Medigap Plan A: What Are the Benefits?

Medigap in Plain English: What It Is (and What It Isn’t)

Medigapshort for Medicare Supplement Insuranceis private insurance that helps pay some of the
costs Original Medicare (Part A and Part B) doesn’t fully cover. Think coinsurance, copayments, and certain
deductible-related gaps. Importantly, Medigap works with Original Medicare, not instead of it.

A few “must-knows” before we zoom in on Plan A:

• You generally must have Medicare Part A and Part B to buy Medigap.
• You can’t use Medigap with a Medicare Advantage plan (Part C). It’s one lane or the other.
• Medigap plans are standardized by letter in most states, meaning a Plan A from Company X must include
  the same core benefits as Plan A from Company Y. The big differences are usually price, customer service,
  and how premiums are rated over time.
• Prescription drugs aren’t included in most modern Medigap policies. If you want drug coverage, you’ll
  typically pair Original Medicare + Medigap with a separate Part D plan.

Also: in Massachusetts, Minnesota, and Wisconsin, Medigap policies are standardized differently, so the
“letter plan” experience may not match what you read online. If you live in one of those states, you’ll want
state-specific guidance before you assume the A–N menu applies exactly.

What Medigap Plan A Covers: The Core Benefits

Medigap Plan A includes a set of core benefits meant to reduce some of the most common cost-sharing in
Original Medicare. It’s also worth noting that insurers that sell Medigap generally must make Plan A available
(it’s the baseline plan), which is one reason you’ll see it discussed so often.

1) Part A Coinsurance + Extra Hospital Days

Original Medicare Part A covers inpatient hospital care, but it doesn’t cover everything forever. After you’ve
used up Medicare-covered hospital days, costs can get brutal. Plan A helps by covering
Part A coinsurance and also helps pay for up to an additional 365 hospital days after Medicare
benefits are used up.

Why this matters: A long hospital stay isn’t just a storyline in medical dramasit’s a real financial
stress test. Plan A is like a safety rail for the coinsurance portion of hospital coverage once Medicare’s share
starts shrinking.

2) Part B Coinsurance or Copayments (That Famous “20%”)

Medicare Part B generally covers outpatient caredoctor visits, labs, imaging, outpatient surgery, and more.
After you meet the Part B deductible, Medicare typically pays 80% of approved amounts, leaving you with
20% coinsurance (and sometimes copayments depending on the service).

Medigap Plan A helps by covering Part B coinsurance or copayments. Translation: if you’re the kind of person
who actually uses healthcare (how embarrassing, honestly), this benefit can be the one you feel most often.

Example: Say you have outpatient imaging with a Medicare-approved amount of $1,000 after you’ve met the Part B
deductible. Medicare might cover $800, leaving $200. Plan A is designed to help cover that Part B coinsurance.
(Numbers here are simplified for illustration; approved amounts vary.)

3) The First 3 Pints of Blood

Original Medicare has rules around blood transfusions that can surprise people. Plan A covers the
first 3 pints of blood (per year) if you need a transfusion and the hospital has to charge you for it.

Is this the benefit most people brag about at brunch? No. But if you ever need it, you’ll be very glad it exists.

4) Part A Hospice Care Coinsurance or Copayment

Medicare hospice benefits can include cost-sharing for certain hospice-related services. Plan A helps cover the
Part A hospice care coinsurance or copayment.

Important nuance: Hospice benefits and what is covered can be specific, and not everything that sounds like
“end-of-life care” is automatically covered as people assume. Plan A focuses on the Medicare-defined hospice
coinsurance/copayment costsnot long-term custodial care or extended room-and-board scenarios.

What Plan A Does NOT Cover (a.k.a. Where the “Basic Plan” Shows Its Limits)

Plan A is helpful, but it is intentionally not comprehensive. Here are the big-ticket items it typically
doesn’t cover:

• Medicare Part A deductible (the amount you pay before Part A coverage kicks in for a benefit period).
• Skilled nursing facility (SNF) coinsurance under Part A.
• Medicare Part B deductible.
• Part B excess charges (extra amounts some providers may bill above Medicare-approved charges in certain situations).
• Foreign travel emergency coverage (some other Medigap plans include limited coverage; Plan A generally doesn’t).
• Most “extras” people wish Medicare covered, like routine dental, vision, hearing aids, and long-term custodial care.

Why these omissions matter: If your top financial worry is a hospital deductible or potential skilled
nursing coinsurance, Plan A may feel like bringing a raincoat to a snowstorm. You’ll stay slightly drier, but
you’ll still be cold, wet, and cranky.

So… Who Is Medigap Plan A Best For?

Plan A tends to fit people who want help with frequent, predictable cost-sharing (like the Part B 20%) but are
comfortable taking on more risk for less common, high-impact expenses.

Plan A might be a good fit if you:

• Want a lower-premium Medigap option and you’re okay paying certain deductibles yourself.
• Expect to use outpatient care (Part B) and want help with the coinsurance that can add up quickly.
• Prefer the flexibility of Original Medicare (broad provider choice nationwide) and don’t want the network structure of Medicare Advantage.
• Like the simplicity of standardized benefits: Plan A is Plan A, regardless of which insurer sells it (in most states).

You may want to look beyond Plan A if you:

• Want coverage for the Part A deductible or skilled nursing coinsurance.
• Travel internationally and want at least some foreign travel emergency help.
• Prefer a plan design that reduces “surprise bills” more aggressively, even if premiums are higher.

Plan A vs. Other Popular Medigap Plans (Quick Reality Check)

People often start with Plan A because it’s the baseline, then realize they want a bit more protection.
Here’s a simple, practical comparison to common alternatives (benefits vary by plan letter, not by insurer):

Takeaway: Plan A focuses on a narrow set of core gaps. Plans like G and N cover more of the “big”
Medicare cost-sharing categories (especially Part A deductible and SNF coinsurance), which is why they’re often
discussed as “more complete” options for many enrollees.

Enrollment Timing: When You Can Get Plan A Without Medical Underwriting Drama

The timing of when you apply for Medigap can matter almost as much as which letter you pick. Under federal rules,
you get a one-time Medigap Open Enrollment Period that lasts 6 months. It begins the first month
you have Medicare Part B and you’re 65 or older.

During this window, insurers generally can’t use medical underwriting to deny you coverage or charge more
due to pre-existing conditions. Miss this window, and in many states you may face underwritingmeaning you could
be denied, charged more, or offered limited options unless you qualify for a guaranteed issue right.

Guaranteed issue rights can happen in specific situationsoften involving loss of certain coverage or plan changeswhere you can buy a Medigap policy without underwriting.
State rules can add extra protections beyond federal rules, which is why your state insurance department or SHIP office can be a lifesaver.

Special state note: MA, MN, WI

If you live in Massachusetts, Minnesota, or Wisconsin, your plan options are standardized differently.
You can still get Medigap coverage, but the “Plan A” you read about in national articles may not translate
1:1 the way you expect. Get state-specific guidance before making assumptions.

How Much Does Medigap Plan A Cost?

There’s no single price tag for Plan A. Premiums vary based on the insurer, where you live, and how the company
sets rates. The key principle is this:
the benefits are standardized by letter (in most states), but premiums are not.

Why the same Plan A can cost very different amounts

• Geography: Prices can vary by ZIP code or rating area.
• Age and rating method: Some policies are community-rated, issue-age-rated, or attained-age-rated.
• Tobacco status: Many insurers charge more for tobacco use.
• Household discounts: Some insurers offer discounts if multiple people in a household have a policy.
• Timing: Applying outside open enrollment can change your options (and sometimes your price).

The 3 common pricing styles (ask about this!)

When comparing Plan A quotes, ask insurers which rating method they usebecause it affects how your premium may
change over time:

• Community-rated (no-age-rated): Everyone in the area pays the same premium regardless of age.
• Issue-age-rated (entry-age-rated): Price is based on your age when you buy; it won’t increase just because you’re older (though inflation/overall rate changes can still happen).
• Attained-age-rated: Premium is based on your current age, so it can rise as you age.

Practical tip: Because Plan A benefits are the same by letter, it often pays to get multiple quotes and
compare premium trends, not just the “today price.”

How to Shop Smart for Plan A (Without Getting “Sales-Bro’d”)

1. Confirm you want Original Medicare, not Medicare Advantage. Medigap is designed to pair with Original Medicare.
2. Use your open enrollment window if you can. It’s usually the easiest time to buy.
3. Compare Plan A from multiple insurers. Same letter = same benefits (in most states), so compare price and service.
4. Ask about pricing method and premium history. “How are premiums rated?” and “How have premiums changed in recent years?”
5. Think about the gaps you’re comfortable keeping. Plan A won’t cover the Part A deductible or SNF coinsurance, for example.
6. Line up drug coverage if needed. If you want prescription coverage, look at a Part D plan to pair with Original Medicare + Medigap.

If you want unbiased help, look for your local State Health Insurance Assistance Program (SHIP)they’re designed to help people navigate Medicare choices without pushing a particular insurer.

Bottom Line: The Benefits of Medigap Plan A

Medigap Plan A is the “back-to-basics” Medicare Supplement option. Its biggest benefits are that it helps with:
Part A coinsurance and extended hospital coverage, Part B coinsurance/copayments, the first 3 pints of blood, and Part A hospice coinsurance/copayments.

It can be a smart fit if you want help with common cost-sharing (especially Part B coinsurance) and prefer a potentially lower premiumeven if it means you’ll still be responsible for some major gaps like the Part A deductible and skilled nursing coinsurance.

If you’re deciding between Plan A and a richer plan, the question isn’t “Is Plan A good?” The question is:
Which costs would stress you out if they happened this year? Plan A reduces some of the most frequent expenses, but it’s not built to minimize every big surprise.

Real-World Experiences People Commonly Have with Plan A (and What You Can Learn from Them)

The best way to understand Plan A isn’t just reading the benefit listit’s imagining the moments when you’d actually
use it. Below are common experiences beneficiaries often describe (names and details are generalized). The goal here is to make the trade-offs feel real, not theoretical.

Experience #1: “I barely go to the doctor… until I do.”

Many people pick Plan A because they feel healthy, don’t anticipate frequent hospital stays, and want a premium that feels manageable. For a while, it can feel like a win:
you keep Original Medicare’s flexibility and you’re not paying for benefits you don’t think you’ll need.

Then a year comes along with multiple outpatient servicesspecialist visits, imaging, physical therapy, follow-ups. That’s when Plan A can feel like it’s quietly doing its job.
Covering Part B coinsurance can smooth out a year where 20% would otherwise pile up into a surprisingly annoying total.
It’s not a flashy benefit, but it can be a consistent one.

Experience #2: The “Part A deductible surprise” after an unexpected admission

Another common story: someone is happily using Plan A, then experiences an inpatient hospital admission. They discover that Plan A helps with Part A coinsurance,
but it generally doesn’t cover the Part A deductible. That deductible can be a serious “waitwhat?” moment if you assumed “supplement” meant “everything.”

The lesson people learn here is simple: Plan A is a partial shock absorber. If the deductible would throw your budget off track, a plan that covers it may be worth a higher premium.
If you can self-fund the deductible without losing sleep, Plan A may still make sense.

Experience #3: “I chose Original Medicare for freedomand Plan A didn’t get in the way.”

Some beneficiaries really value being able to see providers across the country without worrying about networks. Snowbirds, frequent travelers, and people who want access to certain specialists often describe this as the reason they stayed with Original Medicare.
In those cases, Plan A can feel like a clean add-on: it helps with the predictable cost-sharing without adding network rules (unlike some other insurance structures).

Experience #4: Trying to switch later can be harder than expected

People sometimes start with Plan A and later decide they want more coverageespecially after a big health event or after learning the cost of skilled nursing coinsurance.
The challenge: switching Medigap plans outside your open enrollment period can mean medical underwriting in many states.

The takeaway isn’t “never choose Plan A.” It’s: treat your initial enrollment window like a golden ticket.
If you’re on the fence between Plan A and a more comprehensive plan and you can afford the premium difference,
many people prefer locking in stronger coverage while underwriting protections are at their peak.

Experience #5: Hospice-related costs are emotionally hardso predictability helps

When hospice becomes part of the picture for a loved one, the emotional weight is already heavy. People often say that any reduction in billing complexity and cost-sharing uncertainty is genuinely helpful.
Plan A’s hospice coinsurance/copayment support is one of those benefits that doesn’t get much attention until it matters.

Bottom line from these experiences: Plan A can be a smart “basic coverage” choice if your priority is helping with Part B coinsurance and you’re comfortable covering certain larger gaps yourself.
The best outcomes tend to happen when people (1) buy during open enrollment, (2) compare multiple insurers for the best pricing structure, and (3) are honest about which “missing benefits” would actually hurt if they showed up.