Administers the social security retirement, disability and survivors benefit programs. We are also responsible for determining entitlement to Medicare and eligibility for Supplemental Security Income (SSI) benefits. SSI is a benefit program for the blind, disabled and those ages 65 or older and who have little or no income and resources. For more information, please call: Culpeper Office: 877-531-4694 National Office: (800) 772-1213 Clients may now apply online for certain benefits, see if they qualify, estimate future benefits, change address and/or phone number. Please see web site for more information.