Medicare Part D
Two doors to drug coverage: what shifts when you switch
In Dothan, when you sit down to sort out Medicare drug coverage, you're really choosing between two doors. Behind one is a stand-alone Part D plan paired with Original Medicare. Behind the other is a Medicare Advantage plan that folds drug coverage in with your medical benefits. Both can cover your prescriptions in 2027, but they are built differently — and moving from one to the other changes more than just your pharmacy card.
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Will your prescriptions still be covered in 2027?
Part D plans rewrite their drug lists every year — tiers move, pharmacies change, drugs drop off. One call checks your exact medications against the 2027 plans in your area.
- Every prescription checked, name by name
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Key takeaways
- Stand-alone Part D pairs with Original Medicare, while Medicare Advantage plans usually bundle drug coverage with medical care under one plan.
- Part D has a $2,100 out-of-pocket cap and a $615 maximum deductible in 2026, rising to a $2,400 cap and a $700 maximum deductible in 2027, no matter which door you choose.
- Switching from Medicare Advantage back to Original Medicare with a Part D plan can affect whether you can buy a Medigap policy, so check the rules first.
- The Annual Enrollment Period runs October 15 through December 7, and Medicare Advantage Open Enrollment runs January 1 through March 31.
Two structures, one goal
A stand-alone Part D plan does one job: it covers prescription drugs. You keep Original Medicare (Parts A and B) for hospital and doctor visits, and your drug plan sits alongside it. Many people in this setup also buy a Medigap policy to help with Part A and Part B cost-sharing.
A Medicare Advantage plan (Part C) with drug coverage — often called an MA-PD — is a single plan from a private insurer that replaces how you get your Original Medicare benefits and adds Part D drugs in the same package. One plan, one member card, one set of rules.
Both are regulated by Medicare, and both must meet the same Part D protections. The out-of-pocket cap on covered drugs is $2,100 in 2026 and $2,400 in 2027; the maximum deductible is $615 in 2026 and $700 in 2027.
What's the same either way
No matter which door you choose:
- Your drug plan uses a formulary — a list of covered medications organized into tiers.
- You may face prior authorization, step therapy, or quantity limits on certain drugs.
- The three-phase Part D structure applies (the old "donut hole" coverage gap was eliminated in 2025).
- You can opt into the Medicare Prescription Payment Plan, which spreads your drug costs across the calendar year in monthly installments instead of paying big amounts at the pharmacy counter.
- If your income is above $109,000 as a single filer in 2026, an IRMAA surcharge may be added to your Part D premium.
What changes when you switch
This is where people get tripped up. Moving between the two structures isn't just a paperwork swap.
Your doctor and pharmacy network can change. Original Medicare lets you see any provider in the country that accepts Medicare. Most Medicare Advantage plans use networks (HMOs, PPOs) and may require referrals or in-network pharmacies.
Your formulary changes. Every Part D and MA-PD plan has its own drug list. A medication covered on one plan may sit on a different tier — or not be covered at all — on another. Always check the formulary before you switch.
Extra benefits come and go. Medicare Advantage plans often include benefits Original Medicare doesn't cover, like routine dental or vision. If you leave an Advantage plan, those extras end.
Medigap eligibility can be affected. If you leave Medicare Advantage and return to Original Medicare, you may want a Medigap policy to fill in cost-sharing gaps. Outside your initial Medigap open enrollment window, insurers in most states can use medical underwriting, which means they can charge more or decline coverage based on your health. A few limited guaranteed-issue rights exist — this is worth a call to your local SHIP before you make a move.
When you can switch
Dothan is in Houston County, where residents choose from plans available in that county. The two main windows to change drug or Advantage coverage each year are:
- Annual Enrollment Period: October 15 – December 7. Anyone with Medicare can join, drop, or change a Part D or Medicare Advantage plan. Changes take effect January 1.
- Medicare Advantage Open Enrollment: January 1 – March 31. If you're already in a Medicare Advantage plan, you get one chance to switch to a different Advantage plan or return to Original Medicare with a stand-alone Part D plan.
Special Enrollment Periods may also open if you move, lose other coverage, or qualify for Extra Help.
Common mistakes to avoid
- Assuming your drugs are covered the same way. Pull your current medication list and check each drug against the new plan's formulary before switching.
- Dropping a Medigap policy to try Medicare Advantage without knowing the return rules. Getting the Medigap back later may not be automatic.
- Signing up for both a stand-alone Part D and a Medicare Advantage plan with drug coverage. In most cases, this will disenroll you from the Advantage plan. Pick one lane.
- Waiting past December 7 and assuming you can change again in January — Advantage Open Enrollment doesn't let you join a Part D plan if you're staying on Original Medicare.
By the numbers
Medicare Part B premium, 2006–2026
The standard monthly Part B premium has climbed from $88.50 in 2006 to $202.90 in 2026. Hover any point for that year’s premium.
Source: CMS. Standard premium shown; in some hold-harmless years many existing enrollees paid less. Confirm at Medicare.gov.
By the numbers
How people get Medicare in Houston County
(MA penetration in Houston County)
MA penetration from CMS enrollment data; Medigap share is an estimate. U.S. average is about 54% Medicare Advantage. These are area-level figures, not plan-specific.
Try it
How the 2026 Part D drug cap works
Slide to your estimated yearly prescription costs and see how the new $2,100 out-of-pocket cap protects you. This illustrates the standard Part D benefit; your plan may structure costs differently.
Once your out-of-pocket spending on covered drugs reaches $2,100, you pay nothing more for the rest of 2026. Confirm details at Medicare.gov.
Explore
When can you enroll? An interactive year
Enrollment windows are federal and the same nationwide. Confirm your personal dates at Medicare.gov or 1-800-MEDICARE.
Good to know
Frequently asked questions
Can I have a stand-alone Part D plan and a Medicare Advantage plan at the same time?
If I switch from Medicare Advantage back to Original Medicare, when does my new drug coverage start?
Does the $2,100 out-of-pocket cap work the same in both types of coverage?
Where can I get unbiased help comparing my options in Dothan?
- CMS — Medicare Part D program rules (medicare.gov)
- CMS — Medicare basics (medicare.gov)
For personalized answers, contact Medicare.gov, 1-800-MEDICARE, or your local SHIP.
Also for Dothan
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This page was last updated: October 6, 2026.