The University of Maryland Medical System (UMMS) is a private, not-for-profit corporation founded in 1984 and based in Baltimore, Maryland. As of 2023, it owns and operates 11 hospitals in Maryland, 4 free-standing emergency rooms and over 150 care locations, including a network of urgent care centers. The System has more than 2,400 licensed beds, 100,000 annual admissions and gross patient revenues of $4.86 billion annually. University of Maryland Medical System medical staff work with University of Maryland School of Medicine specialists to provide primary and specialty care across the state.