Medicare DMEPOS Competitive Acquisition Reform Act of 2008 - Amends title XVIII (Medicare) of the Social Security Act to delay generally until after 2011 full implementation of the Medicare competitive acquisition program for the purchase of durable medical equipment (DME), prosthetics, orthotics, and supplies (DMEPOS).
Revises such program, dividing its implementation into two rounds, and specifying covered item updates for 2009-2014.
Prescribes requirements for application of accreditation in implementing quality standards.
Requires suppliers to disclose subcontractors.
Directs the Secretary of Health and Human Services to provide for a competitive acquisition ombudsman within the Centers for Medicare & Medicaid Services to respond to complaints and inquiries by suppliers and individuals.
Specifies topics for the Comptroller General's required study and report to Congress on the impact of competitive acquisition of DME on suppliers, manufacturers, and patients.
Sets forth a special rule for the competitive acquisition program for diabetic testing strips.