Acronym list......:   HHS/OS/IOS
Phone................:   202-690-7000
Postal address.:   200 Independence Ave. S.W. Washington, D.C. 20201
Web site............:   www.hhs.gov

Parent Organizations

• Department of Health & Human Services
• Office of the Secretary

Subordinate Organizations

• Immediate Office
• Office of the Deputy Secretary
• Office of the Chief of Staff
• Office of Intergovernmental & External Affairs
• Office of the Departmental Appeals Board

Last Revised: September 9, 2019