What is the difference between Medicare Advantage and Medicare Part C?

Asked by: Glenna Boyer Sr.  |  Last update: December 2, 2025
Score: 5/5 (43 votes)

Medicare Advantage (also known as Part C) Medicare Advantage is a Medicare-approved plan from a private company that offers an alternative to Original Medicare for your health and drug coverage. These “bundled” plans include Part A, Part B, and usually Part D.

Is Medicare Part C the same as Medicare Advantage?

A Medicare Advantage Plan (like an HMO or PPO) is another Medicare health plan choice you may have as part of Medicare. Medicare Advantage Plans, sometimes called “Part C” or “MA Plans,” are offered by private companies approved by Medicare.

What is the biggest disadvantage of the Medicare Advantage plan?

Medicare Advantage Plan Pros And Cons

One disadvantage is that some Medicare Advantage plans may offer fewer options when it comes to doctors and hospitals, as they may have smaller plan networks than Original Medicare.

Why do doctors not like Medicare Advantage plans?

Across the country, provider grumbling about claim denials and onerous preapproval requirements by Advantage plans is crescendoing. Some hospitals and physician practices are so fed up they're refusing to accept the plans — even big ones like those offered by UnitedHealthcare and Humana.

What is the best Medicare plan that covers everything for seniors?

Original Medicare with Medigap likely offers the most comprehensive coverage, but it may also be the most costly. A person can consider their income and how much they are able to spend before choosing a Medicare plan. Original Medicare with Medigap also offers a lot of flexibility when choosing a doctor or specialist.

8 Reasons to DELAY Medicare Past 65 That Will Save You Thousands and Avoid ALL Penalties

15 related questions found

Why are people leaving Medicare Advantage plans?

Key takeaways: People leave Medicare Advantage plans because out-of-pocket costs vary between plans, network restrictions can cause frustration, prior authorization requests can delay care, and it can be difficult to use the additional benefits they provide.

Can I drop my Medicare Advantage plan and go back to original Medicare?

Medicare Advantage Open Enrollment Period: Between January 1 and March 31 of each year, if you already have a Medicare Advantage Plan (with or without drug coverage) you can: Switch to another Medicare Advantage Plan (with or without drug coverage). Drop your Medicare Advantage Plan and return to Original Medicare.

Why are hospitals dropping Medicare Advantage plans?

Health systems have cited delayed reimbursements, cumbersome prior authorization requirements and high rates of patient claim denials for their decisions to drop Medicare Advantage plans.

Is it better to have straight Medicare or a Medicare Advantage plan?

Both plans have formularies. Other benefits: Original Medicare does not cover vision, hearing, or dental services. Medicare Advantage plans may cover additional services, including vision, hearing, and/or dental, but those additional benefits may increase your premium and/or other out-of-pocket costs.

Does everyone have to pay $170 a month for Medicare?

Most people pay no premiums for Part A. For Medicare Part B in 2025, most beneficiaries will pay $185 per month. Certain factors may require you to pay more or less than the standard Medicare Part B premium in 2025.

Do all hospitals accept Medicare Advantage plans?

While most hospitals do accept Original Medicare, there may be some that do not accept Medicare Advantage Plans. However, if you have a medical emergency while you're enrolled in a Medicare Advantage plan, you can seek care at any ER or hospital in the country.

Why is a plan G better than an advantage plan?

Medigap Plan G offers more comprehensive benefits than the Medicare Advantage plan and is more widely available. It also provides more freedom for enrollees. For example, a Medigap Plan G enrollee can visit a specialist without a referral.

Do I still pay Medicare premiums with an Advantage plan?

Medicare Advantage Plan (Part C):

You must keep paying your Part B premium to stay in your plan. Deductibles, coinsurance, and copayments vary based on which plan you join. Plans also have a yearly limit on what you pay out-of-pocket.

What is the downside of a Medicare Advantage plan?

Disadvantages of Medicare Advantage plans can include difficulty switching out of the plans later, restrictions on care access, limited provider networks, and limitations on extra benefits.

What are the 6 things Medicare doesn't cover?

Some of the items and services Medicare doesn't cover include:
  • Eye exams (for prescription eyeglasses)
  • Long-term care.
  • Cosmetic surgery.
  • Massage therapy.
  • Routine physical exams.
  • Hearing aids and exams for fitting them.

What is the two midnight rule for Medicare Advantage?

The two-midnight presumption directs medical reviewers to select Original Fee-for-Service Medicare Part A claims for review under a presumption that hospital stays that span two midnights after an inpatient admission are reasonable and necessary Part A payment.

Do most doctors accept Medicare Advantage plans?

In 2022, the vast majority (98%) of physicians and practitioners billing Medicare were participating providers. Non-participating providers accept Medicare patients, but can choose whether to take assignment (i.e., Medicare's approved amount) on a claim-by-claim basis.

What is the disadvantage of UnitedHealthcare for seniors?

Cons About UnitedHealthcare Medicare Advantage

You may only have access to certain HMO or PPO plans in your area. And while UnitedHealthCare has competitive pricing, your location may only have access to plans with higher deductibles, more copays, and fewer additional benefits.

Why are seniors losing Medicare Advantage plans?

Health systems and hospitals are also making the decision to cancel contracts due to excessive prior authorization denial rates and slow payments from insurers. Already 27 health systems have canceled their Medicare Advantage contracts this year.

How many hospital days does Medicare Advantage cover?

If a doctor formally admits you to a hospital, Part A will cover you for up to 90 days in your benefit period. This period begins the day you are admitted and ends when you have been out of the hospital for 60 days in a row. Once you meet your deductible, Part A will pay for days 1–60 that you are in the hospital.

Is Mayo Clinic no longer accepting Medicare Advantage plans?

We do not accept noncontracted Medicare Advantage Plans.

Which company has the best Medicare Advantage Plan?

Best Medicare Advantage Plans for 2025
  • Best Overall, Best for Low Costs: Cigna.
  • Also Great for Low Costs: Alignment Health.
  • Best for Nationwide Coverage: Aetna.
  • Best for Patient Experience, Best for Drug Coverage: Kaiser Permanente.
  • Best for Special Needs Plans: Humana.

What is the penalty to switch back to original Medicare?

And, if you decide you want to switch again, there's also no penalty to switch from Original Medicare to Medicare Advantage. You can switch between the two types of coverage as many times as you want. You just need to make the switch during eligible enrollment periods.

Why is Humana losing Medicare Advantage plans?

To protect profits, Humana and its peers in MA slashed their plans for 2025, cutting benefits and exiting underperforming markets. Plans appear to have focused cuts around supplemental benefits like over-the-counter and flex cards, which give seniors funds to spend on eligible items.