A local Medicare Annual Enrollment checklist for St. Louis Metro beneficiaries
Scott Joyce | Oct 08 2026 13:00
The Medicare Annual Enrollment Period runs from October 15 through December 7 each year. This is the time for people with Medicare to review their current coverage and, if needed, make changes that take effect on January 1. A few careful checks can help you avoid unexpected prescription, doctor, or out-of-pocket costs in the coming year.
For Medicare beneficiaries in Belleville and across the St. Louis Metro area on both the Illinois and Missouri sides, Annual Enrollment is a valuable opportunity to make sure your coverage still fits your health needs, budget, and preferred providers. You do not have to make a change simply because the window is open—but you should make an informed decision.
What Is Medicare Annual Enrollment?
Annual Enrollment, sometimes called Medicare Open Enrollment, is the yearly period from October 15 through December 7. During this window, people who are already enrolled in Medicare can review and change certain types of coverage for the following calendar year.
Depending on your situation, you may be able to:
- Move from one Medicare Advantage plan to another.
- Change from Original Medicare to a Medicare Advantage plan.
- Leave a Medicare Advantage plan and return to Original Medicare.
- Join, change, or leave a standalone Medicare Part D prescription drug plan.
Changes made during Annual Enrollment generally begin January 1. The deadline matters: after December 7, you may need to wait until another enrollment opportunity unless you qualify for a Special Enrollment Period.
Who Should Review Their Medicare Coverage?
Nearly everyone already enrolled in Medicare can benefit from an annual plan review. Even if you are comfortable with your current Medicare insurance, plan details can change from year to year.
You should pay particular attention if you have had changes in your health, prescriptions, doctors, finances, or travel habits. A review is also important if you received an Annual Notice of Change from your plan. This document usually arrives in the fall and outlines changes to your coverage, costs, provider network, drug formulary, and benefits for the next year.
Show Me 65 regularly helps Medicare beneficiaries throughout Belleville, Illinois, Missouri, and the broader St. Louis Metro understand those notices in plain language. The goal is not to create unnecessary changes. It is to make sure you know what is changing and whether your current coverage continues to serve you well.
What Can Change From One Year to the Next?
A plan that worked well this year may look different next year. Medicare Advantage plans, Medigap plans, and Medicare Part D plans can all have important updates.
For example, your monthly premium may change. Your deductible, copayments, coinsurance, and annual out-of-pocket maximum may also be different. A prescription drug plan may move one of your medications to a different cost tier, add prior authorization requirements, or remove a drug from its formulary.
Provider networks can change, too. A doctor, specialist, hospital system, or pharmacy that was in-network this year may not be included next year. If you want to continue seeing a particular physician or using a preferred hospital in the St. Louis Metro area, confirm that the provider remains available under the coverage you are considering.
Your Medicare Annual Review Checklist
Before comparing Medicare plans, gather the information that reflects how you actually use health care. Having a clear list makes a Medicare plan comparison more accurate and less stressful.
- List your doctors and specialists. Write down the primary care physician, specialists, and other providers you want to keep. Confirm whether each provider participates in the plan network, if applicable.
- Check your hospitals and care facilities. Consider where you would prefer to receive routine, specialty, and emergency care. This may include hospitals in Belleville, St. Louis, Edwardsville, Collinsville, or another community you use regularly.
- Make a complete prescription list. Include each medication’s exact name, dosage, and how often you take it. This allows for a meaningful Medicare prescription drug review, including whether a medication is covered and what it may cost.
- Confirm your preferred pharmacies. Many Part D and Medicare Advantage plans use preferred pharmacy networks that can affect your costs. Check whether your neighborhood pharmacy, mail-order option, or preferred chain is included.
- Look beyond the monthly premium. A low premium does not automatically mean lower overall costs. Compare deductibles, office visit copays, specialist costs, hospitalization costs, diagnostic testing, drug expenses, and the plan’s out-of-pocket maximum.
- Consider travel and time away from home. If you visit family in another state, spend extended time outside Illinois or Missouri, or simply want flexibility when traveling, ask how the plan handles routine and emergency care away from home.
- Review dental, vision, hearing, and other added benefits carefully. These benefits can be useful, but coverage limits, provider requirements, and allowances vary. Make sure the benefits are practical for how you expect to use them.
Medicare Advantage Considerations
Medicare Advantage plans are an alternative way to receive Medicare Parts A and B benefits through a private insurance company. Many plans also include prescription drug coverage and may offer additional benefits such as dental, vision, hearing, fitness, or transportation support.
When reviewing Medicare Advantage options, pay close attention to the provider network. Some plans require you to use network providers except in emergencies, while others may offer more flexibility at a different cost. It is also important to understand referrals, prior authorization rules, copays, and the plan’s annual maximum for covered medical expenses.
Medicare Advantage can be a good fit for some people, particularly when the local network includes their doctors and hospitals and the plan’s cost structure matches their health care use. However, it is not automatically the right choice for every Medicare beneficiary.
Medigap and Original Medicare Considerations
Original Medicare includes Medicare Parts A and B. Many people who choose Original Medicare also consider Medicare Supplement insurance, often called Medigap, to help pay certain out-of-pocket costs that Original Medicare does not cover. Prescription drug coverage is typically obtained through a separate Medicare Part D plan.
When considering Medigap, look at the monthly premium, the benefits offered by the policy, and your need for provider flexibility. Original Medicare with a Medigap policy may allow you to see any provider that accepts Medicare, without the network structure commonly found in Medicare Advantage plans.
It is important to understand that Medigap enrollment rules can depend on timing and health underwriting in some situations. Before leaving a Medigap policy or changing coverage, speak with an independent Medicare advisor about the practical consequences of that decision. A change that appears simple on paper may affect your ability to obtain certain coverage later.
Why Local, Independent Guidance Matters
Medicare choices are personal. The right approach depends on your doctors, medications, preferred pharmacies, budget, health priorities, and travel needs—not on a one-size-fits-all answer.
Show Me 65 is an independent local Medicare agency based in Belleville and serving the St. Louis Metro area across Illinois and Missouri. Because Show Me 65 is not tied to one insurance company, an advisor can compare multiple carriers and explain available options without pushing a single plan type or a particular plan.
A no-cost, no-pressure consultation can help you understand Medicare coverage, compare Medicare Advantage and Medigap considerations, and review Part D prescription drug options with your own information in mind. Whether you are reviewing coverage for yourself or helping a parent, spouse, or loved one, personalized Medicare support can make the process more manageable.
FAQ
Do I have to change my Medicare plan during Annual Enrollment?
No. If your current Medicare coverage still meets your needs and you are comfortable with the changes for the coming year, you may keep it. The important step is reviewing the plan rather than assuming nothing has changed.
What is the deadline for Medicare Annual Enrollment?
The Annual Enrollment Period runs from October 15 through December 7. Plan changes made during that period generally take effect January 1.
Should I review my prescription drug coverage every year?
Yes. Drug formularies, pharmacy networks, deductibles, and cost tiers can change. A yearly prescription drug review can help identify whether your medications are still covered in a cost-effective way.
Can I switch from Medicare Advantage to Original Medicare?
In many cases, you can make that change during Annual Enrollment. However, if you want Medicare Supplement insurance, eligibility and underwriting may apply depending on your circumstances. It is wise to explore those details before making a final decision.
How can Show Me 65 help with Medicare enrollment decisions?
Show Me 65 provides clear, local Medicare help for residents of Belleville and the greater St. Louis Metro. An independent advisor can review your doctors, prescriptions, pharmacy preferences, costs, and coverage priorities while comparing multiple available carriers.
If you would like help reviewing your Medicare coverage before the December 7 deadline, call Show Me 65 at (618) 207-2080 or submit a consultation request. You can receive straightforward, no-cost Medicare guidance with no pressure to choose a plan that does not fit your needs.
