MedStar Washington Hospital Center is a not-for-profit, 912-bed, teaching and research hospital in the nation's capital, and is a major referral center for treating the region's most complex cases. Its cardiology program is highly acclaimed, and its cardiac surgery program has consistently earned the highest national rating–three stars–from the Society of Thoracic Surgeons. MedStar Washington operates the region's first Comprehensive Stroke Center and the District's only Cardiac Ventricular Assist Device program, both certified by The Joint Commission. The hospital is also home to MedSTAR, a nationally verified level I trauma center with a state-of-the-art fleet of helicopters and ambulances, and also operates the region's only adult Burn Center.