Medicare Supplement
How Medigap's Lettered Plans Work in Sharon, PA
SHARON, Pa. — If you're on Original Medicare and shopping for extra help with the bills it doesn't cover, you've probably run into a wall of letters: Plan A, Plan B, Plan D, Plan G, Plan N, and more. That alphabet soup is Medicare Supplement Insurance — usually called Medigap — and the letters aren't random. They're standardized by the federal government, which means a Plan G sold in Sharon covers the same core benefits as a Plan G sold anywhere else in Pennsylvania (or in most other states).
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Click to call 855-729-3240Sorting out Medigap in Sharon
Here's a plain-English guide to what Medigap does, how the letters work, and where Sharon residents can get personalized help.
What Medigap actually does
Original Medicare — Part A (hospital) and Part B (doctor and outpatient) — pays a large share of your covered health care, but not all of it. You're still responsible for things like the Part A hospital deductible, the Part B deductible, and the 20% coinsurance Part B leaves behind. There's no annual out-of-pocket limit on Original Medicare by itself.
Medigap is private insurance you can buy to help pay some of those leftover costs. It works alongside Original Medicare: Medicare pays first, then your Medigap policy picks up its share of what's left, depending on which lettered plan you chose.
A few important points from Medicare.gov:
- Medigap only works with Original Medicare. It does not work with Medicare Advantage.
- You pay a monthly premium to the insurance company for Medigap, on top of your Part B premium.
- Medigap generally does not include prescription drug coverage. For drugs, you'd add a separate Part D plan.
- Each Medigap policy covers one person. Spouses need their own policies.
Why the letters exist
Before the plans were standardized, comparing Medigap policies was a mess — every insurer designed its own benefits, and shoppers couldn't tell apples from oranges. Federal law fixed that by locking each lettered plan to a specific set of benefits.
Today, the plans available to most new enrollees include Plans A, B, D, G, K, L, M, and N. (Plans C and F are still available, but only to people who became eligible for Medicare before January 1, 2020.) Sharon residents shopping in Mercer County will see these same letters — that part doesn't change by ZIP code.
Because the benefits inside each letter are fixed by law, the differences you'll see between companies come down to:
- Price. Insurers set their own premiums, and prices for the same lettered plan can vary a lot.
- Customer service and billing.
- How the insurer prices policies over time (some rate by age, some don't).
That's why Medicare's official advice is to compare prices carefully when you look at the same letter across companies.
A quick tour of the letters
Every Medigap plan covers a core set of basics, including Part A hospital coinsurance and an extra 365 days of hospital coverage after Medicare benefits are used up. From there, the letters add different pieces:
- Plans with broader coverage (like Plan G) tend to pick up more of your out-of-pocket costs, and typically have higher premiums.
- Plans with cost-sharing (like K and L) have lower premiums but ask you to pay a percentage of some services until you hit a yearly out-of-pocket limit.
- Plan N covers most gaps but leaves some small copays for office and emergency visits.
Medicare.gov publishes a benefits chart that shows exactly what each letter covers. It's the cleanest way to compare — no marketing spin, just checkmarks.
Sharon and the local picture
Sharon sits in Mercer County, and while Medigap letters themselves are standardized statewide, the companies licensed to sell them in Pennsylvania, and the premiums they charge, are set at the state level. Pennsylvania also has its own rules around when you can switch Medigap plans outside your initial enrollment window.
The best time to buy a Medigap policy is during your six-month Medigap Open Enrollment Period, which starts the month you're 65 or older and enrolled in Part B. During that window, insurers can't turn you down or charge you more because of health problems. Outside that window, in most states — including Pennsylvania — you may face medical underwriting.
When Medigap might (or might not) fit
Medigap is designed for people who want to stay on Original Medicare and add predictable coverage for the gaps. If you're leaning toward Medicare Advantage instead, remember: you can't use a Medigap policy with an Advantage plan, and it's illegal for someone to sell you one if they know you have Advantage.
Some questions worth asking yourself:
- Do I want to see any doctor nationwide who accepts Medicare?
- Would I rather pay a steadier monthly premium than face bigger surprise bills?
- Do I already have a Part D drug plan lined up, or need to add one?
There's no one right answer — it depends on your health, budget, and how you like to use care.
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 Mercer County
(MA penetration in Mercer 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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The parts of Medicare
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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.
Good to know
Frequently asked questions
Is Medigap the same as Medicare Advantage?
Do all insurers in Pennsylvania offer every letter?
Does Medigap cover prescription drugs?
- CMS — Medicare basics (medicare.gov)
For personalized answers, contact Medicare.gov, 1-800-MEDICARE, or your local SHIP.