Medicare 101: Understanding the Basics in Plain Language

Medicare is a federal health insurance program primarily for people age 65 and older, as well as certain younger individuals with disabilities. If you’re new to Medicare, terms like Part A, Part B, premiums, deductibles, and coinsurance can feel confusing. This Medicare 101 guide breaks down the basics so you can understand how coverage works before comparing plan options. Once you understand the structure, choosing coverage becomes much more manageable.

Medicare Is Made Up of Different “Parts”

Medicare Part A (Hospital Insurance)

Part A generally covers inpatient hospital stays, skilled nursing facility care, hospice care, and some home health services. Many people do not pay a premium for Part A if they’ve worked and paid Medicare taxes long enough. However, deductibles and coinsurance may apply depending on the length of stay and services received.

Medicare Part B (Medical Insurance)

Part B covers outpatient services such as doctor visits, preventive care, lab work, and durable medical equipment. Most people pay a monthly premium for Part B. After meeting the annual deductible, you typically pay coinsurance (often 20%) for covered services.

Medicare Part C (Medicare Advantage)

Medicare Advantage plans are offered by private insurance companies approved by Medicare. These plans bundle Part A and Part B coverage and often include prescription drug coverage (Part D). Plans may use provider networks such as HMOs or PPOs and include an annual maximum out-of-pocket limit.

Medicare Part D (Prescription Drug Coverage)

Part D plans help cover prescription medications. Plans vary in premiums, formularies (drug lists), and pharmacy networks. Reviewing your prescriptions before enrolling helps ensure your medications are covered at predictable costs.

Common Medicare Terms You’ll See

Understanding a few key terms makes everything easier:

• Premium: The monthly amount you pay for coverage.
• Deductible: The amount you pay before coverage begins.
• Copay: A fixed amount you pay for a service.
• Coinsurance: A percentage of the cost you share after meeting your deductible.
• Out-of-Pocket Maximum: The most you pay in a year for covered services (applies to Medicare Advantage plans).

Medicare terminology is standardized by federal guidelines, so definitions are consistent nationwide.

Are You Automatically Enrolled in Medicare?

Some people are enrolled automatically in Original Medicare (Part A and Part B). You may be automatically enrolled if:

• You are already receiving Social Security benefits before turning 65.
• You are receiving certain disability benefits.

If you are not receiving Social Security when you become eligible, you may need to enroll manually through the Social Security Administration. Understanding whether enrollment is automatic helps prevent missed deadlines.

Medicare Eligibility Basics

You’re generally eligible for Medicare if:

• You are age 65 or older and a U.S. citizen or permanent legal resident.
• You qualify due to certain disabilities.
• You have specific qualifying medical conditions.

Eligibility determines when your Initial Enrollment Period begins, which is typically a seven-month window around your 65th birthday.

How to Sign Up for Medicare

If enrollment is not automatic, you typically sign up through the Social Security Administration:

1. Apply online at SSA.gov
2. Call Social Security directly
3. Visit a local Social Security office

After enrolling in Part A and Part B, you can review additional coverage options such as Medicare Advantage, Medigap, or Part D plans.

For complete official information about Medicare enrollment and available options, visit Medicare.gov or call 1-800-MEDICARE (TTY 1-877-486-2048), 24 hours a day, 7 days a week.

Need Help After Reading Medicare 101?

Learning the basics is the first step. Comparing plans based on your doctors, prescriptions, and estimated costs is the next.

Green Bee Insurance provides Medicare guidance for individuals in Fort Lauderdale, throughout Broward County, and across Florida through virtual consultations. When you’re ready, schedule a structured plan review and turn information into a clear decision.

Ready to begin?