MedStar Health is a not-for-profit healthcare organization. It operates more than 120 entities, including ten hospitals in the Baltimore–Washington metropolitan area of the United States. In 2011 it was ranked as the employer with the largest number of local employees in the region. MedStar pays approximately $111 million in payroll tax to the District of Columbia, Maryland and Virginia each year. Additionally, as of 2012, MedStar Health provided almost $312 million in charity care and community benefit on an annual basis. History In 1998, Medlantic Healthcare Group merged with Helix Health, a group of four Baltimore, Maryland hospitals. Helix/Medlantic was renamed MedStar Health on February 1, 1999. On July 1, 2000, Georgetown University Hospital became part of MedStar Health. On February 1, 2008, MedStar Health merged with Montgomery General Hospital, Montgomery County's oldest acute care hospital. Montgomery General was the eighth hospital in MedStar Health's network and the first hospital in Montgomery County to join the healthcare system. In September, 2009, St. Mary's Hospital in Leonardtown, Maryland merged with MedStar Health, becoming the ninth hospital in the system, and the first in Southern Maryland. In December, 2012, MedStar Southern Maryland Hospital Center, located in Clinton, Maryland, merged with MedStar Health, becoming the tenth hospital in the system. General MedStar Health's areas of clinical activity include cardiology, cardiac surgery, oncology services, rehabilitation, neurosciences, orthopedic surgery, women's services, and emergency and trauma services. MedStar has comprehensive services including primary, urgent and subacute care, medical education and research. Other health-related services include assisted living, home health and long-term care. MedStar also operate nursing homes, senior housing, adult day care, rehabilitation and ambulatory centers, as well as maintain MedStar Physician Partners, a comprehensive physician network in Maryland and the Washington, D.C., region. (MedStar does not have any hospitals or institutions in Virginia, but MedStar Visiting Nurses Association does serve some counties there.) MedStar Health is the official medical team of the Baltimore Ravens, the Washington Capitals, the Washington Wizards as well as other professional, college and recreational teams in the area. Kenneth A. Samet is MedStar Health's president and chief executive officer. MedStar Health hospitals MedStar Franklin Square Medical Center MedStar Franklin Square Medical Center is an acute-care teaching hospital, located in the Rosedale area of Northeastern Baltimore County, offering a full range of services for children and adults. Founded in 1898, MedStar Franklin Square's primary service lines include medicine, oncology, surgical services, women