BRENTWOOD, Tenn.--( BUSINESS WIRE )-- As third-party administrators (TPAs) continue to play a key role in the administration of healthcare benefits to companies and employees across the country, change:healthcare today announced the addition of Unified Group Services to its growing roster of TPA customers. A leading TPA of self-funded benefits plans, Unified Group Services will offer change:healthcare's Transparency Messenger TM to enable its clients to achieve cost savings through access to critical pricing information about medical and dental services and prescriptions in their local area.