MedStar Southern Maryland Hospital Center | 4,782 followers on LinkedIn. Our mission: to serve our patients, those who care for them, and our communities. | MedStar Southern Maryland Hospital Center is a 192 bed full-service acute care facility with approximately 65,000 emergency room visits and approximately 19,000 admissions each year. Among our other specialty services and facilities are a 24-hour emergency department and critical care unit, outpatient radiology, a surgical center, a sleep disorders lab, inpatient and outpatient behavioral health programs, an asthma and allergy center, rehabilitative medicine, and cancer treatment services. MedStar Southern Maryland Hospital Center is a medical center that not only treats illnesses and injuries, but also promotes wellness and community health as well.