Which hospital is a non-profit, MedStar Washington Hospital Center or Sibley Memorial Hospital? 
MedStar Washington Hospital Center: MedStar Washington Hospital Center is the largest private hospital in Washington, D.C. A member of MedStar Health, the not-for-profit Hospital Center is licensed for 926 beds. Sibley Memorial Hospital: Sibley Memorial Hospital is a non-profit hospital located in The Palisades neighborhood of Washington D.C. It is fully accredited by the Joint Commission on Accreditation of Healthcare Organizations, and is licensed by the District of Columbia Department of Health and Human Services.
i don't know