What Are the 4 Parts of Medicare?

If you are new to the Medicare world or will be transitioning out of the workforce soon, you may be wondering how Medicare works. There are many questions to answer but today we’re going back to the basics: the four parts of Medicare.


Each of the four parts of Medicare covers certain health services, some government run and some private. Some of the options overlap, while some offer additional services. Each part is denoted by a letter: A, B, C and D.

What are the 4 parts of Medicare?


The four parts of Medicare are important to know because they make up the options that kupuna have for their Medicare insurance.


Here are the four parts:


Original Medicare (sometimes called traditional Medicare) is made up of Parts A and B; this is the traditional fee-for-service program offered directly through the federal government. Original Medicare insurance can be used for health services nationwide by any medical provider who accepts Medicare assignment. There is no need to get prior authorization from Medicare or your primary care physician before seeking care. Most beneficiaries choose to receive their Parts A and B benefits through Original Medicare.


Part A


Part A provides hospital (in-patient) health insurance to seniors. It includes skilled nursing care, hospice care, and limited home health-care services to seniors. Most seniors qualify for free Part A but there is typically a deductible*, coinsurance and/or copayments for each service you receive.