Medicare Open Enrollment ended on December 7, and now you may be wondering what happens next. Whether you switched plans or kept your current one, the next few weeks give you a chance to confirm your coverage, review any changes for 2026, and prepare for your benefits to begin on January 1. Even if you didn’t enroll in something new, your costs, covered medications, and provider access may still look different next year, so this is the time to check the details.
Now That Open Enrollment Is Over
The Medicare Open Enrollment Period, often called AEP, was your window to make broad changes to your Medicare coverage. During this time, you could switch from Original Medicare to a Medicare Advantage plan, move from one Medicare Advantage plan to another, or change your Part D prescription drug coverage. You could also drop Medicare Advantage and return to Original Medicare with a separate Part D plan. All these options became unavailable once the enrollment period ended.
Any changes you made during Medicare Open Enrollment will take effect on January 1, 2026. If you didn’t make any changes, your current coverage will continue into the new year. However, that doesn’t mean everything stays exactly the same. Your plan’s premiums, copays, covered medications, and provider networks may have changed for 2026, even if you’re staying with the same plan. You should have received an Annual Notice of Change from your plan explaining any modifications.
Changes You Can Still Make
Just because Medicare Open Enrollment has ended doesn’t mean you’re completely locked into your current situation. The Medicare Advantage Open Enrollment Period runs from January 1 through March 31, 2026. During this time, if you’re currently enrolled in a Medicare Advantage plan, you can switch to a different Medicare Advantage plan or drop your Medicare Advantage coverage altogether and return to Original Medicare. If you switch back to Original Medicare during this period, you can also join a standalone Part D prescription drug plan.
It’s important to understand that this secondary enrollment period is more limited than Medicare Open Enrollment. You can only use it if you’re already enrolled in Medicare Advantage. You can’t use it to switch from Original Medicare to Medicare Advantage or to change your Part D plan if you have Original Medicare. The Medicare Advantage Open Enrollment Period exists to give people one more chance to adjust if they’re unhappy with their Medicare Advantage plan choice or if they discover issues with their coverage after it starts.
Beyond the Medicare Advantage Open Enrollment Period, you might qualify for a Special Enrollment Period based on specific life events. These include moving to a new service area, losing other health coverage, qualifying for Extra Help with prescription costs, or living in a long-term care facility. Special Enrollment Periods typically give you two months to make changes, though the exact timeframe depends on your qualifying event.
If you’re eligible for both Medicare and Medicaid, or if you receive Extra Help paying for prescriptions, you have additional monthly enrollment options. As of 2025, you can switch between standalone Part D prescription drug plans monthly, or move from a Medicare Advantage plan back to Original Medicare with Part D. Full-benefit dual eligible beneficiaries also have a monthly opportunity to enroll in integrated Dual Eligible Special Needs Plans that coordinate their Medicare and Medicaid benefits. However, you cannot switch between different Medicare Advantage plans outside the standard enrollment periods.
Steps to Take Right Now
If you enrolled in a new plan during Medicare Open Enrollment, you’ll need to confirm that your enrollment went through successfully. You should receive a welcome packet from your new plan by late December. This packet will include your member ID card, information about your coverage, and details about how to use your benefits. Contact your plan immediately if you don’t receive this packet by December 31 or if any information appears incorrect.
Check whether your current doctors and specialists accept your new plan. Even if they were listed in the plan’s directory during enrollment, it’s worth calling their offices to verify they’re still in network for 2026. Do this before January 1 if possible, so you have time to address any issues. You’ll also want to confirm that your prescriptions are covered under your new plan’s formulary and find out which pharmacies are in your network. If you take specialty medications, verify that your plan’s specialty pharmacy can fill your prescriptions without interruption.
Set up your payment method for your new plan’s premiums. Many plans offer automatic deduction from your Social Security check or bank account, which prevents missed payments and potential coverage gaps. You should also create an online account with your new plan’s website or mobile app. This gives you easy access to your coverage details, claims information, and digital ID card. Knowing how to use these tools now will save you frustration later when you need to check on a benefit or find a provider.
Preparing for January 1
Your 2026 coverage begins on New Year’s Day, so take time now to organize your Medicare information. Gather all your plan documents, including your Summary of Benefits, Evidence of Coverage, and provider directory. Keep your member ID card in your wallet and store a photo of it on your phone as a backup. If you take regular medications, fill any prescriptions before December 31 if you’re switching plans, ensuring you don’t experience a gap in your medication supply.
Review your plan’s requirements for referrals and prior authorizations. Some Medicare Advantage plans require you to get a referral from your primary care physician before seeing a specialist. Others require prior authorization for certain procedures, medications, or medical equipment. Understanding these requirements now prevents unexpected claim denials or out-of-pocket costs later. You should also familiarize yourself with your plan’s rules for emergency care, urgent care, and out-of-area coverage, especially if you travel frequently.
Create a system for tracking your healthcare expenses and claims throughout 2026. This helps you monitor whether you’re approaching any coverage limits, track your progress toward deductibles, and identify any billing errors quickly. Many people find it helpful to keep a simple spreadsheet or use their plan’s mobile app to stay organized. Good record-keeping becomes especially important if you have multiple providers or take several medications, as it helps you spot problems before they become serious issues.
Conclusion
The end of the Medicare Open Enrollment Period marks a transition point in your Medicare journey, not a finish line. Whether you made changes or kept your current coverage, you’ve got some work to do before January 1 to ensure a smooth start to 2026. Taking these steps now prevents confusion, billing issues, and coverage gaps that could affect your health and finances. For any questions or further assistance with Medicare, please call 866-633-4427 to speak with a Senior Healthcare Solutions Medicare expert.
