Medicare 2026
One Card or Two? How Medicare's Two Coverage Paths Differ
VALPARAISO, Ind. — When people first sign up for Medicare, they run into a fork in the road that isn't always well explained. On one side is Original Medicare, often paired with a Medigap policy and a stand-alone Part D drug plan. On the other side is Medicare Advantage, which bundles everything into a single plan run by a private insurer. Both are legitimate ways to get your Medicare benefits, but they work very differently — and the choice you make can shape how you see doctors, fill prescriptions, and handle bills for years to come.
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Key takeaways
- Original Medicare is the federal program (Parts A and B); Medicare Advantage (Part C) is a private plan that replaces how you receive those benefits.
- Medigap policies only work with Original Medicare — you cannot use a Medigap plan alongside a Medicare Advantage plan.
- The Part D out-of-pocket cap is $2,100 in 2026 and $2,400 in 2027, and the maximum Part D deductible is $615 in 2026 and $700 in 2027, no matter which path you choose.
- The Annual Enrollment Period runs Oct. 15–Dec. 7, and Medicare Advantage members get a second window Jan. 1–March 31 to make one change.
Two structures, not two brands
Original Medicare is run by the federal government. Part A covers hospital stays, and Part B covers doctor visits and outpatient care. You can go to almost any provider in the country that accepts Medicare, and there is no network. But Original Medicare, by itself, has no cap on what you might pay out of pocket in a bad year.
That's why many people on Original Medicare add two more pieces: a Medigap (Medicare Supplement) policy, which helps pay the deductibles and coinsurance Original Medicare leaves behind, and a stand-alone Part D plan for prescription drugs. Three cards, three pieces, one system.
Medicare Advantage is different. It's a private plan — approved by Medicare — that takes the place of Original Medicare for how your care is delivered and paid. Most Advantage plans include Part D drug coverage and may include extras like routine dental, vision, or hearing. Instead of three cards, you have one. But you generally must use the plan's network of doctors and hospitals, and you may need referrals or prior approval for certain services.
Where Medigap fits — and where it doesn't
Medigap is often the piece that confuses new enrollees. A Medigap policy only works with Original Medicare. You cannot pair it with a Medicare Advantage plan; in fact, it's illegal for someone to sell you one if they know you're on Advantage.
Medigap policies are standardized by letter (Plan G, Plan N, and so on), so a Plan G from one insurer covers the same core benefits as a Plan G from another — the price is what changes. Timing matters, too: your strongest guaranteed right to buy any Medigap plan, without medical underwriting, is usually during the six months after you first enroll in Part B at age 65 or older.
The trade-offs to weigh
Neither path is universally better — it depends on your health, your doctors, your budget, and how much predictability you want.
Original Medicare with Medigap tends to have higher monthly premiums but very predictable costs when you actually use care, and broad provider access. Medicare Advantage tends to have lower monthly premiums, often includes drug coverage and extra benefits, but uses networks and can involve more paperwork when you need certain treatments.
What's the same either way
Some Medicare rules apply no matter which path you pick. Part D out-of-pocket drug spending is capped at $2,100 in 2026 and $2,400 in 2027. The coverage gap known as the "donut hole" is gone as of 2025, replaced by three simpler phases. You can also opt into the Medicare Prescription Payment Plan to spread your drug costs across the year in level monthly amounts.
Higher earners pay IRMAA surcharges on Part B and Part D premiums; in 2026, those start above $109,000 in income for a single filer. And the enrollment calendar is the same for everyone: Oct. 15 through Dec. 7 for the Annual Enrollment Period, and Jan. 1 through March 31 for Medicare Advantage members who want to switch once.
Local context for Valparaiso
Valparaiso is in Porter County, where Medicare plan availability — the number of Medicare Advantage and Part D plans sold — is set at the county level. That means two neighbors on the same street have the same menu to choose from, even if their doctors, medications, and budgets point them toward very different answers. Plan choices are refreshed each fall for the following year.
Because plans change annually, it's worth reviewing your coverage during the Annual Enrollment Period even if you're happy with it today.
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 Porter County
(MA penetration in Porter 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.
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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.
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The parts of Medicare
Good to know
Frequently asked questions
Can I have both Medicare Advantage and Medigap at the same time?
Do I need a separate Part D plan if I choose Medicare Advantage?
When can I switch between Original Medicare and Medicare Advantage?
Where can I get unbiased help comparing the two paths?
- CMS — Medicare basics (medicare.gov)
For personalized answers, contact Medicare.gov, 1-800-MEDICARE, or your local SHIP.
Also for Valparaiso
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This page was last updated: September 29, 2026.