Medicare Prescription Drug, Improvement, and Modernization Act
Overview
 
The Medicare Prescription Drug, Improvement, and Modernization Act (also called the Medicare Modernization Act or MMA) is a federal law of the United States, enacted in 2003. It produced the largest overhaul of Medicare
Medicare (United States)
Medicare is a social insurance program administered by the United States government, providing health insurance coverage to people who are aged 65 and over; to those who are under 65 and are permanently physically disabled or who have a congenital physical disability; or to those who meet other...

 in the public health program's 38-year history.

The MMA was signed by President George W. Bush
George W. Bush
George Walker Bush is an American politician who served as the 43rd President of the United States, from 2001 to 2009. Before that, he was the 46th Governor of Texas, having served from 1995 to 2000....

 on December 8, 2003, after passing in Congress
United States Congress
The United States Congress is the bicameral legislature of the federal government of the United States, consisting of the Senate and the House of Representatives. The Congress meets in the United States Capitol in Washington, D.C....

 by a close margin.
Its most touted change is the introduction of an entitlement
Entitlement
An entitlement is a guarantee of access to benefits based on established rights or by legislation. A "right" is itself an entitlement associated with a moral or social principle, such that an "entitlement" is a provision made in accordance with legal framework of a society...

 benefit for prescription drug
Prescription drug
A prescription medication is a licensed medicine that is regulated by legislation to require a medical prescription before it can be obtained. The term is used to distinguish it from over-the-counter drugs which can be obtained without a prescription...

s, through tax breaks and subsidies.

In the years since Medicare's creation in 1965, the role of prescription drug
Prescription drug
A prescription medication is a licensed medicine that is regulated by legislation to require a medical prescription before it can be obtained. The term is used to distinguish it from over-the-counter drugs which can be obtained without a prescription...

s in U.S.
 
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