Castlight Health, Inc. announced a new partnership with the Washington Health Alliance, the state’s leader in healthcare cost and quality transparency. The partnership integrates Castlight’s comprehensive health navigation platform with Washington state’s largest healthcare cost and quality database to help the state’s Castlight customers, including Boeing, Esterline Technologies, Microsoft and Providence St. Joseph Health and their employees make smarter health benefits and healthcare decisions. The partnership integrates Washington state’s largest healthcare cost and quality database into Castlight’s comprehensive health navigation platform to help employees make smarter health benefits and healthcare decisions. “We are proud to partner with the Washington Health Alliance, an innovative local leader committed to improving healthcare for the people of Washington state,” said John Doyle, CEO of Castlight Health in a statement. “Castlight’s platform, integrated with the best-available cost and quality data, will help Washington employees make better healthcare choices by guiding them to high-quality, high-value providers and care.”