Understanding The Effects of The Medicare Part D Coverage Gap in 2008 and 2009
This Kaiser Family Foundation study examines how the coverage gap in Medicare’s drug benefit known as the “doughnut hole” affects Medicare beneficiaries and their prescribing patterns. Based on actual claims data from 2008 and 2009, before the 2010 health reform law began to close the gap, the study finds that most Part D enrollees with high drug costs who fall in the gap one year are likely to do so in future years. Enrollees who…
