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Medicare Basics: Your Essential Guide to Getting Started

By New Jersey Medicare Advisory • May 20, 2026

Understanding Medicare: What You Need to Know Before Enrolling

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 covers the fundamental facts every New Jersey resident should know about Medicare.

Eligibility and When to Enroll

Most people become eligible for Medicare at age 65, but some qualify earlier due to disability or specific health conditions like End-Stage Renal Disease or ALS. Your Initial Enrollment Period begins three months before your 65th birthday month and extends three months after—giving you a seven-month window to sign up.

Missing this window can be costly. If you don't enroll when first eligible and aren't covered by qualifying employer insurance, you may face late enrollment penalties that last for as long as you have Medicare. The Annual Enrollment Period runs from October 15 through December 7 each year, allowing you to make changes to your existing coverage. There's also a Special Enrollment Period for those with qualifying life events, such as losing employer coverage or moving out of your plan's service area.

The Four Parts of Medicare Explained

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 because they or their spouse paid Medicare taxes while working.

Part B (Medical Insurance) covers doctor visits, outpatient care, preventive services, and medical equipment. Part B requires a monthly premium, and higher-income beneficiaries may pay an additional amount based on their tax returns from two years prior.

Part C (Medicare Advantage) offers an alternative way to receive your Medicare benefits through private insurance companies approved by Medicare. These plans include Part A and Part B coverage, and most include prescription drug coverage. Many Medicare Advantage plans offer additional benefits like dental, vision, and hearing coverage.

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

Understanding Medicare Costs

Medicare involves several types of costs beyond monthly premiums. Deductibles are amounts you pay before coverage kicks in, while copayments and coinsurance are your share of costs for covered services. Part A typically has a deductible for hospital stays, while Part B has an annual deductible plus coinsurance for most services.

Many New Jersey residents 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 predictable healthcare expenses. However, you generally cannot have both a Medigap policy and a Medicare Advantage plan—it's one or the other.

Common Medicare Misconceptions

Many new enrollees believe Medicare covers everything, but it doesn't include routine dental care, eye exams for glasses, or hearing aids. Long-term custodial care in nursing homes is also not covered by Original Medicare.

Another common myth is that you're automatically enrolled in all parts of Medicare at 65. While those receiving Social Security benefits are typically auto-enrolled in Parts A and B, you still need to actively choose Part D prescription coverage and decide between Original Medicare with a Medigap plan or a Medicare Advantage plan.

Some people think they can't change their Medicare coverage after initial enrollment, but the Annual Enrollment Period specifically allows you to switch plans, add or drop coverage, and make changes based on your evolving healthcare needs.

Get Personalized Medicare Guidance

Every person's healthcare needs and financial situation are unique, which is why working with a licensed Medicare advisor is so valuable. The team at New Jersey Medicare Advisory can help you understand your options, compare plans available in your area, and find coverage that fits your specific needs and budget.

Don't navigate Medicare alone. Call New Jersey Medicare Advisory at 856-221-7051 to speak with a knowledgeable advisor who can answer your questions and guide you through the enrollment process with clarity and confidence.