What Is Medicare? A Simple Overview for Beginners

Medicare is the federal health insurance program primarily for people who are 65 or older, and for some younger people with certain disabilities or conditions. It's administered by the Centers for Medicare & Medicaid Services (CMS) and divided into four main parts.

Part A (Hospital Insurance) helps cover inpatient care in hospitals, skilled nursing facility care, hospice care, and some home health care. Most people do not pay a premium for Part A because they or a spouse paid Medicare taxes while working.

Part B (Medical Insurance) helps cover doctor services, outpatient care, preventive services, and some medical equipment. There is a monthly premium for Part B that is typically deducted from your Social Security benefit.

Part C (Medicare Advantage) is an alternative to Original Medicare offered by private insurance companies approved by Medicare. These plans must cover everything Original Medicare covers and often include extra benefits like dental, vision, and prescription drug coverage.

Part D (Prescription Drug Coverage) helps lower the cost of prescription medications. These plans are offered by private companies and are optional, but there may be a late-enrollment penalty if you don't enroll when first eligible.

Understanding which parts you need — and when to enroll — is the first step to making confident Medicare decisions. This is general educational information, not personalized advice; for your specific situation, request a consultation.