The Medicare Prescription Drug, Improvement, and Modernization Act

The Medicare Prescription Drug, Improvement, and Modernization Act[1] (also called the Medicare Modernization Act or MMA) is a federal law of the United States, enacted in 2003.[2] It produced the largest overhaul of Medicare in the public health program’s 38-year history.
The MMA was signed by President George W. Bush on December 8, 2003, after passing in Congress by a close margin.[3]