"The OIG concluded that CVS Caremark overcharged the Carrier and the Federal Employees Health Benefits Program by $615M ... That is a blunt reminder that a contract labeled 'transparent' does not necessarily yield transparent results. It also confirms something plan sponsors in the commercial market should already understand: the real fight is not over labels. It is over definitions, controls, data access and the PBM's ability to decide what counts as its cost and what value must be shared with the plan."  MORE >>