M. Kate Bundorf, PhD, MBA, MPH

Penetration of Medicare Shared Savings Program accountable care organizations and Medicare Advantage was not associated with substantive changes in health care use among commercial enrollees.

The authors examine how insurer and patient out-of-pocket payments for advanced prostate cancer differ by drug and health plan type and describe the relationship between these payments and utilization.

Premiums in federally facilitated Affordable Care Act Health Insurance Marketplaces are higher in geographic areas with more concentrated hospitals and physician practices and fewer insurers.