Medicare Advantage (Part C) Explained
Medicare Advantage is a private plan option for people on Medicare. Learn how it differs from Original Medicare and how to decide if it is right for you.
4 min read · 5 steps · Checked April 2026
Step 1. Understand what Original Medicare covers
Before comparing Medicare Advantage, it helps to know what Original Medicare includes. Part A covers hospital stays, skilled nursing facility care, and some home health services. Part B covers doctor visits, outpatient care, and preventive services. Neither part covers dental, vision, or hearing — and both have costs like deductibles and co-pays that you pay out of pocket.
Step 2. Learn how Medicare Advantage is different
Medicare Advantage plans combine Part A and Part B coverage through a private insurer. Most plans also include Part D prescription drug coverage. Many offer extra benefits like dental checkups, eye exams, and hearing aids. However, you are usually limited to using doctors and hospitals in the plan's network, which may be smaller than the full Medicare network.
Quick Tip
Quick Tip: If you travel often or split time between two states, check whether a plan covers out-of-area care before enrolling.
Step 3. Use the Medicare Plan Finder to compare options
Go to medicare.gov and use the "Find a Medicare Plan" tool. Enter your zip code and the medications you currently take. The tool will show you Medicare Advantage plans available in your area with their monthly costs, drug coverage, and star ratings. Star ratings (1 to 5 stars) reflect how well the plan performs on customer satisfaction and health outcomes.
Quick Tip
Quick Tip: A plan with 4 or 5 stars is generally considered high quality. Look for plans with good ratings for managing chronic conditions if that applies to you.
Step 4. Check that your doctors are in the network
Before choosing a Medicare Advantage plan, make a list of your current doctors and specialists. Go to the plan's website or call their member services number to confirm that your doctors are in-network. Switching to a plan where your doctor is out-of-network could mean higher costs or having to find a new doctor.
Warning
Do not assume your current doctors are covered. Always verify before enrolling, especially for specialists you see regularly.
Step 5. Enroll during open enrollment
The main Medicare open enrollment period runs from October 15 to December 7 each year. Changes take effect on January 1. You can enroll through the Medicare website, by calling 1-800-MEDICARE, or by contacting the plan directly. If you have questions or want help comparing plans, contact your local State Health Insurance Help Program (SHIP). They offer free, unbiased counseling.
If you are on Medicare, you may have heard of Medicare Advantage — also called Medicare Part C. It is an alternative to Original Medicare (Parts A and B) that is offered by private insurance companies approved by the federal government. Understanding the difference can help you make a better choice for your health and your wallet.
With Original Medicare, the federal government pays your medical bills directly. You can see almost any doctor or hospital in the country that accepts Medicare. You pay a monthly premium for Part B, plus deductibles and co-pays. Most people also buy a Medigap supplement policy to help cover those extra costs, plus a separate Part D plan for prescription drugs.
Medicare Advantage works differently. Instead of the government paying your bills, you enroll in a plan offered by a private company — like Humana, UnitedHealthcare, or Blue Cross — and that company manages your coverage. You still pay the Part B premium, but the plan itself may have a lower or even $0 additional monthly premium.
Medicare Advantage plans often include extra benefits that Original Medicare does not cover, such as dental care, vision exams, hearing aids, gym memberships, and sometimes transportation to medical appointments. Many plans also include prescription drug coverage. So you do not need a separate Part D plan.
The trade-off is that Medicare Advantage plans usually require you to use a network of doctors and hospitals. If you see an out-of-network provider, you may pay more or the visit may not be covered at all.
You can compare Medicare Advantage plans available in your area using the official Medicare Plan Finder tool at medicare.gov. Open enrollment to change or join a plan runs from October 15 to December 7 each year. You can also switch back to Original Medicare during the Medicare Advantage Open Enrollment period, which runs January 1 through March 31.
Official sources
- Medicare.gov — medicare.gov
- SSA.gov — ssa.gov
- IRS.gov — irs.gov
- USA.gov — usa.gov
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