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What is Medicare Part C or Medicare Advantage?

Medicare Advantage plans are private health plans that have contracts with Medicare. When you join one, you get your Medicare-covered healthcare services through the private plan.

Medicare Part C plans must cover all the same things as Medicare Part A and B. They also may cover services that Original Medicare does not pay for. Examples are eye exams, a pair of eyeglasses each year or a hearing exam. They may charge different amounts than you would pay through Original Medicare.

Looking for a step-by-step guide to your Medicare journey? Check out our Medicare Checklist.

Medicare Advantage plans may also cover prescription drugs. If they do, you cannot buy a separate Medicare prescription drug plan.

With Medicare Part C plans, you generally must use certain providers. These are doctors, hospitals, drug stores and other healthcare providers that the plans have contracts with. These are called in-network providers. If you use providers outside your plan’s network, it may cost you more money. It also may mean you get no Medicare coverage at all for that service.

You must have Medicare Parts A and B to join a Medicare Advantage plan. You pay your usual Part B premium plus any additional premium that the plan may charge.

The Part B premium usually comes out of your Social Security check automatically. Ask about the rules of Medicare Advantage plans before you decide to enroll.

What are the different types of Medicare Advantage plans?

Medicare Advantage plans come in a variety of types. Learn more about the options you’ll have if you decide to compare Part C Plans.

Health Maintenance Organizations (HMOs)

If you do not get your care from a provider the HMO approves, called an in-network provider, Medicare will not cover it. You usually need a referral from your primary care provider to see a specialist.

Medical Savings Accounts (MSAs)

You must pay a very high deductible before the plan covers any benefits. A health savings account is linked to the plan. Medicare puts money in the savings account each year, but the amount is less than your annual deductible.

Preferred Provider Organizations (PPOs)

You can get care from a Medicare provider out of your network. But you will pay more for out-of-network care. You will not need a primary care doctor.

Private Fee-for-Service plans (PFFS)

There is no network of providers. You can see any Medicare provider who agrees to the plan’s terms and payments. Providers can decide on a case-by-case and visit-by-visit basis whether or not to see you.

Special Needs Plans (SNPs)

These are PPOs or HMOs that only admit people with Medicare who:

  • Have certain serious chronic medical conditions, or
  • People who have Medicaid and Medicare, or
  • People who live:
    • In certain nursing homes or
    • At home but have high care needs and could qualify for a nursing home.

Get more information about SNPs in the official Medicare publication, Your Guide to Medicare Special Needs Plans. Download now.

Can I join a SNP?

You can join a SNP if you have Medicare Parts A and B, live in the SNP service area and meet the plan’s eligibility requirements. See the eligibility requirements for SNPs on Medicare.gov.

Are SNPs available everywhere?

Not necessarily. Each year, different types of Medicare SNPs may be available in different parts of the country.

Insurance companies can decide that a plan will be available to everyone with Medicare in a particular state or only in certain counties. Insurance companies may also offer more than one plan in an area, with different benefits and costs. Each year, insurance companies offering Medicare SNPs can decide to join or leave Medicare.

Can I have Medicare Advantage and Medigap (supplemental insurance)?

No. If you choose to enroll in a Medicare Advantage plan, you cannot also buy a Medigap/supplemental insurance policy. If you choose to enroll in Medicare Advantage, you will have limited opportunities to get a Medigap policy in the future if you wish to switch back to Original Medicare. In the link below, you can learn more about comparing the differences between Medicare Advantage and Medigap and why you might choose one over the other.

Next steps:

Learn About Part D or Explore How to Compare Plans or Learn About Open Enrollment