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Medicare Supplement Insurance

Medigap (Medicare Supplement) Plan Guide

Medigap gives you the freedom to see any Medicare-accepting doctor in the country — no networks, no referrals, no surprises. I help residents of The Villages® community understand their options, compare plans, and enroll at the right time.

Medigap — officially called Medicare Supplement Insurance — is a policy sold by private insurers that works alongside Original Medicare (Part A and Part B) to cover the costs Medicare doesn't pay in full. These include deductibles, coinsurance, copayments, and excess charges that can otherwise add up to thousands of dollars per year.

When you have Medigap, Medicare pays its share first, and then your Medigap policy pays some or all of the remaining costs. You still pay your monthly Part B premium and your Medigap premium, but in return you get financial predictability that Original Medicare alone doesn't provide. There are no claim forms to file and no network restrictions — if a doctor accepts Medicare, they accept your Medigap plan.

I'm Max Bumgardner, and I live here in The Villages® community. Medicare decisions are personal, and I think they're better made with someone who understands your situation rather than a call center reading from a script. My role is straightforward: I help you understand what Medigap covers, how it compares to other options like Medicare Advantage, and whether it fits your healthcare needs and budget. My services are free to you — I'm compensated by the insurance carriers, not by my clients.

For a broader look at all parts of Medicare, visit our complete Medicare guide. If you're approaching 65, our Turning 65 guide walks through the full enrollment timeline.

What Medigap Covers

Medigap plans are standardized by the federal government. Each plan is identified by a letter (A, B, D, G, K, L, M, N), and every plan with the same letter provides the same benefits regardless of which insurance company sells it. The only differences between carriers are price, customer service, and rate increase history.

Gaps That Medigap Fills

  • Part A coinsurance and hospital costs — including up to 365 additional days after Medicare benefits are exhausted
  • Part B coinsurance or copayment — your 20% share of outpatient and doctor visit costs
  • Part A hospice care coinsurance — or copayment
  • Skilled nursing facility coinsurance — days 21–100 carry significant daily coinsurance without Medigap
  • Part A deductible — charged each benefit period
  • First 3 pints of blood — each calendar year
  • Foreign travel emergency care — 80% after $250 deductible, up to $50,000 lifetime (most plans)

What Medigap Does Not Cover

  • Prescription drugs — you need a separate Part D plan
  • Routine dental care — cleanings, fillings, extractions, dentures
  • Routine vision care — eye exams, glasses, contacts
  • Hearing aids — though Medicare covers diagnostic hearing exams
  • Long-term custodial care — nursing home stays beyond skilled nursing
  • Private-duty nursing

Dental, vision, and hearing coverage can be added through standalone plans. We can help you find those too.

The bottom line: Medigap handles the cost-sharing that Original Medicare leaves on your plate. For people who use healthcare regularly — multiple specialist visits, lab work, imaging, hospital stays — this coverage turns unpredictable bills into a known monthly expense. That predictability is one of the primary reasons people choose it.

Medigap Plan Comparison

While ten Medigap plan letters exist, two dominate the market for good reason: Plan G and Plan N. Since Plan F closed to new enrollees after January 1, 2020, Plan G has become the most comprehensive option available, and Plan N offers a strong alternative at a lower premium.

Plan G

Most Popular — Comprehensive Coverage

Plan G covers everything Original Medicare doesn't, with one exception: the annual Part B deductible. After you meet that deductible, you pay nothing else out-of-pocket for Medicare-approved services for the rest of the year.

Plan G includes:

  • Part A deductible (each benefit period)
  • Part B coinsurance (20% of outpatient costs)
  • Part B excess charges (100%)
  • Skilled nursing coinsurance
  • Foreign travel emergency (80%)

Your annual out-of-pocket: The Part B deductible + your monthly premium. That's it.

Plan N

Lower Premium — Small Copays

Plan N covers most of the same benefits as Plan G but with two trade-offs: you pay small copays for certain visits, and Part B excess charges aren't covered. In exchange, premiums are noticeably lower.

How Plan N differs:

  • Up to $20 copay for doctor office visits
  • Up to $50 copay for ER visits (waived if admitted)
  • Does not cover Part B excess charges
  • Does not cover Part B deductible

Typical savings: Plan N premiums are generally noticeably lower than Plan G, with the exact difference varying by carrier, ZIP code, and age.

What About Other Plans?

Plans A, B, D, K, L, and M still exist but are far less commonly chosen. Plan K and Plan L offer cost-sharing arrangements with lower premiums but higher out-of-pocket exposure. Plan A provides the most basic coverage. In practice, the overwhelming majority of new Medigap enrollees in Florida choose Plan G or Plan N.

Plan F was the most comprehensive plan but closed to new enrollees after January 1, 2020. If you already have Plan F, you can keep it. If you're newly eligible, Plan G is the closest equivalent — it covers everything Plan F did except the Part B deductible.

When we sit down together, I pull current rates from the carriers I represent in your area so you can compare real numbers rather than ranges. Medigap carrier availability and premiums vary by ZIP code and can change over time. Since the benefits within a plan letter are identical across companies, the decision often comes down to premium, rate increase track record, and whether the insurer offers household or payment discounts.

Medigap vs. Medicare Advantage

Medigap and Medicare Advantage are two fundamentally different ways of structuring your Medicare coverage. Medigap works alongside Original Medicare, covering the deductibles, coinsurance, and copays that Medicare leaves on your plate. Medicare Advantage provides your Medicare benefits through a private plan that typically includes its own provider network and may bundle drug coverage and extras like dental and vision.

Neither approach is universally better. The appropriate choice depends on your doctors, prescriptions, budget, how much you travel, your healthcare needs, and your personal preferences. One important consideration: if you start with Medicare Advantage and later want to move to Medigap, you may face medical underwriting in Florida unless you have a protected enrollment right, such as being within your first 12 months on a Medicare Advantage plan.

I walk through both paths honestly with every client — I'm not here to push one over the other. For a detailed side-by-side breakdown, see our Medicare Advantage vs. Medigap comparison guide.

When to Enroll in Medigap

Enrollment timing is the single most important factor in choosing a Medicare Supplement policy. Miss the right window and you may not be able to get the coverage you want — or you may pay significantly more for it. Here are the key enrollment periods you need to understand.

Medigap Open Enrollment Period (Most Important)

This is your best and most protected window. It starts the month you're both 65 or older and enrolled in Medicare Part B, and it lasts exactly 6 months. During this period:

  • • Insurance companies cannot deny your application for any health reason
  • • They cannot charge you more based on pre-existing conditions
  • • They cannot impose waiting periods for coverage of existing health issues
  • • You can choose any Medigap plan from any insurer in your area

Example: If you turn 65 in March and Part B starts March 1, your Medigap Open Enrollment runs March 1 through August 31. If you delayed Part B until October (due to employer coverage), your window runs October through March of the following year.

After Open Enrollment: Medical Underwriting

Once your 6-month Open Enrollment window closes, applying for Medigap in Florida means going through medical underwriting. Insurers will ask detailed health questions and can:

  • Deny your application based on health conditions
  • Charge higher premiums — sometimes significantly higher
  • Exclude coverage for pre-existing conditions for up to 6 months
  • Refuse specific plan letters entirely

This is not a scare tactic — it's how the rules work. I've seen people denied Medigap coverage because they waited too long to apply. It's the most common regret I hear.

Guaranteed Issue Rights

Certain situations give you guaranteed-issue rights to buy Medigap without health questions, even outside Open Enrollment:

  • • You're within your first 12 months of a Medicare Advantage plan and want to leave
  • • Your Medicare Advantage plan leaves your service area or stops providing care
  • • You lose employer or retiree group coverage through no fault of your own
  • • Your Medigap insurer goes bankrupt or you were misled when you enrolled

These protections are limited in scope — they typically restrict you to Plans A, B, C, F (if previously eligible), K, or L. They don't always let you choose Plan G or N. I help people determine exactly which rights apply to their specific situation.

Florida's Birthday Rule

Florida offers a valuable protection that many states don't have. Each year, during a 30-day window around your birthday (from 30 days before to 30 days after), you can switch Medigap plans without medical underwriting. The rules:

  • • You can switch to any plan with equal or lesser benefits than your current plan
  • • You can switch to any insurer — not just your current one
  • No health questions asked
  • • This applies every year, not just once

This means if you have Plan G, you can shop for a cheaper Plan G from a different company every birthday. If your current insurer's rates have climbed, Florida's birthday rule gives you a way to find a better price without worrying about your health blocking the switch.

For a broader overview of all Medicare enrollment windows — including the Annual Enrollment Period and Special Enrollment Periods — visit our Medicare enrollment periods guide. If you're moving from another state, learn how a move affects your Medigap coverage.

How Medigap Premiums Work

Understanding how insurers price Medigap helps you evaluate whether a low starting premium is actually a good deal over time. There are three pricing methods used in Florida:

Attained-Age Rated (Most Common in FL)

Your premium is based on your current age. It starts lower when you're younger and increases as you age, in addition to any general rate increases the insurer applies. Most Florida Medigap carriers use this model. The advantage is a lower initial premium; the trade-off is that costs rise predictably with every birthday.

Issue-Age Rated

Your premium is based on the age when you first buy the policy. It doesn't increase simply because you get older, though the insurer can still apply general rate increases for inflation or rising medical costs. If you enroll at 65, you get a lower rate that stays "locked" at that age tier. These policies cost more upfront but may save money over a 15- to 20-year span.

Community-Rated (No-Age-Rated)

Everyone pays the same premium regardless of age. A 65-year-old and an 80-year-old pay identical rates. These are less common in Florida but can be a good value for people who enroll later. General rate increases still apply, but age is removed from the equation entirely.

Beyond the Base Premium

Several factors affect your actual monthly cost:

  • Household discounts — many carriers offer 5%–12% off when both spouses enroll with the same company
  • Payment discounts — annual payment or autopay can save a few percent
  • Non-smoker discounts — some carriers offer lower rates for non-tobacco users
  • Rate increase history — an insurer with a low starting rate but aggressive annual increases may cost more over time than one that starts higher but raises rates modestly

When I compare plans for clients, I don't just look at today's premium. I pull the insurer's rate increase history over the last several years so you can see the trend. A carrier that's raised rates 3% annually tells a different story than one that's raised them 10%. This context matters when you're choosing a policy you may keep for decades.

Compare Medigap Plans With a Local Agent

I'm Max Bumgardner, and I live in The Villages® community. As an independent licensed Medicare agent, I help fellow residents evaluate their Medicare Supplement options by comparing plans from the carriers I represent. We can meet in person, by phone, or on a video call — whichever works for you. No pressure, no cost, and no obligation.

Frequently Asked Questions About Medigap

What is the difference between Medigap and Medicare Advantage?

Medigap (Medicare Supplement) works alongside Original Medicare to cover your out-of-pocket costs like deductibles, coinsurance, and copays. You keep Original Medicare and add Medigap on top. Medicare Advantage replaces Original Medicare entirely with a private plan that includes its own network, copays, and out-of-pocket maximums. Medigap gives you freedom to see any Medicare-accepting provider nationwide with predictable costs, while Medicare Advantage often has lower premiums but requires using network providers and may have higher costs if you need significant care.

See our detailed Medicare Advantage vs. Medigap comparison.

When is my Medigap Open Enrollment Period?

Your Medigap Open Enrollment Period begins the month you turn 65 AND are enrolled in Medicare Part B, and lasts exactly 6 months. During this window, insurers must accept you regardless of health conditions and cannot charge more based on your medical history. If you delayed Part B because you had employer coverage, your Medigap Open Enrollment starts when you eventually activate Part B — not when you turned 65. Missing this window means insurers in Florida can deny you or charge higher rates through medical underwriting.

What is Florida's Medigap birthday rule?

Florida law gives Medigap policyholders a 30-day window around their birthday each year to switch to any Medigap plan letter that is equal to or lesser in benefits, from any insurer, without medical underwriting. The window runs from 30 days before your birthday through 30 days after. This is a valuable Florida-specific protection — it means you can shop for lower rates annually without worrying about being denied for health reasons, as long as you stay at the same plan level or step down.

Does Medigap cover prescription drugs?

No. Medigap plans sold today do not include prescription drug coverage. You need a separate Medicare Part D plan to cover medications. When choosing Medigap, it's important to enroll in Part D at the same time to avoid late enrollment penalties that increase your Part D premium permanently. We help coordinate both enrollments together so your coverage is complete from day one.

Can I switch back to Medigap if I try Medicare Advantage and don't like it?

You can attempt to switch back, but there's a significant catch. Outside of your original Medigap Open Enrollment Period, Florida insurers can require medical underwriting. If you developed health conditions while on Medicare Advantage, you could be denied Medigap coverage or charged substantially higher premiums. The one exception: if you're within your first 12 months on a Medicare Advantage plan, you have a guaranteed-issue right to return to Medigap. After that window closes, switching back becomes a health-dependent gamble.

How much does Medigap cost in Florida?

Medigap premiums in Florida vary by plan letter, insurer, your age, ZIP code, tobacco status, and whether the company uses attained-age, issue-age, or community-rated pricing. Plan N generally costs less than Plan G because of its small copay trade-offs. Premiums increase over time — how fast depends on the insurer's pricing model and rate history. We compare current rates from the carriers we represent so you can see the full picture before choosing.

THE VILLAGES® is a registered trademark of Holding Company of The Villages, Inc. Bumgardner Insurance Group is not affiliated with, or sponsored by, Holding Company of The Villages, Inc. or its affiliated entities.