Medstar is Michigan’s largest and most integrated EMS and mobile healthcare provider, serving more than 190,000 patients annually throughout Bay, Clinton, Eaton, Ingham, Genesee, Lapeer, Macomb, Oakland, and Wayne counties. Founded in 1993, Medstar is a nonprofit joint venture of Ascension-Michigan, Henry Ford Health System, and McLaren Healthcare Corporation. With a physician-led board of directors and a clinically focused leadership team, our diverse workforce consists of more than 800 team members.