Limited Medigap Consumer Protections Are Associated With Higher Reenrollment In Medicare Advantage Plans.

Meyers DJ, Trivedi AN, Mor V. Limited Medigap Consumer Protections Are Associated With Higher Reenrollment In Medicare Advantage Plans. Health affairs (Project Hope). 2019 May 1; 38(5):782-787.

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Abstract:

In all but eight states, Medicare supplemental coverage (or Medigap) plans may deny coverage or charge higher premiums on the basis of preexisting health conditions. This may particularly affect chronically ill or high-need Medicare Advantage enrollees who switch to traditional Medicare and subsequently discover that they are unable to purchase affordable Medigap coverage. We found that in states with no Medigap consumer protections, high-need Medicare Advantage enrollees had a 16.9-percentage-point higher reenrollment rate in Medicare Advantage in the year after switching to traditional Medicare, compared to high-need enrollees in states with strong Medigap consumer protections-namely, guaranteed issue and community rating (charging all enrollees the same premium regardless of health condition). Expanding protections in the Medigap market may increase consumers' access to this type of supplemental coverage.