Medicare Prescription Drug, Improvement, and Modernization Act of 2003 (MMA)
The Medicare Prescription Drug, Improvement, and Modernization Act of 2003 (MMA) is the federal law that created the Medicare Part D prescription drug benefit and the modern Medicare Advantage program, and added certain preventive services to Part B. It reshaped how Medicare delivers drug and private-plan coverage.
Definition
The Medicare Prescription Drug, Improvement, and Modernization Act of 2003 (MMA) is the federal law that created the Medicare Part D prescription drug benefit and the modern Medicare Advantage program, and added certain preventive services to Part B. It reshaped how Medicare delivers drug and private-plan coverage.
Why it matters
Much of today's Part D and Medicare Advantage framework traces to the MMA, so it provides historical context for current coverage rules.
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