Mark K. Meiselbach, PhD

Nearly 3 million MA enrollees may lose plan coverage in 2026 as payment reforms drive market exits, hitting rural areas hardest and reshaping competition, explains Mark Meiselbach, PhD.

Mark Meiselbach, PhD, at Johns Hopkins, explains Medicare Advantage market corrections, Star Rating System pressures, and rural plan exits.

Medicare Advantage beneficiaries with mental health diagnoses see more nurse practitioners and fewer internal medicine and emergency medicine specialists after switching to traditional Medicare.

An increasing number of people with employer-sponsored insurance are covered by an insurer that offers Medicare Advantage in the state.

Offering a high-deductible health plan (HDHP) led to a 6.6% reduction in the probability of using substance use disorder services and a shift in spending from the plan to the enrollee.