What is the percent of Americans on Medicare Advantage?

Asked by: Raven Murazik IV  |  Last update: January 13, 2026
Score: 4.6/5 (52 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).

Why are people 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.

What is the biggest disadvantage of Medicare Advantage?

The biggest disadvantage of Medicare Advantage is that you have fewer doctors to choose from when you get medical care.
  • Plans can also cost more overall than Original Medicare if you have complex medical needs. ...
  • With some plans, you don't have any coverage if you use a doctor that isn't in the network.

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.

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.

Comparing Advantage VS Supplemental COST on $200k Hospital Stay 🤔

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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 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.

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.

Do most hospitals accept Medicare Advantage?

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.

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 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.

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.

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.

Why are seniors leaving 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 are hospitals refusing 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.

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.

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.

Which is better, a supplement or advantage plan?

Summary: Medicare Advantage offers broader coverage including prescription drugs and dental care, while Medicare Supplement focuses on covering most out-of-pocket costs. Medicare Advantage plans are managed by private insurers with network restrictions, whereas Medicare Supplement allows freedom of provider choice.

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.

What went wrong with Humana?

Humana's stock dived when it announced a sharp decline in memberships for the top-rated Medicare Advantage (MA) plan. There are serious concerns among investors that the company may not be as attractive an income investment play as it used to be. Humana earns revenue through healthcare services and health insurance.

Are there any 5 star Medicare Advantage plans?

The 5-star Special Enrollment Period provides an opportunity for you to switch to a 5-star Medicare Advantage-only plan, a 5-star Medicare Advantage Plan with prescription drug coverage, or a 5-star Medicare Prescription Drug Plan.

Is Humana owned by UnitedHealthcare?

United HealthCare Corp.'s acquisition of Humana Inc., once valued at $5.5 billion, has been derailed by a plunge in United's stock price. The companies said today that they mutually agreed to scrap the deal, which would have created one of the nation's largest managed-care companies.