Castlight Compares Health-Care Costs

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May 21 (Bloomberg) -- Peter Isaacson, chief marketing officer of Castlight Health Inc., talks about the company's site that allows users to compare the cost of health care. Castlight compiles claims data from employers and insurers, then publishes that information on a website for its customers, letting them see how much doctors, labs and hospitals charge for their services, as well as their quality ratings. Isaacson spoke in San Francisco on May 15. (Source: Bloomberg)