Medicare Preventive Services Coverage Act of 2004 - Amends part B (Supplementary Medical Insurance Benefits for Aged and Disabled) of title XVIII (Medicare) of the Social Security Act to require the part B program to provide appropriate preventive benefits.
Amends part E (Miscellaneous), 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.