Medicare Preventive Services Coverage Act of 2004 - Amends part E (Miscellaneous) of title XVIII (Medicare) of the Social Security Act, as amended by the Medicare Prescription Drug Improvement and Modernization Act of 2003, to provide for additional preventive services (including mental health services) under Medicare.
Eliminates coinsurance in outpatient department (OPD) hospital settings and application of deductible with respect to additional preventive services.