Medicare Advantage vs. Medicare Supplement: What's the Difference?
If you have Original Medicare, you may be wondering about your options for additional coverage. Two terms you’ll often hear are Medicare Advantage and Medicare Supplement Insurance (Medigap). They work very differently, and understanding those differences is an important part of deciding which type of coverage may fit your needs.
Here’s a simple look at how each option works.

What Is Medicare Advantage?
Medicare Advantage, also called Medicare Part C, is another way to receive your Medicare Part A and Part B benefits. Medicare Advantage plans are offered by private insurance companies approved by Medicare.
Most Medicare Advantage plans include prescription drug coverage, and some plans may offer additional benefits that Original Medicare doesn’t cover. Depending on the plan, these may include benefits such as dental, vision, hearing, fitness programs, or other services.
Medicare Advantage plans generally use provider networks, and costs, benefits, and coverage rules can vary from one plan to another. That makes it important to check your doctors, hospitals, prescriptions, and other needs when comparing plans.
What Is Medicare Supplement Insurance?
Medicare Supplement Insurance, also known as Medigap, works alongside Original Medicare. It is sold by private insurance companies and can help pay some of the out-of-pocket costs that Original Medicare doesn’t cover, such as certain deductibles, coinsurance, and copayments.
With a Medicare Supplement policy, you remain enrolled in Original Medicare. In most cases, you can see any doctor or hospital in the United States that accepts Medicare.
Medicare Supplement policies generally do not include prescription drug coverage, so you may also need a separate Medicare Part D prescription drug plan.
How Are They Different?
The biggest difference is how the coverage works.
With Medicare Advantage, you receive your Medicare-covered benefits through the Medicare Advantage plan. Depending on the plan, you may have a provider network, copayments or coinsurance when you receive services, and additional benefits included with the plan.
With Medicare Supplement, Original Medicare remains your primary coverage and the Supplement policy helps with certain costs left behind by Original Medicare. You generally have broader access to providers who accept Medicare, but you pay a separate premium for the Supplement policy and may also need separate Part D prescription drug coverage.
Which Option Is Right for Me?
There isn’t one Medicare coverage option that is right for everyone. The best fit depends on your individual needs, preferences, and budget.
When comparing your options, it can help to consider:
Your doctors and hospitals — Are the providers you want to use available with the coverage you’re considering?
Your prescriptions — How will your medications be covered, and what could you expect to pay?
Your budget — Consider monthly premiums as well as deductibles, copayments, coinsurance, and potential out-of-pocket costs.
How often you travel — If you spend part of the year away from home or travel frequently, consider how your coverage works when you're outside your local area.
Additional benefits — Decide how important benefits such as dental, vision, hearing, or fitness programs are to you.
Looking at the whole picture—not just one benefit or one cost—can help you make a more informed decision.
Let’s Look at Your Options Together
Medicare Advantage and Medicare Supplement work very differently, and understanding those differences is an important first step. The next step is looking at how those choices apply to you.
I’m Staci Hartzog, a local licensed independent insurance agent serving Putnam County and surrounding communities. I can help you compare your Medicare options, check your doctors and prescriptions, and answer your questions so you can make a decision you feel comfortable with.
Have Medicare questions? Call Staci at 904-806-9736 or request an appointment through my website.


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