Medicare Open Enrollment (October 15 – December 7) is the one time each year when beneficiaries can review and adjust their health and prescription drug coverage. The stakes are high: the choices you make can impact your health care costs, coverage, and access to providers for the entire year ahead. Unfortunately, many people fall into avoidable traps that lead to costly mistakes.
Below are some of the most common pitfalls—along with real examples—and how working with an independent Medicare agent can help you avoid them.
Mistake #1: Ignoring the Open Enrollment Timeline
Example: Susan assumed she could update her plan in January when her prescriptions changed. By then, enrollment had closed, and she was locked into her old plan for another year.
How to Avoid It: Mark the enrollment dates on your calendar and set reminders. Any changes you make will take effect on January 1 of the following year.
Mistake #2: Assuming Your Current Plan Will Stay the Same
Example: John noticed his premiums jumped and his doctor was no longer in-network. He hadn’t read his Annual Notice of Change (ANOC) letter, which had listed these updates.
How to Avoid It: Review the ANOC carefully each September. Look at premiums, deductibles, covered drugs, and provider networks. Small changes can add up to big expenses.
Mistake #3: Choosing Based Only on Premiums
Example: Maria picked the lowest monthly premium plan. But when she needed a series of specialist visits, her copays and coinsurance added up to thousands more than a slightly higher premium plan would have cost.
How to Avoid It: Consider the total cost of care—not just the premium. Factor in deductibles, coinsurance, copayments, and prescription drug costs.
Mistake #4: Overlooking Prescription Drug Coverage
Example: Bill’s Part D plan dropped his brand-name medication from its formulary. He didn’t check during Open Enrollment and now pays full price at the pharmacy.
How to Avoid It: Review your prescriptions against your plan’s formulary every year. Use Medicare’s Plan Finder tool or ask an independent agent to run a side-by-side comparison for you.
Mistake #5: Not Checking Your Doctors and Providers
Example: Linda switched to a Medicare Advantage plan for the extra dental benefits. She didn’t realize her longtime cardiologist was out-of-network and now faces higher costs to keep seeing him.
How to Avoid It: Confirm that your doctors and hospitals are in-network before changing plans.
Mistake #6: Delaying Medigap Enrollment
Example: Tom waited several years after joining Original Medicare before applying for Medigap. When he finally did, he was denied due to a preexisting condition.
How to Avoid It: Enroll in Medigap during your six-month open enrollment window when coverage is guaranteed. After that, you may face higher costs or denials.
Mistake #7: Trying to Navigate It Alone
Example: Carol spent weeks comparing plans online but still felt uncertain. She later learned she had chosen a plan with a high out-of-pocket maximum that wasn’t the best fit for her budget.
How to Avoid It: Medicare is complex, and rules change every year. Working with an independent Medicare agent gives you access to a wide range of plans (not just one company’s) and expert guidance tailored to your situation. An agent can help:
-
Compare costs across multiple plans
-
Review your prescriptions and provider networks
-
Explain Medigap vs. Medicare Advantage options
-
Ensure you avoid penalties and coverage gaps
The Bottom Line
Open Enrollment is your opportunity to make sure your Medicare coverage fits your health needs and financial situation. Don’t let avoidable mistakes cost you more than necessary. Review your ANOC, check your prescriptions and providers, weigh total costs—not just premiums—and seek help when needed.
An independent agent acts as your advocate, ensuring you choose a plan that gives you peace of mind and protection for the year ahead.
