Medicare Prescription Drug, Improvement, and Modernization Act

Medicare Prescription Drug, Improvement, and Modernization Act
Long title	An act to amend title XVIII of the Social Security Act to provide for a voluntary prescription drug benefit under the medicare program and to strengthen and improve the medicare program, and for other purposes.
Acronyms (colloquial)	Medicare Modernization Act or MMA
Enacted by	the 108th United States Congress
Citations
Public law	108 - 173
Legislative history
	Introduced in the House as H.R. 1 (Medicare Prescription Drug and Modernization Act of 2003) by Dennis Hastert (R–IL) on June 25, 2003; Passed the House on June 27, 2003 (216–215, 1 Present); Passed the Senate on July 7, 2003 (Unanimous Consent); Reported by the joint conference committee on November 21, 2003; agreed to by the House on November 22, 2003 (220–215) and by the Senate on November 25, 2003 (54–44); Signed into law by President George W. Bush on December 8, 2003;
United States Supreme Court cases
	Caraco Pharmaceutical Laboratories, Ltd. v. Novo Nordisk A/S, 566 U.S. 399 (2012); American Hospital Association v. Becerra, No. 20-1114, 596 U.S. ___ (2022);

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 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.