Family Caregiver Security Act of 2004 - Amends title XVIII (Medicare) of the Social Security Act to provide for the use of qualified family caregivers in the provision of home health aide services under Medicare.
Amends the Family and Medical Leave Act of 1993 to: (1) include nurse practitioners as health care providers; (2) extend benefits to domestic or civil partners; and (3) extend from 12 to 24 workweeks the period of family or medical leave for spouses employed by the same employer.