Contact UsPhone: 202-364-7602 Mailing AddressSibley Memorial Hospital If you are sending a check for membership or any classes or events, please make checks payable to Sibley Memorial Hospital and mail to our address above. The Sibley Senior Association office recently moved back to the first floor of the Renaissance Building. The office is staffed between 9 a.m. and noon and 1 p.m. and 4 p.m. for photo IDs. |