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. Join our Sibley Nursing Team as a Contract ICU RN! A new, ultramodern intensive care unit (ICU) opened at Sibley Memorial Hospital on Oct. 4, 2023, on the second floor of the main patient tower.