Best Places to Work in Healthcare - 2020 Over 7-weeks, President and CEO Erhardt Preitauer made it a priority to speak in front of all 4,200-plus employees across all five service markets All <Prev Next> Rank 40 - Provider/Insurer CareSource Provider/Insurer, Dayton , OH Tweet Share Share Email More Years on the list: 5 Number of U.S. employees: 4,524 Voluntary employee turnover: 5% What employees love: Flexible work options--49% of staff work virtual; care development programs; crisis support program