Social Security
Apply for Social Security
http://www.ssa.gov

Medicare
Official U.S. Government Site for People with Medicare
http://www.medicare.gov/

CARF
Commission on Accreditation of Rehabilitation Facilities provides accreditation to health & human services providers worldwide. Find an accredited provider.
http://www.carf.org

SAMHSA
Substance Abuse and Mental Health Services Administration
http://www.samhsa.gov