Medicare 101: Understanding Your Coverage Options
A Simple Guide to Medicare – What It Covers and How It Works
Medicare is a federal health insurance program designed to provide affordable healthcare coverage for individuals 65 and older, as well as certain younger individuals with disabilities or specific medical conditions. With multiple coverage options available, it’s important to understand how Medicare works, what it covers, and which plan is right for you.
What is Medicare?
Medicare is a government-run health insurance program that helps cover healthcare costs for eligible individuals. It consists of different parts, each covering specific medical services, from hospital stays to prescription drugs.
Medicare is divided into four main parts:
- Medicare Part A – Covers hospital stays, skilled nursing care, hospice care, and some home healthcare services.
- Medicare Part B – Covers doctor visits, outpatient care, preventive services, and medically necessary treatments.
- Medicare Part C (Medicare Advantage) – An alternative to Original Medicare, offered by private insurance companies, combining Part A, Part B, and often Part D coverage, along with extra benefits.
- Medicare Part D – Covers prescription drugs, helping lower out-of-pocket medication costs.
Understanding these parts will help you decide which combination of coverage best meets your healthcare and financial needs.

You are 65 years or older and a U.S. citizen or legal resident.
You have End-Stage Renal Disease (ESRD) or Amyotrophic Lateral Sclerosis (ALS/Lou Gehrig’s Disease).
You are under 65 with a qualifying disability and have received Social Security Disability Insurance (SSDI) for at least 24 months.
You qualify for Medicare if you meet any of the following criteria:
Who is Eligible for Medicare?
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Do I Need Additional Coverage?
While Medicare provides essential coverage, there are gaps that could lead to high out-of-pocket expenses. You may want to consider:
✔️ Medicare Supplement (Medigap) – Helps cover deductibles, copayments, and coinsurance that Original Medicare doesn’t pay for.
✔️ Medicare Part D (Prescription Drug Plan) – Provides standalone drug coverage if you have Original Medicare.
Selecting the right additional coverage can help protect your health and finances in the long run.
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When Can You Enroll in Medicare?
Initial Enrollment Period (IEP)
- Starts three months before your 65th birthday, includes the month you turn 65, and continues three months after.
- If you’re receiving Social Security benefits, you’ll be automatically enrolled in Medicare Part A & Part B.
Annual Enrollment Period (AEP) – October 15 to December 7
- Switch between Original Medicare and Medicare Advantage.
- Change or enroll in a Medicare Part D prescription drug plan.
Medicare Advantage Open Enrollment – January 1 to March 31
- Allows those already in a Medicare Advantage plan to switch plans or return to Original Medicare.
Special Enrollment Period (SEP)
- Certain life events (moving, losing employer coverage) may qualify you for a special enrollment window.
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How to Choose the Right Medicare Plan
Picking the best Medicare plan depends on:
✔️ Your current health needs – Do you visit doctors frequently or take multiple medications?
✔️ Your budget – Are you comfortable with higher premiums for lower out-of-pocket costs?
✔️ Provider preferences – Do you want to see any doctor nationwide or prefer a plan with a network?
✔️ Additional benefits – Do you need dental, vision, or hearing coverage?
Navigating Medicare can feel overwhelming, but you don’t have to do it alone.