The Basics

The Medicare Drug Benefit (Part D)
January 4, 2016


Sally Coberly, PhD


The Medicare Prescription Drug, Improvement, and Modernization Act of 2003 (MMA) established a voluntary outpatient prescription drug benefit for Medicare beneficiaries that began January 1, 2006. This publication provides an overview of the drug benefit.

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See also "Medicare" (The Basics, January 4, 2016).

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