Best Places to Work in Healthcare - 2022 HCA Healthcare Continental Division/HealthONE colleagues participate in 'Crush the Crisis' event, collecting old and unused medications from community members. All <Prev Next> Rank 46 - Provider/Insurer HCA Healthcare Continental Division/HealthONE Provider/Insurer, Denver , CO Tweet Share Share Email More Years on the list: 1 Number of U.S. employees: 178 Voluntary employee turnover: 15% What employees love: None provided.