Trump's New Medicare Proposal Could Lock Seniors Into a Plan They Didn't Choose

For many Americans, senior benefits like Social Security and Medicare form the foundation of an affordable retirement. Any change to Medicare can have a major impact on seniors' budgets.

This includes a proposed change by the current Medicare Director, Chris Klomp, to automatically enroll beneficiaries in Medicare Advantage plans rather than traditional Medicare.

Keep reading to learn about the proposed change, including how it compares to current practice, what it would take to make the change happen, and what it could mean for your retirement savings.

What is Original Medicare?

Medicare is a government-funded health insurance plan that you pay into throughout your working life, then benefit from when you retire. Original Medicare is made up of Medicare Part A, which covers hospital costs, and Medicare Part B, which covers other medical expenses.

What is Medicare Advantage?

Medicare Advantage (sometimes called Medicare Part C) is an alternative to Original Medicare (or Medicare Parts A, B, and D). These plans are offered by private insurance companies that contract with Medicare to offer medical coverage.

Key differences between Original Medicare and Medicare Advantage

Both Original Medicare and Medicare Advantage have their pros and cons. For example, while some Medicare Advantage plans don't have an additional premium, they generally require you to get pre-authorization for certain procedures or prescriptions.

They also restrict you to specific care networks, so your preferred provider might not be covered by your plan. In contrast, Original Medicare is accepted at hospitals and doctors' offices nationwide.

How does Medicare enrollment currently work?

Right now, American workers are automatically enrolled in Medicare Part A and Part B when they turn 65 if they're already receiving Social Security benefits at that age.

Otherwise, you'll enroll in a Medicare plan during an initial enrollment period that starts three months before your 65th birthday and ends three months after. During this time period, you can sign up for Medicare Parts A and B, then choose a Part D plan, which covers prescription drugs.

Alternatively, you can enroll in a Medicare Advantage plan. Since there are many Medicare Advantage plans available in each area, you would need to carefully compare plans before opting in.

What the current proposal could change

Chris Klomp, the Medicare director under President Trump, said in March that he was considering switching beneficiaries' automatic enrollment from Original Medicare to Medicare Advantage.

If this policy change succeeded, you'd be automatically enrolled in a Medicare Advantage plan if you were already receiving Social Security benefits by age 65. While a bill that would make Medicare Advantage the default for certain Medicare beneficiaries was introduced in the House of Representatives in May 2025, it has yet to advance beyond the introductory stage.

If the government implements this proposal

In a KFF analysis of a default auto-enrollment into Medicare Advantage, the authors note that higher spending associated with auto-enrollment would likely increase Part B premiums.

Unlike with Original Medicare, enrollees can choose from multiple Medicare Advantage plans in their area. This would make enrolling individuals in a Medicare Advantage plan logistically challenging, and the government would need to decide on the key criteria for assigning people to a plan before moving forward with this change.

This change could impact your bottom line

The Medicare Payment Advisory Commission says Medicare Advantage costs about 20% more per beneficiary than Original Medicare, meaning the federal government's overall cost to sustain the program would increase.

The same KFF Health News article referenced above posits that this would likely increase the federal deficit, potentially defunding Medicare Part A while increasing the premiums paid by Part B beneficiaries.

What else could this change impact?

The current House of Representatives bill to modify Medicare automatic enrollment also includes a lock-in clause that would prevent enrollees from opting out of their assigned Medicare Advantage plan for 3 years.

If you chose Original Medicare over Medicare Advantage, you wouldn't be able to switch for three years either. Since most people stick with the plan they're assigned by default, whether that's Original Medicare or Medicare Advantage, fewer people are likely to switch from their assigned plan until it's too late.

Approaching your Medicare eligibility date

Whether or not this proposal moves forward, it's important to start thinking about which Medicare plan will work for you before your 65th birthday.

Remember, for now, you'll be automatically enrolled in Original Medicare based on your birth month, as long as you're already enrolled in Social Security.

Research Original Medicare and compare it with Medicare Advantage beforehand to decide if traditional Medicare is the right move for you. Similarly, if you're leaning toward Medicare Advantage, take the time to thoroughly compare the plans in your area.

Bottom line

With a little forethought, it won't matter if the federal government changes its Medicare automatic enrollment policy: your retirement plan and budget will be completely Medicare-proofed no matter what.

Actively comparing your plan options and enrolling during your initial enrollment period is the best way to ensure you're enrolled in the plan you want, not the plan you're assigned to by default.

If you're not sure how to figure out which plan is best for you, a qualified Medicare advisor can educate you about your options and help you understand the financial pros and cons of each choice.

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