Medicare Advantage vs. Original Medicare: Key Differences to Help You Decide

The Basic Difference

Original Medicare is the federal program itself — Part A for hospital care and Part B for medical care, run directly by the federal government. Medicare Advantage (Part C) is a way to get those same benefits through a private insurance company instead, often with extra benefits bundled in.

Provider Networks

With Original Medicare, you can generally see any provider who accepts Medicare, nationwide, with no referral needed. Medicare Advantage plans typically use a defined network — an HMO or PPO structure — which may require staying in-network except for emergencies.

How Costs Typically Compare

Original Medicare has no annual out-of-pocket maximum on its own, which is one reason many people pair it with a Medigap policy. Medicare Advantage plans are required to include an annual out-of-pocket maximum, though monthly premiums, copays, and coinsurance structures vary widely by plan.

Extra Benefits

Many Medicare Advantage plans bundle in benefits Original Medicare doesn't include on its own, such as routine dental, vision, hearing, or fitness programs. These extras vary significantly from plan to plan and are not guaranteed.

How to Start Choosing

The right structure usually comes down to a few specific questions: Do your preferred doctors participate in a given network? What do your prescriptions cost under each option? How much flexibility do you want to travel or switch providers? A licensed agent can walk through these questions against your specific situation.

Sources & Further Reading

• Medicare.gov — Compare Original Medicare & Medicare Advantage (opens in a new tab)
• CMS.gov (opens in a new tab)