The Medicare supplement plan type with the biggest market share continues to gain share.
The number of Medicare enrollees who signed up for Medigap Plan F coverage increased to 4.6 million in December 2011, up 9.6% from the total in December 2010.
Plan F enrollees accounted for about 51% of all Plan F enrollees in 2011, up from 47% in 2010.
Many plan types recorded a drop in the number of enrollees they covered and the share all Medigap users they covered.
What Your Peers Are Reading
One major plan type, Plan C, ended 2011 with 1.3 million enrollees, down 6.6% from the total recorded a year earlier.
Plan C’s share of the Medigap market fell to 14%, from 16%.
In 1998, Plan C was the most popular Medigap plan type.