MedStar Washington Hospital Center is again the most socially responsible hospital in Washington, D.C. and is among the best in the nation, according to the Lown Institute, an independent think tank. It is ranked #1 in D.C., and is one of 154 hospitals to earn Honor Roll status with “A” grades in all top categories: Social Responsibility, Equity, Value, and Outcomes — key performance metrics that contribute to the overall rating.