← Back to BlogMedicare Basics

Medicare Basics: Your Essential Guide to Getting Started

By New Jersey Medicare Advisory • May 3, 2026

Medicare Basics: Your Essential Guide to Getting Started

Navigating Medicare for the first time can feel overwhelming, but understanding the basics will help you make informed decisions about your healthcare coverage. Whether you're approaching your 65th birthday or helping a loved one enroll, this guide breaks down the essential facts you need to know.

Eligibility and When to Enroll

Most people become eligible for Medicare at age 65, but there are exceptions. You may qualify earlier if you have certain disabilities or specific medical conditions like End-Stage Renal Disease (ESRD) or ALS. If you're already receiving Social Security benefits before turning 65, you'll typically be enrolled in Medicare Parts A and B automatically.

Your Initial Enrollment Period (IEP) is crucial—it begins three months before your 65th birthday month, includes your birthday month, and extends three months after. Missing this window can result in late enrollment penalties that last for years. The General Enrollment Period runs from January through March each year for those who missed their IEP, with coverage starting July 1st. Additionally, the Annual Enrollment Period (October 15 - December 7) allows you to make changes to your existing coverage.

Understanding Medicare Parts A, B, C, and D

Part A (Hospital Insurance) covers inpatient hospital stays, skilled nursing facility care, hospice care, and some home health services. Most people don't pay a premium for Part A if they or their spouse paid Medicare taxes while working.

Part B (Medical Insurance) covers doctor visits, outpatient care, preventive services, and durable medical equipment. Part B requires a monthly premium, and you'll also pay deductibles and coinsurance for services.

Part C (Medicare Advantage) is an alternative way to receive your Medicare benefits through private insurance companies approved by Medicare. These plans include everything in Parts A and B, and often include Part D prescription drug coverage and additional benefits like dental, vision, or hearing coverage.

Part D (Prescription Drug Coverage) helps cover the cost of prescription medications. These plans are offered by private insurance companies, and costs vary depending on the plan you choose. Even if you don't take many medications now, enrolling when first eligible helps you avoid late enrollment penalties.

Typical Costs: What to Expect

Medicare involves several types of costs beyond monthly premiums. You'll encounter deductibles (the amount you pay before coverage kicks in), copayments (fixed amounts for specific services), and coinsurance (a percentage of the service cost). Part B premiums are typically deducted from your Social Security check if you're receiving benefits.

Higher-income beneficiaries may pay additional premium amounts for Parts B and D based on their modified adjusted gross income from two years prior. This is called the Income-Related Monthly Adjustment Amount (IRMAA).

Many people choose to purchase Medigap (Medicare Supplement) policies to help cover out-of-pocket costs like deductibles and coinsurance. These standardized plans are sold by private insurance companies and can provide valuable financial protection.

Common Misconceptions About Medicare

Many new enrollees believe Medicare covers everything, but it doesn't include routine dental care, eye exams for glasses, hearing aids, or long-term custodial care. Understanding these gaps helps you plan for additional coverage if needed.

Another misconception is that you must enroll in Medicare at 65 even if you have employer coverage. If you work for a company with 20 or more employees, you may be able to delay enrollment without penalty. However, the rules are complex, and it's essential to understand how your specific situation affects your enrollment timeline.

Some people also believe Medicare Advantage and Medigap are the same thing—they're not. Medicare Advantage replaces Original Medicare, while Medigap supplements it. You cannot have both a Medicare Advantage plan and a Medigap policy simultaneously.

Get Personalized Guidance

Every person's healthcare needs and financial situation are unique, which is why personalized guidance is so valuable. While this overview covers the fundamentals, working with a licensed Medicare advisor ensures you select coverage that truly fits your circumstances.

The team at New Jersey Medicare Advisory is here to help you navigate your Medicare options with clarity and confidence. We'll answer your questions, compare plans available in your area, and help you avoid costly mistakes. Call us today at 856-221-7051 to schedule a no-obligation consultation and take the stress out of Medicare enrollment.