The Four Parts of Medicare
Medicare isn't one program — it's four separate parts that work together.
- Part A (Hospital Insurance): Covers inpatient hospital stays, skilled nursing facility care, hospice, and some home health care. Most people pay $0 premium because they paid Medicare taxes while working.
- Part B (Medical Insurance): Covers doctor visits, outpatient care, preventive services, and durable medical equipment. Has a monthly premium ($202.90 in 2026 for most people) and a yearly deductible.
- Part C (Medicare Advantage): An alternative way to get Parts A and B (often with Part D) through a private insurance company approved by Medicare. Many plans include extra benefits like dental, vision, and hearing.
- Part D (Prescription Drug Coverage): Covers prescription medications through private insurers. Can be a standalone plan or bundled into a Medicare Advantage plan.
Original Medicare vs. Medicare Advantage
Original Medicare (Parts A & B) lets you see any provider nationwide who accepts Medicare. Medicare Advantage plans use networks but often include extra benefits and may have lower out-of-pocket costs — the right choice depends on your health needs, budget, and travel habits.
What Medicare Doesn't Cover
- Most dental, vision, and hearing care
- Long-term custodial care
- Care outside the United States (with limited exceptions)
- Routine foot care in most cases
Key Takeaways
- Medicare has four parts: A (hospital), B (medical), C (Advantage), and D (drugs).
- Original Medicare offers nationwide provider access; Medicare Advantage offers network-based plans with extra benefits.
- Neither Original Medicare nor most Advantage plans cover everything — gaps exist that supplemental coverage can fill.
This guide is educational only and not a complete description of benefits. Costs and coverage rules change annually. Speak with a licensed advisor to review your specific situation.
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