Health Payer Intelligence August 23, 2022
Medicare Advantage enrollment growth stems both from brand new enrollees and enrollees who are switching to Medicare Advantage from traditional Medicare.
Medicare Advantage enrollment has grown in the last decade largely due to an influx of Black, Hispanic, and low-income beneficiaries, a research letter published in the JAMA Health Forum found.
Before 2011, Medicare Advantage health plans absorbed a greater share of Medicare enrollment because traditional Medicare enrollees were transitioning to Medicare Advantage plans. From 2011 to 2019, Medicare Advantage enrollment continued to increase but the source changed.
The researchers used the Master Beneficiary Summary File from 2011 to 2019 to inform their study of the source of Medicare Advantage enrollment during that timeframe. These files provided over 524.4...