What percentage of seniors enrolled in Medicare Advantage?

Asked by: Prof. Kaya Roberts V  |  Last update: December 4, 2025
Score: 4.6/5 (69 votes)

In 2024, 32.8 million people are enrolled in a Medicare Advantage plan, accounting for more than half, or 54 percent, of the eligible Medicare population, and $462 billion (or 54%) of total federal Medicare spending (net of offsetting receipts, such as premiums).

What percent of seniors are on Medicare Advantage?

More Americans than ever are choosing Medicare Advantage for affordable health care, with nearly 34 million seniors and disabilities enrolled in the program. Medicare Advantage now makes up more than half (55%) of the Medicare population.

How many people switch from Medicare to Medicare Advantage?

Among the 15 percent of all beneficiaries who had switched coverage in the past two years, 35 percent said they switched from traditional Medicare to an MA plan and 49 percent said they switched from one MA plan to another.

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.

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.

Traditional Medicare vs. Medicare Advantage Explained

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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.

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.

Why is Medicare Advantage not a good 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.

Why are hospitals not taking 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.

Who is the largest Medicare Advantage provider?

Why we picked it: A large network of medical providers means it may be easier to find a doctor or specialist who takes your insurance.
  • UnitedHealthcare is the largest provider of Medicare Advantage plans. ...
  • Aetna is a CVS Health company and is the fourth-largest provider of Medicare Advantage plans.

Are most people happy with Medicare Advantage?

Beneficiaries in Traditional Medicare and Medicare Advantage plans say they're largely happy, but have plenty of issues with each program. When Americans are asked what they think about Medicare, they generally rate the program highly.

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.

What is the new Medicare rule for 2025 for seniors?

The most significant change for 2025 is the implementation of a $2,000 annual cap on out-of-pocket prescription drug costs for Medicare beneficiaries. This landmark change applies whether you receive healthcare through Original Medicare or a Medicare supplemental insurance plan.

Why do people choose original Medicare over Medicare Advantage?

There's no one-size-fits-all answer, but Medicare Advantage typically has lower premiums and optional coverage, while Original Medicare often gives you more choice when it comes to choosing doctors.

What is the average age of people on Medicare Advantage?

In 2021, approximately 50 percent of all Medicare Advantage enrollees were aged between 65 and 74 years in the United States. This statistic depicts the distribution of Medicare Advantage (MA) enrollees in the United States in 2021, by age.

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.

Do all doctors accept Medicare Advantage?

Can Doctors Refuse Medicare? The short answer is "yes." Thanks to the federal program's low reimbursement rates, stringent rules, and grueling paperwork process, many doctors are refusing to accept Medicare's payment for services. Medicare typically pays doctors only 80% of what private health insurance pays.

What is the denial rate for Medicare Advantage plans?

While the rate of requests remained steady, plans denied 7.4% of them on average in 2022. This is an increase from 5.7% in 2019 and 5.8% in 2021. When plans deny a request for prior authorization, they must explain their decision in writing.

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.

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.

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.

Why are providers dropping Medicare Advantage plans?

Among the most commonly cited reasons are excessive prior authorization denial rates and slow payments from insurers. In 2023, Becker's began reporting on hospitals and health systems nationwide that dropped some or all of their Medicare Advantage contracts.

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.

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.