Medicare 101: Understanding the Basics

Medicare can feel complicated, but it doesn’t have to be. This guide will help you understand the different parts of Medicare, what they cover, and how they work together — so you can make confident decisions about your health coverage.


The Four Main Parts of Medicare

Part A – Hospital Coverage

  • Covers inpatient hospital stays, skilled nursing care, hospice, and some home health services
  • Most people don’t pay a monthly premium

Part B – Medical Coverage

  • Covers doctor visits, outpatient care, preventive services, and medical equipment
  • Part B requires a monthly premium

Part C – Medicare Advantage

  • Offered by private insurance companies, these plans combine Parts A & B, and usually include prescription drug coverage (Part D)
  • Many plans offer extra benefits like dental, vision, hearing, and fitness programs

Part D – Prescription Drug Coverage

  • Helps pay for prescription medications
  • Available as a standalone plan or included in Medicare Advantage plans

Medicare Supplement (Medigap) Plans

Original Medicare (Parts A and B) doesn’t cover everything. You’re still responsible for deductibles, copays, and coinsurance — and there’s no cap on your out-of-pocket costs.

Medicare Supplement insurance, also called Medigap, helps pay those “gaps” in coverage.

Medigap plans:

  • Work with Original Medicare, not instead of it
  • Help cover costs like hospital deductibles and Part B coinsurance
  • Allow you to see any doctor nationwide who accepts Medicare
  • Offer more predictable healthcare expenses

Plans are standardized (Plan G is the same medical coverage no matter which company sells it), so the main differences are price and service.


How the Parts Work Together

You generally have two main paths for coverage:

Option 1: Original Medicare

Parts A & B + Part D + Optional Medigap

  • Broad provider access nationwide
  • A separate drug plan for prescriptions
  • A Medigap plan can reduce or nearly eliminate out-of-pocket medical costs

Option 2: Medicare Advantage

Part C (often includes Part D)

  • All coverage bundled into one plan
  • Usually has provider networks
  • Lower monthly premiums, but pay copays and coinsurance as you use services

Where you live, your medications, your travel habits, and your preferred doctors can all influence which path is right for you.


Why It Matters

Choosing the right combination of Medicare coverage can help you:

  • Avoid costly gaps in care
  • Keep your preferred doctors and hospitals
  • Make prescription medications more affordable
  • Protect your budget from unexpected healthcare expenses
  • Gain peace of mind knowing your coverage fits your lifestyle

Next Steps

  • Compare Plans in Minnesota: Options vary by county
  • Review Your Needs: Consider prescriptions, preferred providers, travel, and extra benefits
  • Get Personalized Guidance: A Medicare advisor can help you make sense of the choices

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