October 9, 2014 | Two years after passage of a Massachusetts law requiring private health insurers to publicly display the prices for healthcare services they negotiate with care centers, all of the state's major insurers have complied. Massachusetts is the first state in the nation to mandate this kind of price transparency, which is intended to help drive down the costs of healthcare. However, NPR health correspondent Martha Bebinger reports that there are limits to the early implementations of insurers' tools for navigating prices. CommonHealth