An overview and study of beneficiaries' knowledge, attitudes, and perceptions of the medicare part d benefit.

Purpose: Medicare beneficiaries' knowledge, attitudes, and perceptions (KAP) of the Medicare Part D prescription drug benefit have been under evaluation since the 2006 inception of the Part D benefit.

Objective: This study sought to examine beneficiaries' satisfaction with their Medicare Part D prescription drug plan, knowledge of the coverage gap, attitudes about the relative importance of certain insurance parameters, and overall perceptions of the Part D benefit.

Design: Cross-sectional, descriptive study design.