The variance in cost for medical procedures, including imaging, between providers around the country is becoming more widely known to the public, according to a recent story by NPR. And now, thanks to a law passed this month in Massachusetts, it's mandatory for insurance companies to make their prices public.

The article, linked below, explores the popularity of aggregator websites like Price Check by ClearHealthCosts.com and the power of choice these sites are giving patients by providing actual costs for procedures by local providers, as well as the impact Massachusett's new law will have on the public and on physicians.