3.0% Plan Type 6.9% Which Health Plans Do Hoosiers Pick? 55.3% 34.8% Approximately 55.3% of plans in Indiana are High Deductible Health Plans (HDHPs), while about 34.8% of health plans in Indiana are Preferred Provider Organization (PPO) plans, ranking them second in prevalence. In Indiana, 74% of employees enroll in HDHPs and 22.4% of employees enroll in a PPO plan. PPO HDHP HMO/EPO POS