Medicare Supplement Gaps What You Need to Know About Coverage, Costs, and Getting Real Help
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Let’s be honest: Medicare is confusing.
If you’re getting close to 65—or maybe you just passed that birthday—there’s a good chance you’ve got mail piling up from insurance companies, calls you didn’t ask for, and a general sense of “Wait, what exactly does Medicare not cover?”
You’re not alone. A lot of folks are surprised to find out that Original Medicare (that’s Parts A and B) doesn’t cover everything. In fact, there are some pretty significant gaps—like deductibles, coinsurance, and things like dental or vision care. Those things? They come right out of your pocket.
But here’s the good news: You can do something about it. That’s where Medicare Supplement plans—often called Medigap—come into play. And if you’re wondering whether they’re worth it, or if you even qualify, this page is exactly where you should be.

So What Does Medicare Actually Cover?
Let’s clear the air. Original Medicare is a great foundation, but it’s not the whole house.
- Part A helps cover hospital stays, skilled nursing, hospice, and some home health care.
- Part B picks up outpatient care—doctor visits, preventive services, and durable medical equipment.
Sounds decent, right? But here’s the kicker:
You’re still on the hook for 20% of most medical costs. That’s after you pay your deductible.
And there’s no limit—no cap—on what you might owe out of pocket. One long hospital stay or a handful of specialist visits, and suddenly you’re looking at bills that feel more like mortgage payments.
Oh—and prescription drugs? Not covered under Parts A or B. You’d need a separate Part D plan for that.
It’s no wonder folks start searching for something that plugs the holes—something that gives them peace of mind. That’s where Medicare Supplement plans come in.
Meet Medigap:
The Coverage Safety Net
why Medicare Supplement plans exist. They’re designed to fill those costly gaps in your Medicare coverage—hence the nickname Medigap.
These plans are offered by private insurance companies but regulated by the government. That means the core benefits are standardized, no matter who you buy from. What’s different is how those companies treat you, what they charge, and how they guide you.
Let’s talk about the crowd favorite: Plan G.
It’s like the reliable pickup truck of Medigap plans—dependable, widely accepted, and built to carry the load. It covers almost everything except the Part B deductible (which, in 2025, is $240).
With Plan G, you get:
- Coverage for Part A coinsurance and hospital costs
- Coverage for Part B excess charges
- Skilled nursing coinsurance
- Foreign travel emergency care (yep—this one’s a big deal if you plan to travel)
It’s not flashy. But it’s solid. And for many, that’s exactly what they need.

Timing Matters:
When You Can Enroll (and Why You Shouldn’t Wait)
Let me explain something that trips up a lot of people: When you enroll affects what you can get—and how much you’ll pay for it.
Here’s the short version:
- You’ve got a 6-month window after you enroll in Part B.
- During this time, you can sign up for any Medigap plan—no medical underwriting, no health questions, no worries.
- After that window? All bets are off. You can still apply, but you might be denied or charged more based on your health.
Honestly, this is one of those things you want to get right the first time. Because once that open door closes, it might not swing open again easily.
And you know what? Most folks don’t realize that until it’s too late.
That’s why sitting down with a Medicare insurance agency—preferably one that knows the local scene and speaks plain English—isn’t just helpful; it’s smart.
Common Missteps
Let’s call this the “things-I-wish-I-knew” section. Because there are mistakes we see all the time—and they’re almost always avoidable.
- Thinking Medicare Covers Everything
- Spoiler: it doesn’t. Not dental. Not vision. Not long-term care. Not hearing aids. It’s a solid base, but not the full package.
- Missing the Medigap Enrollment Window
- We talked about this already, but it bears repeating. That six-month period? It’s gold.
- Picking a Plan Based on Price Alone
- Cheaper isn’t always better. Some plans come with hidden headaches—network limitations, poor customer service, or rate hikes that sneak up later.
- Not Getting Local Help
- Online quote generators are fine—for browsing. But when it comes to actually choosing a plan, you want someone who knows your doctors, your area hospitals, and how different companies operate right here in your zip code.
And here’s the thing: A local Medicare agent can usually do all this at no cost to you. Why wouldn’t you take advantage of that?
Why a Local Medicare Insurance Agency Makes All the Difference
You could Google for days. Watch YouTube videos. Read articles like this one (we appreciate that, by the way). But nothing beats a face-to-face (or phone-to-phone) conversation with someone who lives in your neck of the woods.
Here’s what you get when you work with a local Medicare insurance agency:
- Personal guidance tailored to your specific needs
- Help navigating tricky timelines, forms, and options
- Clear explanations (in regular language)
- Access to plans that fit your doctors and prescriptions
- No spammy phone calls from out-of-state “advisors”
- Ongoing support—even after you enroll
And if you choose the right agency, you get something else that’s hard to put a price on: trust.
Our team has been helping folks just like you across South Mississippi for years. We’ve walked people through their first Medicare decision. We’ve helped their spouses. We’ve helped their neighbors. We’re not here to push a plan—we’re here to help you make sense of it all.
Medicare covers a lot—but not everything
Medicare Supplement plans, like Plan G, can help you avoid big out-of-pocket costs.
And timing? Yeah, it matters—a lot.
But you don’t have to figure this all out on your own. Whether you’re just getting started or you’ve been on Medicare for a few years and feel like something’s off… let’s talk. No pressure. No pushy sales talk. Just good, honest help from people who care
Give us a call. Shoot us a message. Come by the office.
Let’s make sure your Medicare plan actually works for you.
What our Customers Are Saying
Signing up for Medicare can be daunting for anyone. I am thankful that Camery at Gary Smith Medicare Agency was able to explain in detail the nuances of signing up for the first time with Medicare. I made multiple Appointments with many questions at each visit. Camery and the entire staff were kind and very accommodating.