Two months after HHS issued guidance directing health insurance exchanges to publish more transparent data on provider networks and formularies, state marketplaces are starting to work out the kinks in computer systems meant to help customers understand their plan choices. D.C. Health Link will debut its new provider directory in a soft launch next week, exchange Director Mila Kofman said Wednesday (March 18) at a conference hosted by the Robert Wood Johnson Foundation. The system will allow D.C. residents to...