Medicare is federal health insurance for people 65 and older, and some under 65 with certain disabilities or conditions. Plan for your Medicare needs. Medicare is the federal health insurance program for qualifying individuals age 65 and older and some people under 65 with certain disabilities or conditions, such as amyotrophic lateral. Learn more about Medicare, including expert guidance on coverage, benefits and eligibility. Original Medicare covers most, but not all of the costs for approved health care services and supplies. After you meet your deductible, you pay your share of costs for services and supplies as you get them. Learn how Medicare works for people 65 and older or with a disability. See if you are eligible, how to enroll, and locate a Medicare-certified provider. Medicare operates through four distinct parts, each covering specific healthcare services. Parts A and B form “Original Medicare,” the government-run foundation of the program. Part C offers an alternative through private insurance companies, while Part D adds prescription drug coverage. Medicare is a health insurance program for people age 65 and older, people under 65 with certain disabilities, and people of all ages with End-Stage Renal Disease (ESRD). Medicare Part B (Medical Insurance) - Part B helps cover doctors' services and outpatient care. It also covers some other medical services that Part A doesn't cover, such as some of the services of physical and occupational therapists, and some home health care. The official U.S. government website for Medicare, a health insurance program for people age 65 or older and younger people with disabilities. Generally, Medicare is for people 65 or older. You may be able to get Medicare earlier if you have a disability, End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant), or ALS (also called Lou Gehrig’s disease).