What Is Medicare Advantage? We’ll Explain. . .

    Article by BenefitKarma Editorial Team
    Published Sep 26, 2025

    7 min read

    Topics: Health & Disability

    When people first hear about Medicare Advantage, it can sound like just another complicated insurance term. But this program, also known as Medicare Part C, is one of the main ways millions of Americans receive their Medicare benefits today. 

    If you’re nearing 65, already on Medicare, or helping a loved one navigate their options, understanding how Advantage works is essential.

    Medicare Advantage stands out among the many types of Medicare because it bundles coverage into one plan and often adds extra benefits like prescription drugs, dental, and vision. For many people, this combination makes it an attractive (and sometimes more affordable) choice.

    This guide will walk you through the basics: what Medicare Advantage is, how it works, who qualifies, what it costs, and how it compares to other Medicare options. By the end, you’ll have a clear starting point for evaluating whether it fits your health needs and budget. 

    And if you’d like to keep up with clear, plain-English explanations of benefits programs, follow BenefitKarma; we’re here to help you stay in the know.

    Key Takeaways:

    • Medicare Advantage (Part C) is a private insurance alternative to Original Medicare.

    • Plans bundle hospital, medical, and often prescription coverage, plus extras.

    • Costs differ from Original Medicare and Medigap, but Advantage plans cap yearly out-of-pocket spending.

    • Enrollment is open when you first get Medicare and during yearly windows.

    What is Medicare Advantage?

    Medicare Advantage (also called Medicare Part C) is an alternative way to get your Medicare benefits. Instead of receiving your coverage directly from the federal government through “Original Medicare,” you can choose a private insurance company that partners with Medicare to offer a bundled plan.

    These plans cover everything that Original Medicare covers (hospital and medical insurance) and often add extra benefits, like prescription drug coverage, dental, vision, or wellness programs.

    How does Medicare Advantage work?

    Here’s the basic setup:

    • Medicare pays private insurance companies to manage your health benefits.

    • You still get all your Medicare rights and protections, but the insurance company sets up a provider network, copays, and rules you need to follow.

    • Most plans include prescription drug coverage, so you don’t have to buy a separate Part D plan.

    • Many plans add extra perks not included in Original Medicare, like gym memberships or transportation help.

    The trade-off is that you usually need to use doctors and hospitals in your plan’s network, and some services may require pre-approval.

    Who can get Medicare Advantage?

    You can sign up for a Medicare Advantage plan if you:

    • Are enrolled in both Medicare Part A (hospital insurance) and Part B (medical insurance).

    • Live in the service area of the plan you want.

    Most people become eligible when they turn 65, but younger people with certain disabilities or health conditions (like end-stage renal disease or ALS) can also qualify.

    How much does Medicare Advantage cost?

    Costs vary, but here are the main things to know:

    • Part B premium: You must keep paying your monthly Medicare Part B premium (most people pay around $174.70 per month in 2024, though higher earners pay more).

    • Plan premiums: Some Medicare Advantage plans charge an extra premium on top of Part B, but many offer $0 premiums.

    • Copays and deductibles: You’ll usually pay set amounts when you visit the doctor, get lab tests, or fill prescriptions.

    • Out-of-pocket maximum: Unlike Original Medicare, Advantage plans must cap your yearly out-of-pocket costs for covered services. Once you hit that cap, the plan pays 100% for the rest of the year.

    How does the price of Medicare Advantage compare to the other types of Medicare?

    Understanding how Advantage compares to other Medicare options can help you decide which route is right for you.

    • Original Medicare (Parts A & B): You pay the Part B premium plus 20% coinsurance on most services, with no out-of-pocket maximum. That means costs can add up quickly if you need a lot of care. Many people also buy a standalone Part D drug plan, which adds another monthly premium.

    • Medicare Advantage (Part C): You still pay the Part B premium, but Advantage plans often have $0 additional premiums. Copays are more predictable, and plans must cap your out-of-pocket costs each year. The trade-off is provider networks and prior authorization rules.

    • Medigap (Supplemental Insurance): With Original Medicare, many people buy a Medigap plan to cover coinsurance and deductibles. This can make your costs more predictable and reduce financial risk, but monthly premiums for Medigap are typically higher than Medicare Advantage premiums. You’ll also usually need a separate Part D plan for prescriptions.

    What do Medicare Advantage plans cover?

    Every plan must cover at least the same services as Original Medicare:

    • Inpatient hospital care

    • Skilled nursing facility care

    • Doctor visits and outpatient services

    • Preventive services (like screenings and vaccines)

    Most plans go beyond that and may include:

    • Prescription drugs

    • Dental exams, cleanings, and dentures

    • Vision exams and eyeglasses

    • Hearing aids

    • Fitness or wellness programs

    When can you sign up for Medicare Advantage?

    • Initial Enrollment Period: Around your 65th birthday or when you first qualify for Medicare.

    • Annual Enrollment Period: October 15 to December 7 each year, when you can switch plans or go back to Original Medicare.

    • Special Enrollment Periods: If you move, lose other coverage, or meet certain conditions, you may be able to change plans mid-year.

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