Union Memorial Hospital opened its doors in April 1964 as a 66-bed, general acute care facility. It was a not-for-profit, county-owned hospital. In 1978, after several additions of beds and services, the name was changed to Union Medical Center. On December 1, 1987, Union Medical Center and Warner Brown Hospital merged to form the Medical Center of South Arkansas.
As a for-profit, acute care hospital with recuperative care and physical rehabilitation, Medical Center of South Arkansas serves a population of 103,000 in South Arkansas and North Louisiana. It is the thirteenth largest hospital in Arkansas, holds a three-year JCAHO accreditation, and employs approximately 700 people.
MCSA is a 166 bed acute care hospital with extensive services available. MCSA serves South Arkansas and North Louisiana. They hold a three-year JCAHO accreditation, and employ approximately 700 people.