MEDICARE DRUG BENEFIT  PART D

Article Overview

This article explains the basics of Medicare Part D prescription drug coverage, including how enrollment works, who may qualify for related drug discount card options, and the general structure of coverage limits and the coverage gap. It also discusses the Affordable Care Act’s phase-out of the gap and offers practical context about how pharmacy purchases and use of Part D coverage can affect what counts toward coverage limits. The content is intended for billing and coding professionals, office staff, and others who need a plain-language understanding of Medicare drug benefit concepts.