Fang Zhang, PhD

More large employers with high-deductible health plans with health savings accounts offer preventive drug list benefits over time.

Given trends in cost and use, insulin out-of-pocket cost reduction policies would be more efficient if they targeted members in high-deductible health plans with savings options and low-income patients.

High-deductible health plan members with bipolar disorder experienced a reduction in nonpsychiatrist mental health provider visits but no changes in other utilization.

Rates of hepatitis C virus (HCV) treatment in a commercially insured population doubled after availability of new direct-acting antivirals. Member out-of-pocket spending was kept low while the health plan bore 99% of spending on HCV medications.

High-deductible health plan members had sustained reductions in emergency department visits over 2 years but initial reductions in hospital utilization and costs were not sustained.