5 Costly Medicare Mistakes a Delray Beach Agent Can Help You Avoid in 2026

South Florida has one of the largest Medicare populations in the country, and Delray Beach sits right in the heart of it. That should mean plenty of good information, but in my experience it means the opposite: more TV ads, more celebrity spokespeople, more glossy mailers, and more confusion. Every year I sit down with retirees in Palm Beach and Broward County who made a Medicare decision that seemed reasonable at the time and is now costing them real money, sometimes for life.

The frustrating part? Every one of these mistakes is avoidable. Here are the five Medicare mistakes I see most often in Delray Beach and across South Florida, what each one actually costs, and how to sidestep all of them in 2026.

Mistake #1: Missing Your Initial Enrollment Period

Your Initial Enrollment Period (IEP) is the seven-month window around your 65th birthday: the three months before your birthday month, your birthday month, and the three months after. Miss it without qualifying employer coverage and Medicare doesn't just shrug, it penalizes you.

• The Part B penalty adds 10% to your premium for every full 12-month period you were late, and you pay that surcharge for the rest of your life.
• The Part D penalty adds roughly 1% of the national base premium for every month you went without drug coverage, also permanent.

The official enrollment windows and rules are laid out at Medicare.gov. If you're still working past 65 with employer coverage, you may be able to delay without penalty, but the rules are specific, and this is exactly the kind of situation where a quick conversation with an agent prevents a lifetime surcharge.

Mistake #2: Choosing a Plan Because the Premium Is $0

Delray Beach is saturated with ads for $0-premium Medicare Advantage plans, and the pitch is seductive: free coverage plus dental, vision, and a gym membership. But a $0 premium is not $0 cost. What matters is what you pay when you actually use care: specialist copays, hospital per-day charges, coinsurance on outpatient surgery, and the plan's out-of-pocket maximum, which can run several thousand dollars a year.

For some healthy retirees, a $0-premium plan is genuinely a good deal. For someone managing chronic conditions with frequent specialist visits, a plan with a modest premium and lower cost sharing, or a Medicare Supplement plan, often costs far less over the year. The premium is one number; your total annual cost is the number that matters.

Mistake #3: Missing Your Medigap Open Enrollment Window

This is the mistake almost nobody warns you about. When you first enroll in Part B, you get a six-month Medigap Open Enrollment Period during which carriers in Florida must sell you any Medigap plan they offer, regardless of your health. No medical questions, no denials.

Once that window closes, switching from Medicare Advantage to Medigap usually means passing medical underwriting. Develop a heart condition, diabetes, or a cancer history in the meantime and you can be turned down or charged much more. I meet Delray Beach retirees every year who want out of their Advantage plan's network restrictions and discover the Medigap door is now closed to them.

Your first Medicare decision is really two decisions: the plan you pick today, and the options you keep (or give up) for the future. That second part is what the TV ads never mention.

Mistake #4: Never Reviewing Your Plan During the Annual Election Period

Medicare Advantage and Part D plans change every single year: premiums, drug formularies, provider networks, and extra benefits all get reshuffled. The plan that fit perfectly in 2024 may quietly be the wrong plan in 2026, especially in South Florida, where hospital systems and carriers renegotiate contracts constantly.

The Annual Election Period (AEP) runs October 15 through December 7. That's your yearly chance to compare and switch with no penalty. At minimum, check three things every fall:

1. Your doctors: still in-network next year?
2. Your prescriptions: still on the formulary, and at the same tier?
3. The plan's Annual Notice of Change: that document your plan mails in September actually lists everything that's changing. Most people never open it.

We cover how the different enrollment windows work, including the ones for under-65 coverage, in our Florida Open Enrollment guide.

Mistake #5: Leaving Extra Help and Savings Programs on the Table

Thousands of Florida retirees on fixed incomes pay full price for Medicare when they don't have to. Two programs are chronically under-used:

• Extra Help lowers Part D prescription drug costs for people with limited income and resources. You can check eligibility and apply through the Social Security Administration.
• Medicare Savings Programs, run through Florida Medicaid, can pay your Part B premium and sometimes more.

Nobody sends you a letter saying you qualify. You, or an agent who knows to look, have to check. For a retiree on a tight budget, these programs can be worth well over a thousand dollars a year.

The Common Thread: Nobody Should Do Medicare Alone

Look at the five mistakes again. None of them come from carelessness. They come from a system with overlapping windows, permanent penalties, and marketing designed to sell one product rather than explain your options. A national 1-800 number reading from a script in another state can't tell you which plans your Delray Beach cardiologist actually accepts next year.

That's the case for working with a local, independent agent. I'm licensed in Florida, I work with every major Medicare carrier through HealthMarkets, and my help costs you nothing: carriers pay the same commission whether you enroll through me or through their call center. The difference is that I sit on your side of the table, check your doctors and prescriptions against real 2026 plan data, and make sure none of these five mistakes happens to you.