Change Healthcare was established in 2007 and is based in Brentwood, Tennessee. The company provides healthcare consumer engagement and cost transparency tools to health plans and large, self-insured employers across the United States. Change Healthcare was founded by Christopher Parks in 2007 with a consumer solution called MedBillManager. In January 2010, the company shifted its focus to the business-to-business market and launched the Change Healthcare Engagement Platform. In April 2011, Howard McLure, former president of CVS Caremark, came out of retirement to lead Change Healthcare as chairman and CEO. Doug Ghertner joined the company as president in July 2011; prior to this, he oversaw product innovation and management at CVS Caremark and was a senior vice president.