Healthgrades, a Vestar Capital Partners portfolio company, which provides objective ratings, detailed profiles, and directory information services, completed the acquisition of Evariant, a healthcare consumer and physician engagement company. Financial terms were not disclosed. “Healthgrades is a pioneer in healthcare information, and with the addition of Evariant, the company will become the most comprehensive healthcare communications platform in the industry. Merging the best features of both companies creates an unrivaled solution set for health systems to engage with consumers, patients, providers and other constituencies on a new level,” Norm Alpert, Healthgrades Chairman.