Medicare AEP Deadlines and Why an Annual Review Matters
Glenn McDonald
Nov 09 2026 17:00

Medicare’s Annual Enrollment Period, often called AEP, is an important time to revisit your health coverage. Plans can change from year to year, even when you are happy with the coverage you have today. A yearly review can help you understand what is changing and decide whether your current plan still supports your healthcare needs and budget.

The Medicare Annual Enrollment Period runs from October 15 through December 7. Any approved changes generally become effective on January 1. You are not required to make a change during AEP, but reviewing your options can help you avoid unexpected costs, prescription coverage changes, or provider-network issues in the year ahead.

What You Can Change During Medicare AEP

Healthcare needs and financial priorities can shift over time. The Annual Enrollment Period gives Medicare beneficiaries a defined opportunity to update coverage when their current plan no longer feels like the right fit.

If you have Original Medicare, you may decide that a Medicare Advantage plan better matches your situation. Medicare Advantage plans combine hospital and medical coverage and may also include prescription drug coverage within the same plan.

On the other hand, a person enrolled in Medicare Advantage may choose to return to Original Medicare when broader provider access or supplemental coverage becomes a greater priority. AEP makes it possible to reconsider your coverage based on where you are now, rather than treating an earlier decision as permanent.

During this enrollment period, beneficiaries may be able to:

  • Move from Original Medicare to a Medicare Advantage plan.
  • Leave a Medicare Advantage plan and return to Original Medicare.
  • Switch from one Medicare Advantage plan to another.
  • Enroll in, change, or drop a standalone Medicare Part D prescription drug plan.

Why an Annual Medicare Coverage Review Is Worthwhile

Keeping the same plan may be the right decision, but it should be an informed one. Medicare Advantage and Part D plans are offered by private insurers, and plan details can be revised each year.

For example, monthly premiums, deductibles, copayments, coinsurance, provider networks, drug coverage, and extra benefits may not remain the same. A plan that delivered strong value this year may look quite different when the next plan year begins.

An annual review gives you an opportunity to compare available options against your current health needs and expected expenses. It is not about changing plans simply for the sake of changing; it is about confirming that your coverage remains appropriate.

As a Los Angeles insurance brokerage, Los Angeles Insurance Brokerage LLC helps seniors approach these decisions with clear information and personalized Medicare guidance. Reviewing plans before the deadline can make it easier to choose coverage confidently.

Review Prescription Drug Coverage Carefully

Prescription coverage is one of the most important items to examine during AEP. Every year, plans can update their formularies, which are the lists of medications they cover.

A medication may be placed in a different cost tier, added or removed from the formulary, or made subject to additional coverage requirements. These changes may affect what you pay at the pharmacy, even if your prescriptions have not changed.

Before making a decision, consider the medications you expect to take in the coming year and how each plan handles them. Comparing drug coverage can help you identify potential out-of-pocket costs before new coverage starts.

Pharmacy access also matters. A plan’s preferred pharmacy network may change, so it is helpful to confirm that the pharmacies you rely on remain available under the plan you are considering.

Confirm Your Doctors, Hospitals, and Pharmacies

Provider networks deserve the same attention as plan costs. Doctors, specialists, hospitals, and pharmacies may enter or leave a Medicare plan’s network from one year to the next.

Checking network participation before enrolling can help prevent avoidable disruptions after January 1. If maintaining access to particular healthcare providers is important to you, verify their status under the plan rather than assuming it will stay the same.

This review is especially useful if your health needs have changed or you anticipate seeing new specialists. A plan that is convenient for one person may not be convenient for another, which is why individual Medicare guidance can be valuable.

Consider Total Costs, Not Just the Premium

It is understandable to focus on a plan’s monthly premium, but the premium is only one part of the cost picture. A lower premium does not necessarily mean lower healthcare spending over the course of the year.

When comparing affordable insurance plans, look at the full range of possible expenses. This may include deductibles, copayments, coinsurance, annual out-of-pocket limits, expected medical services, and prescription drug costs.

Taking a broader view can provide a more realistic estimate of what a plan may cost. It can also help you avoid selecting coverage based on one number while overlooking expenses that may matter more to your personal situation.

Evaluate Extra Medicare Advantage Benefits

Many Medicare Advantage plans include benefits that Original Medicare does not generally cover. Depending on the plan, these additional services may include routine dental care, vision services, hearing benefits, fitness programs, transportation support, or allowances for over-the-counter health products.

These benefits can be meaningful, but they should be evaluated alongside the plan’s medical coverage, prescription coverage, network, and cost-sharing structure. Extra benefits may change annually, so reviewing them during AEP can reveal whether a plan still offers the value you expect.

For individuals who value dental and vision care, it can be helpful to understand how plan benefits compare with separate group vision and dental plans or other coverage options. The right choice depends on your specific priorities and anticipated needs.

How Medicare Guidance Can Help

Medicare plan comparisons can feel complicated because each option may combine costs, provider access, prescription coverage, and additional benefits differently. It can be difficult to determine which details will have the greatest impact on your healthcare experience and expenses.

Los Angeles Insurance Brokerage LLC provides Medicare support designed to make the process easier to understand. Our team can help explain available choices, review annual plan updates, and compare coverage based on your individual healthcare needs and financial goals.

Professional guidance can also bring reassurance when you decide to keep your existing plan. The purpose of an annual review is not to encourage a switch every year. It is to make sure your decision is based on current plan information instead of assumptions carried over from the prior year.

Use AEP to Prepare for the Coming Year

The Annual Enrollment Period is more than a deadline for making changes. It is an opportunity to determine whether your Medicare coverage continues to support your health, finances, and preferred way of receiving care.

Review plan notices, compare total costs, check your prescriptions, and confirm that your doctors, hospitals, and pharmacies are still part of the network. Completing these steps during AEP can help you enter the new year with greater confidence in your coverage.

For personalized Medicare guidance in Los Angeles, Los Angeles Insurance Brokerage LLC is here to help you understand your options. Our California insurance broker team can help you review your current coverage and make an informed decision before the Medicare AEP deadline.

FAQ

When is the Medicare Annual Enrollment Period?

Medicare’s Annual Enrollment Period runs each year from October 15 through December 7. Changes made during this time generally take effect on January 1.

Do I have to change my Medicare plan during AEP?

No. You do not have to make a change. However, reviewing your plan is important because costs, prescription coverage, provider networks, and supplemental benefits may change from one year to the next.

Can I change my Medicare Advantage plan during AEP?

Yes. During AEP, you may switch from one Medicare Advantage plan to another, move from Original Medicare to Medicare Advantage, or leave Medicare Advantage and return to Original Medicare.

Why should I check my prescription drugs during AEP?

Plans may revise their drug formularies each year. A medication could move to a different cost tier or become subject to additional coverage requirements, which may affect your out-of-pocket costs.

What should I compare when reviewing Medicare plans?

Review monthly premiums, deductibles, copayments, coinsurance, annual out-of-pocket limits, prescription drug coverage, provider and pharmacy networks, and available supplemental benefits. Los Angeles Insurance Brokerage LLC can help you review these details and better understand your Medicare options.