Can I be denied a Medicare Advantage plan for pre-existing conditions?
No. Advantage plans cannot turn you down for health reasons. The place health history does matter is somewhere else entirely.
No. Medicare Advantage plans cannot deny you enrollment based on your health, and they cannot charge you more because of it.
If you are entitled to Part A and enrolled in Part B and you live in the plan's service area, you can join during an enrollment window. Your medical history does not enter into it.
The one historical exception, now gone
End stage renal disease used to prevent enrollment in most Advantage plans. That restriction was removed and people with ESRD can now enroll like anyone else.
What Advantage plans also cannot do
- Impose a waiting period before covering a pre-existing condition
- Charge you a higher premium because of your diagnosis
- Drop you because you got sick or used a lot of care
- Refuse to cover a condition you already had when you joined
These protections are federal and they apply to every Advantage plan.
Where health history absolutely does matter
Medicare Supplement policies. This is the distinction that costs people real money.
In Texas, outside a protected window, a Medigap insurer can ask health questions, charge you more, or decline you outright.
- Your protected window runs six months from when your Part B starts, at or after 65. During it, no company can decline you or rate you up.
- There are also guaranteed issue rights in specific situations, such as your plan leaving the area or a trial right in your first year on Advantage.
- Outside those, underwriting applies.
So the answer to can I be denied is: not for Advantage, yes for a supplement. That asymmetry is the thing to understand at 65, because it makes the Advantage choice easier to make and harder to undo. See switching back to Original Medicare.
What this means practically
If you have significant health conditions, you have two very different situations depending on where you are in the timeline.
- Newly eligible, inside your six month window: every door is open. This is the moment to think carefully, because it does not repeat.
- Already on Advantage, years later, with a diagnosis: Advantage plans remain open to you and you can switch between them freely. A supplement may not be available on affordable terms.
If you are in the second situation, look at Advantage plans with lower out of pocket maximums and broader networks, and check whether you qualify for a dual eligible plan. See D-SNP plans.
What plans can do
They cannot deny you, but they can manage care through prior authorization, referrals and network limits. For someone with a chronic condition those mechanics matter more than for a healthy person, and they are a fair thing to ask about before enrolling.
Ask how prior authorization works for your specific treatments and how long approvals typically take. See the honest downsides.
Common follow-up questions
Can a plan drop me if I get sick?
No. Advantage plans cannot terminate you for using care or for a new diagnosis.
Is there a waiting period for pre-existing conditions?
No. Coverage begins on your effective date for everything the plan covers.
Why do supplements ask health questions when Advantage plans do not?
Different rules apply to each. Medigap is guaranteed issue only during protected windows, and Texas allows underwriting outside them.
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