Our Mission: To Serve With C.A.R.E. Compassion. Accountability. Respect. Excellence The Mesa (Arizona) Fire and Medical Department was established and organized in 1898. We have 20 stations that house 24 engines, five ladders, one ladder tender and three ARFF (aircraft rescue and fire fighting) units at both Mesa airports. We also have three Low Acuity (LA) units and a Community Medicine Behavioral Health unit. Mary Cameli serves as the department's Fire Chief and has served Mesa Fire and Medical Department for over 34 years. MFMD has 427 sworn personnel and 113 civilian personnel in support staff positions. All engines and ladders are constant staffed with a captain, engineer and two firefighters; of which two are paramedics (ALS) and two are EMT's (BLS). The Behavioral Health units are staffed with a licensed clinical behavioral health provider and a Fire Captain/Paramedic. Located in Maricopa County and just 15 miles east of Phoenix, Mesa covers 132 square miles, is the third largest city in Arizona and the 36th largest city in the nation.