The University of Maryland Medical System (UMMS) was created in 1984 when the state-owned University Hospital became a private, nonprofit organization. It has evolved into a multi-hospital system with academic, community and specialty service missions reaching every part of the state and beyond.

UMMS is a national and regional referral center for trauma, cancer care, neurocare, cardiac care, women's and children's health and physical rehabilitation. It also has one of the world's largest kidney transplant programs, as well as scores of other programs that improve the physical and mental health of thousands of people daily.

The hospitals and health systems that comprise UMMS are:

University of Maryland Medical Center

University of Maryland Medical Center Midtown Campus

UM Rehabilitation and Orthopaedic Institute

UM Baltimore Washington Medical Center

UM Capital Region Health

UM Charles Regional Medical Center

UM St. Joseph Medical Center

UM Upper Chesapeake Health

UM Shore Regional Health

Mt. Washington Pediatric Hospital

UM Community Medical Group