Medicare Coverage Gaps: What Treasure Coast Retirees Must Know

Retirement on the Treasure Coast sounds like a dream — warm weather, beautiful waterways, and a slower pace of life. But one thing that can disrupt even the most carefully planned retirement is discovering Medicare coverage gaps at the worst possible moment. Whether you’re newly enrolled in Medicare or you’ve been on it for years, understanding what Medicare does and doesn’t cover is one of the most important financial wellness steps you can take. Many retirees in Stuart, Port St. Lucie, and across Martin and St. Lucie counties are surprised to find that their Medicare benefits come with out-of-pocket costs, service limitations, and outright exclusions that can add up quickly if you’re not prepared.

What Are Medicare Coverage Gaps?

To understand Medicare coverage gaps, it helps to start with a quick overview of how Medicare is structured. Original Medicare consists of Part A, which covers hospital stays and inpatient care, and Part B, which covers outpatient services, doctor visits, and preventive care. Together, they form the foundation of healthcare coverage for most Americans 65 and older. But here’s where it gets important: Original Medicare was never designed to cover 100% of your healthcare costs. It was designed to cover a significant portion — not all of it. The spaces between what Medicare covers and what you actually owe out of pocket are your Medicare coverage gaps.

These gaps show up in several ways. First, there are cost-sharing gaps — deductibles, copayments, and coinsurance that you’re responsible for even when Medicare approves a service. For example, Medicare Part A has a deductible per benefit period (not per year), which means if you’re hospitalized multiple times, you could owe that deductible more than once. Part B has an annual deductible, plus a standard 20% coinsurance on most covered services, with no out-of-pocket maximum to protect you. Second, there are coverage gaps — services that Medicare simply does not pay for at all. Understanding both types is essential to making smart retirement planning decisions.

It’s also worth noting that Medicare coverage gaps can affect people very differently depending on their health status. A relatively healthy retiree who rarely sees specialists might not notice these gaps much in a given year. But someone managing multiple chronic conditions — which is common among retirees — may find that the 20% coinsurance on Part B services alone adds up to thousands of dollars annually. That’s why proactive awareness of these gaps matters so much, especially here on the Treasure Coast where many retirees are living active, full lives and want to stay that way for decades to come.

The Most Common Medicare Coverage Gaps Florida Retirees Face

When retirees in Florida start to really examine their Medicare benefits, a few common surprises tend to come up again and again. One of the most frequently encountered Medicare coverage gaps involves the Part B coinsurance. As mentioned, Medicare Part B typically pays 80% of approved costs, leaving you responsible for the remaining 20% — and there’s no cap on how much that 20% can cost you in a given year. If you need an expensive outpatient procedure or ongoing specialist care, that 20% can become a very large number very quickly. According to Medicare.gov, the standard Part B premium in 2024 is $174.70 per month, but the costs don’t stop there.

Another significant area involves hospital stays. Under Medicare Part A, you pay nothing for the first 60 days of an inpatient hospital stay (after meeting the deductible), but starting on day 61, a daily coinsurance charge kicks in, and by day 91, you’re drawing down on your “lifetime reserve days” with even higher daily costs. After 150 days, Medicare Part A pays nothing at all. For most retirees, a single extended hospital stay isn’t something they’ve budgeted for carefully, which is exactly why understanding these Medicare coverage gaps before you need the coverage is so critical. Proactive planning — not reactive scrambling — is the hallmark of a financially secure retirement.

Prescription drug coverage is another area where Medicare coverage gaps can catch people off guard. Original Medicare (Parts A and B) doesn’t cover most outpatient prescription drugs. That’s why Medicare Part D exists — as a standalone drug plan that you typically purchase separately. Even with Part D, however, there is the well-known “donut hole” or coverage gap, which is an additional layer of Medicare coverage gaps specific to drug plans. While the Affordable Care Act significantly reduced the financial impact of the donut hole over the years, beneficiaries can still face higher cost-sharing for prescriptions once they hit certain spending thresholds within their Part D plan. For retirees on multiple medications, this is worth examining closely each year during open enrollment.

Dental, Vision, and Hearing: The Overlooked Gaps

One of the most surprising Medicare coverage gaps for new enrollees is the lack of routine dental, vision, and hearing coverage under Original Medicare. Medicare Part A may cover dental work that’s part of a covered inpatient procedure — for example, jaw surgery following an accident — but it does not cover routine dental exams, cleanings, fillings, extractions, or dentures. Similarly, Medicare Part B covers certain diagnostic eye exams if you have a condition like glaucoma or diabetes, but it does not cover routine eye exams for glasses or contact lenses, nor does it pay for most eyewear. Hearing aids — which can cost thousands of dollars — are also not covered.

For Treasure Coast retirees who want to stay socially connected, active, and fully engaged with their communities, these particular Medicare coverage gaps can be deeply impactful. Poor oral health has been linked to cardiovascular disease and diabetes complications. Untreated hearing loss is associated with cognitive decline and social isolation. Uncorrected vision problems increase fall risk — a major concern for older adults. In other words, these aren’t just cosmetic concerns; they’re core to your overall health and quality of life. Planning financially for dental, vision, and hearing expenses is a meaningful component of your retirement healthcare strategy.

Some Medicare Advantage (Part C) plans do offer dental, vision, and hearing benefits that go beyond Original Medicare. This is one reason why comparing plan options carefully during open enrollment each year is so worthwhile. If you’re currently on Original Medicare and find yourself paying significant out-of-pocket costs for dental and vision care, it may be time to review whether your current plan structure is truly serving your needs. The team at The 1715 Podcast and our associated financial planning resources can point you toward helpful frameworks for thinking through these decisions.

Long-Term Care and the Biggest Medicare Gap of All

If there is one area where Medicare coverage gaps can have truly catastrophic financial consequences, it’s long-term care. Many retirees assume that Medicare will cover nursing home care or in-home care if they ever need it. Unfortunately, that assumption leads to some of the most painful financial surprises in retirement planning. Medicare does cover a limited amount of skilled nursing facility care following a qualifying hospital stay — up to 100 days, and only under specific conditions — but it does not cover custodial care, which is the kind of help most people actually need when they can no longer perform activities of daily living independently.

Custodial care — assistance with bathing, dressing, eating, toileting, and moving around — is the type of care that the vast majority of long-term care recipients need. And it is explicitly excluded from Medicare coverage. The costs of this care in Florida can be substantial. According to the Social Security Administration, the financial implications of an extended care need late in life are one of the primary threats to retirement security. The average private-pay nursing home cost in Florida runs several thousand dollars per month, and memory care facilities often cost even more. This is arguably the most financially consequential of all Medicare coverage gaps, and the one that deserves serious attention in any retirement plan.

Long-term care insurance, hybrid life insurance policies with long-term care riders, and asset-based strategies are all tools that some retirees use to address this particular gap. Medicaid — a separate, means-tested government program — does cover long-term custodial care, but qualifying requires meeting strict income and asset criteria. Strategic Medicaid planning is a specialized area of retirement finance that typically involves working with an elder law attorney and a financial planner. The key takeaway is that relying on Medicare to cover long-term care needs without additional planning leaves a very significant financial vulnerability in your retirement picture.

Options for Filling Medicare Coverage Gaps

The good news is that Medicare coverage gaps don’t have to stay gaps forever. There are several well-established options for building a more complete healthcare coverage picture. The first is Medicare Supplement Insurance, commonly known as Medigap. Medigap plans are sold by private insurance companies and are specifically designed to cover many of the cost-sharing gaps in Original Medicare — including that 20% Part B coinsurance, Part A hospital coinsurance, and in some cases the Part A deductible. There are standardized Medigap plan types (labeled A through N) that are regulated by the federal government, so the benefits for a given plan letter are the same regardless of which insurance company sells it to you. Premiums vary by insurer and location, so comparison shopping matters.

The second major option is Medicare Advantage (Part C). Rather than supplementing Original Medicare, Advantage plans replace it with an all-in-one private insurance alternative that typically includes Parts A, B, and often D. Many Medicare Advantage plans have low or $0 monthly premiums, which can be appealing — but it’s important to understand that these plans often use provider networks and may have different cost-sharing structures than Original Medicare. Some plans also include extra benefits like dental, vision, and hearing coverage that address some of the Medicare coverage gaps we discussed earlier. The trade-off is that your access to providers may be more limited, which is worth considering if you travel frequently or split time between locations — something many Treasure Coast retirees do.

A third consideration involves Health Savings Accounts (HSAs). If you’re still working and enrolled in a High Deductible Health Plan before transitioning to Medicare, you can contribute to an HSA and build a tax-advantaged reserve specifically for healthcare costs in retirement. Once you enroll in Medicare, you can no longer contribute to an HSA — but you can continue to use existing HSA funds tax-free for qualified medical expenses, including Medicare premiums, deductibles, and copayments. The IRS Publication 969 provides detailed guidance on HSA rules and qualified medical expenses, and it’s a useful reference for pre-retirees thinking about healthcare cost planning.

Planning Strategies for Treasure Coast Retirees

Understanding Medicare coverage gaps is one thing — actually building a financial plan around them is another. One of the most practical starting points is to simply calculate your potential out-of-pocket exposure under your current Medicare setup. Add up the Part A deductible, the Part B deductible, and your potential 20% coinsurance on services you’ve historically used or might need in the coming years. If that number gives you pause, it’s a signal to look more carefully at Medigap or Medicare Advantage options. Many retirees find that a modest monthly Medigap premium provides meaningful financial peace of mind relative to the unpredictable exposure that comes with Original Medicare alone.

Timing your enrollment decisions carefully is another important strategy. Medicare has specific enrollment windows — including the Initial Enrollment Period around your 65th birthday, the Annual Enrollment Period each fall, and Special Enrollment Periods for qualifying life events. Missing enrollment windows can result in late enrollment penalties that increase your premiums permanently, which effectively creates new out-of-pocket costs on top of the existing Medicare coverage gaps. If you’re approaching 65, mark your calendar and don’t assume you’ll automatically be enrolled — particularly if you’re not yet receiving Social Security benefits.

Another smart move is to review your Medicare plan every year during the Annual Enrollment Period (October 15 – December 7). Plan formularies, premiums, and benefit structures change year to year, and the plan that served you well last year might not be the best fit this year. Treasure Coast retirees who are managing new or evolving health conditions, adding prescriptions, or changing their care providers should make annual plan review a standard part of their fall financial wellness routine. Staying informed and engaged with your healthcare coverage is one of the most actionable things you can do to protect your retirement finances from unexpected healthcare costs.

Taking the Next Step

Medicare is an invaluable benefit — but treating it as a complete healthcare solution without accounting for Medicare coverage gaps can leave Treasure Coast retirees financially exposed when they least expect it. From the 20% coinsurance on outpatient care to the absence of dental, vision, and hearing benefits, from the limited skilled nursing coverage to the complete exclusion of custodial long-term care, these gaps are real and worth understanding thoroughly. The good news is that with the right information and thoughtful planning, most of these gaps can be addressed in ways that align with your budget, your health profile, and your retirement lifestyle.

The goal isn’t to alarm you — it’s to empower you. Knowing where the Medicare coverage gaps exist gives you the ability to make informed decisions about supplemental coverage, savings strategies, and long-term care planning before a health event forces the issue. Financial wellness in retirement isn’t just about investment returns; it’s about protecting what you’ve built from risks you didn’t anticipate. Healthcare cost exposure is one of the biggest risks retirees face, and closing these coverage gaps is one of the most direct ways to strengthen your overall retirement plan.

If you’d like to explore these topics further, we invite you to listen to the The 1715 Podcast episode, “Medicare Coverage Gaps: What Treasure Coast Retirees Must Know”, where we walk through these concepts in a conversational format designed specifically for retirees and pre-retirees in our community. And if you’d like to talk through how these considerations fit into your personal financial picture, we’d love to connect — reach out to schedule a conversation with our team. You’ve worked hard for this season of life. Let’s make sure your healthcare coverage is working just as hard for you.

This content is for educational purposes only and does not constitute investment advice. Past performance is not indicative of future results. Please consult a qualified financial professional before making any financial decisions.