Definition of Medicare
Medicare: The US government's national health insurance program for people aged 65 and older who have worked for at least 10 years in Medicare-covered employment, and who are citizens or permanent residents of the US. Medicare Part A covers inpatient hospital stays, and Medicare Part B covers physician and outpatient services.
Last Editorial Review: 3/19/2012
Back to MedTerms online medical dictionary A-Z List
Need help identifying pills and medications?
Get the latest health and medical information delivered direct to your inbox FREE!