Saint Mary's Regional Medical Center is a hospital at 93 Campus Avenue in Lewiston, Maine adjacent to Bates College. It is part of a complex of care facilities now operated by Covenant Health Systems, a Roman Catholic non-profit organization based in Massachusetts. The hospital has 233 beds. It was founded in 1888 by the Grey Nuns, and has been a major provided of emergency health services in the Lewiston-Auburn area since.