Medicare AEP: What To Know and Deadlines

Medicare’s Annual Enrollment Period is an important time to review whether your current health coverage will continue to work for you in the year ahead. Even when you have been happy with your plan...

Nov 12 2026 14:00

Bruce Kern

Medicare’s Annual Enrollment Period is an important time to review whether your current health coverage will continue to work for you in the year ahead. Even when you have been happy with your plan, annual updates may affect its costs, provider access, prescription benefits, and extra services.

The Medicare Annual Enrollment Period, often called AEP or open enrollment, runs from October 15 through December 7. Elections made during this period generally become effective on January 1. You are not obligated to change coverage, but an annual Medicare review can help you avoid surprises and make sure your plan still supports your medical needs and budget.

Your Medicare Choices During Annual Enrollment

AEP gives people enrolled in Medicare an opportunity to reassess their health plan options as their circumstances change. Medical needs, medications, preferred doctors, and financial priorities can all look different from one year to the next. Annual Enrollment gives you a defined period to act on those changes.

If you have Original Medicare, which includes Medicare Part A hospital coverage and Medicare Part B medical coverage, you may decide that a Medicare Advantage plan is a better match for your needs. Medicare Advantage plans commonly combine hospital and medical benefits and may include Medicare Part D prescription drug coverage in a single plan.

On the other hand, a person currently enrolled in Medicare Advantage may determine that returning to Original Medicare better meets their priorities. Broader access to providers or the ability to pair Original Medicare with a Medicare Supplement, also known as Medigap, policy may be important considerations.

During AEP, you may also move from one Medicare Advantage plan to another. You can enroll in, change, or leave a standalone Medicare Part D plan as well. Medicare coverage decisions do not have to remain unchanged forever; this enrollment period allows beneficiaries to respond thoughtfully when their needs or available plan benefits evolve.

Why an Annual Medicare Plan Review Matters

It is wise to review coverage every year, even if your current plan has served you well. Medicare Advantage and Part D plans are provided by private insurance companies, and their plan details can be revised for the upcoming year.

Changes may involve insurance premiums, deductibles, copayments, coinsurance, provider networks, prescription drug coverage, and supplemental benefits. A plan that was convenient and cost-effective this year may operate differently next year. Comparing plan options can help you determine whether your coverage still fits both your healthcare needs and your expected out-of-pocket costs.

Prescription drug coverage should receive close attention during the Annual Enrollment Period. A plan’s formulary, or list of covered medications, may change from year to year. A medication could be placed in a different cost tier or become subject to additional coverage requirements, potentially changing what you pay at the pharmacy.

Doctor networks and pharmacy networks also deserve a careful look. Physicians, hospitals, and pharmacies may enter or leave a plan network before the next plan year begins. Confirming that the providers and pharmacies you prefer remain available through your plan can help prevent inconvenient coverage disruptions after January 1.

Consider More Than the Plan Premium

When comparing Medicare coverage, the monthly premium is often the first number people notice. However, a premium tells only part of the story. The plan with the lowest monthly payment is not always the one with the lowest overall cost.

Take time to consider deductibles, copays, coinsurance, annual out-of-pocket maximums, and the medical and prescription expenses you expect to have during the year. Looking at these costs together can give you a clearer picture of how a plan may affect your budget.

It is also helpful to compare supplemental benefits. Many Medicare Advantage plans provide benefits that are not included with Original Medicare. Depending on the plan, those added services may include routine dental care, vision insurance, hearing benefits, fitness programs, transportation support, or allowances for eligible over-the-counter health items.

Benefits such as dental services, eye exams, glasses and contacts, and hearing aids may be meaningful factors when comparing plans. Because these features can change annually, AEP is a useful time to see whether another plan provides benefits that better support your overall health and wellness.

Get Clear, Personal Medicare Guidance

Navigating Medicare can feel complicated because plans may differ in several ways at once. Comparing premiums, drug coverage, doctor networks, out-of-pocket costs, and additional benefits can make it difficult to identify the option that best fits your situation.

Working with licensed insurance agents can bring clarity to the process. A knowledgeable advisor can explain available Medicare options, review annual plan changes, and provide one-on-one guidance based on your healthcare needs and financial goals.

At Premier Benefit Services, our trusted advisors offer clear plan explanations and personalized insurance advice. As a family-run, independent insurance agency serving 25 states, Premier Benefit Services helps individuals receive real answers without pressure while evaluating Medicare coverage.

An annual review can still be valuable even when you choose to keep your existing plan. The purpose is not to switch plans every year. It is to make an informed choice using current information rather than assuming last year’s coverage will remain the best fit.

Use AEP to Review Your Coverage With Confidence

The Medicare Annual Enrollment Period is about more than making a change. It is an opportunity to verify that your existing health plan continues to support your care, your budget, and your priorities for the coming year.

Reviewing plan notices, comparing overall costs, checking your medications, and verifying your doctors and pharmacies can help you make a confident decision before the December 7 deadline. Whether you stay with your current coverage or select a different option, the goal is insurance that fits your life.

If you have Medicare questions or would like enrollment help reviewing your coverage, Premier Benefit Services is ready to assist. Our team can provide Medicare counseling, explain your health coverage options, and help you make a well-informed decision during Annual Enrollment.