Every fall, Medicare beneficiaries have an opportunity to review their coverage and make changes for the coming year.
But there’s a detail many people overlook: not every Medicare decision follows the same enrollment rules.
You may be able to switch from Medicare Advantage to Original Medicare during Annual Enrollment, but that doesn’t necessarily mean you can purchase a Medicare Supplement policy without restrictions.
For Florida residents reviewing their coverage for 2027, understanding that distinction is important.
At Bates Hewett & Floyd, we believe choosing Medicare coverage should start with understanding how your options work—not simply comparing premiums or selecting a plan with the longest list of benefits.
Here’s what you should know before making changes during Medicare Annual Enrollment.
1. What Can You Actually Change During Medicare Annual Enrollment?
The Medicare Annual Enrollment Period (AEP) runs from October 15 through December 7 each year. Changes generally take effect January 1.
During this window, eligible Medicare beneficiaries can:
- Switch from Original Medicare to a Medicare Advantage plan.
- Switch from Medicare Advantage back to Original Medicare.
- Change from one Medicare Advantage plan to another.
- Join, switch, or drop a standalone Medicare Part D prescription drug plan.
These options give beneficiaries an opportunity to adjust coverage as their healthcare needs change.
However, Medicare Supplement (Medigap) policies follow different enrollment and eligibility rules.
That’s where understanding the difference between Medicare Advantage and Original Medicare becomes especially important.
2. Medicare Advantage vs. Original Medicare: What’s the Difference?
Both options provide access to Medicare-covered healthcare, but they work differently.
Original Medicare includes Part A (hospital insurance) and Part B (medical insurance).
It generally allows you to see any healthcare provider nationwide who accepts Medicare. You can add a standalone Part D prescription drug plan and may be able to purchase a Medicare Supplement policy to help with certain out-of-pocket costs.
Medicare Advantage (Part C) is offered through private insurance companies approved by Medicare.
These plans provide Medicare Part A and Part B benefits, except for certain services that remain covered by Original Medicare, and often include prescription drug coverage and additional benefits.
Many Medicare Advantage plans use provider networks and may have referral or prior authorization requirements.
Here’s how the two generally compare:
| Feature | Original Medicare | Medicare Advantage |
| Provider access | Any provider accepting Medicare | Varies by plan; HMO and PPO options available |
| Prescription coverage | Separate Part D plan generally needed | Often included |
| Annual out-of-pocket limit | No overall limit for Part A and B services | Required limit for covered Part A and B services |
| Additional benefits | Generally limited | May include dental, vision, or hearing |
| Supplemental coverage | Medigap may be available | Cannot be combined with Medigap |
Neither option is automatically better.
The right fit depends on your healthcare needs, preferred providers, budget, and how much flexibility you want.
3. The Biggest Misconception: You Can Always Switch Back Without Complications
This is one of the most important considerations during Annual Enrollment.
Let’s say you’ve had Medicare Advantage for several years and decide you’d prefer Original Medicare with a Medicare Supplement policy.
You can generally switch back to Original Medicare during AEP.
But purchasing a Medicare Supplement policy is a separate decision.
Outside certain guaranteed-issue situations, insurers may use medical underwriting to determine whether they’ll offer you a Medigap policy and at what price.
That means switching back to Original Medicare doesn’t automatically guarantee access to the supplemental coverage you want.
There are exceptions, including certain trial rights and other protections.
Before leaving Medicare Advantage, it’s important to understand whether you qualify for guaranteed-issue rights or could face underwriting.
4. Your Doctors and Healthcare Needs Should Help Guide Your Decision
When comparing Medicare coverage, the monthly premium is only one piece of the picture. Equally important is understanding how a plan supports the care you need and the providers you prefer.
Medicare Advantage plans come in different forms, including HMO and PPO options, each with its own approach to provider access and care coordination. Some plans are also specifically designed to support individuals managing certain chronic conditions.
For example, Medicare Advantage PPO plans may offer access to out-of-network providers, including those outside Florida, although costs and coverage rules can differ. Original Medicare generally allows you to visit any provider nationwide who accepts Medicare.
Neither approach is automatically better. What matters is finding coverage that aligns with your healthcare needs, preferred providers, and lifestyle.
Before making a change, consider:
- Are your current doctors participating in the specific plan?
- Are your preferred hospitals included?
- Do you need referrals for specialist visits?
- How does the plan handle out-of-network care?
- Do you spend part of the year outside Florida?
- Are there plan options designed to support your specific healthcare needs?
For retirees who travel frequently, split time between states, or manage ongoing health conditions, reviewing these details can help identify coverage that fits their circumstances.
5. Don’t Compare Plans Without Checking Prescription Coverage
Prescription coverage can change from year to year.
Even if your medications haven’t changed, your plan’s formulary, pharmacy network, or cost-sharing requirements might.
A medication that was affordable this year could fall into a different pricing tier next year or become subject to additional restrictions.
Before renewing or switching plans, review:
- Whether your prescriptions remain covered
- Medication tiers and estimated costs
- Preferred pharmacy options
- Prior authorization or step therapy requirements
- Any changes to your plan’s drug coverage
For Original Medicare beneficiaries, this means reviewing standalone Part D options.
For Medicare Advantage beneficiaries, it means checking prescription benefits within their plan, if included.
A familiar plan name doesn’t guarantee identical prescription costs next year.
6. Look Beyond the Premium to Understand Your Actual Costs
A $0 Medicare Advantage plan premium doesn’t mean healthcare is free.
You may still owe your Medicare Part B premium, along with deductibles, copays, and coinsurance depending on your plan and services.
Original Medicare also involves cost-sharing, which is one reason some beneficiaries consider Medicare Supplement coverage.
When comparing options, look at the complete financial picture:
Monthly costs: What will you pay in Medicare premiums, plan premiums, and any supplemental coverage?
Routine healthcare costs: What are the copays or coinsurance amounts for appointments, specialists, and medications?
Unexpected healthcare costs: What could you owe after hospitalization, surgery, or extensive treatment?
Medicare Advantage plans have annual out-of-pocket limits for covered Part A and Part B services. Original Medicare doesn’t have an overall annual out-of-pocket maximum for those services, although supplemental coverage may help reduce expenses.
The goal isn’t simply finding the lowest premium. It’s understanding your potential financial responsibility.
7. Review Your Annual Notice of Change Before Making a Decision
If you’re enrolled in Medicare Advantage or a Part D plan, your insurer generally sends an Annual Notice of Change (ANOC) each fall.
This document explains important changes taking effect the following year.
Pay attention to:
- Premium and deductible changes
- Copays and coinsurance
- Prescription coverage
- Provider network information
- Changes to additional benefits
Even if you’re happy with your current plan, reviewing this notice can help identify changes that may affect your healthcare experience.
Keeping the same plan doesn’t necessarily mean keeping the same costs or benefits.
8. What Happens If You Miss December 7?
December 7 is the final day of Medicare Annual Enrollment.
However, another enrollment window may be available depending on your coverage.
The Medicare Advantage Open Enrollment Period, January 1 through March 31, allows people already enrolled in Medicare Advantage to make one qualifying change, such as switching to another Medicare Advantage plan or returning to Original Medicare.
It does not provide the same enrollment options to everyone with Medicare.
Certain qualifying circumstances may also allow changes through Special Enrollment Periods.
Because these rules differ, it’s best not to assume you can make any change at any time.
Before You Make a Change, Ask These Questions
Whether you’re in St. Augustine, Palatka, Gainesville, The Villages, or a surrounding Florida community, your Medicare decision should reflect how you actually use healthcare.
Before changing coverage, ask yourself:
- Are my doctors, specialists, and hospitals accessible under this option?
- Are my prescriptions covered at a manageable cost?
- What could I pay during a year with significant healthcare needs?
- Do I need flexibility when traveling?
- If I’m leaving Medicare Advantage, do I understand my Medigap options?
- What is changing in my current coverage for 2027?
These questions can reveal important differences that aren’t obvious when comparing premiums alone.
Final Thoughts: Understand Your Options Before You Switch
Medicare Annual Enrollment gives you an opportunity to make changes, but that doesn’t mean every change is equally simple—or right for everyone.
The most important decision isn’t necessarily whether Medicare Advantage or Original Medicare is better.
It’s understanding which coverage structure fits your healthcare needs, financial priorities, and expectations for the coming year.
At Bates Hewett & Floyd, we believe informed decisions begin with clear answers.
Schedule a Medicare Coverage Review
If you’re considering changing Medicare plans for 2027, our team at Bates Hewett & Floyd can help you understand your options and the questions worth asking before making a decision.
Schedule a Medicare consultation before December 7 so you have time to review your coverage ahead of the enrollment deadline.