Sibley Memorial Hospital in Washington, D.C. was ranked among the top hospitals - fourth in the Washington, D.C. metropolitan area by U.S. News & World Report in 2024. One Organization. Countless Opportunities. With its 318 beds, this non-profit, full-service acute care hospital offers medical, surgical, intensive care, obstetric, oncology, orthopedic, skilled nursing inpatient services, and a 24-hour Emergency Department.