. Saint Alphonsus Health System is anchored by the only Level II Trauma Center in the region, Saint Alphonsus Regional Medical Center, providing the most experienced care to the most critically ill patients. Centers of Excellence include: Cardiovascular, Neuroscience, Oncology, Orthopedics, Trauma & Emergency and Women's & Children's.

With a promise to keep care close to home for patients, Saint Alphonsus Health System is comprised of Saint Alphonsus Regional Medical Center, Boise; Saint Alphonsus Medical Center, Nampa; Saint Alphonsus Medical Center, Ontario; Saint Alphonsus Medical Center, Baker City; and Saint Alphonsus Medical Group. Additionally, Saint Alphonsus operates two stand alone emergency departments, one in Eagle, ID and one in Nampa, ID.