AAA 2019 Medicare Rate Calculator Now Available! The American Ambulance Association is pleased to announce the release of its 2019 Medicare Rate Calculator tool. The AAA believes this is a valuable tool that can assist members in budgeting for the coming year. This calculator has been updated to account for recent changes in Medicare policies, including the 2019 Ambulance Inflation Factor (2.3%) and continuation of the current temporary add-ons. To access the Rate Calculator, please CLICK HERE….