What Are the Biggest Medicare Mistakes to Avoid?

Oklahoma • Medicare

What Are the Biggest Medicare Mistakes to Avoid?

Discover common Medicare mistakes Oklahomans make and how to avoid costly errors in retirement healthcare planning.

Medicare is full of rules, deadlines, and options. Unfortunately, many retirees in Oklahoma make mistakes that cost them money—or reduce their coverage. Here are the biggest Medicare mistakes to avoid in 2025.

Mistake 1: Missing Enrollment Deadlines

If you don’t sign up for Medicare Part B when eligible, you may face a lifetime penalty of 10% per year delayed. The same applies to Part D drug coverage.

Mistake 2: Choosing the Wrong Plan

Many seniors pick the cheapest plan without comparing networks, drug formularies, or out-of-pocket costs. This often leads to higher long-term expenses.

Mistake 3: Ignoring Annual Reviews

Medicare plans change yearly. Not reviewing your plan during open enrollment can mean missed savings or lost coverage for key prescriptions.

Mistake 4: Not Coordinating with Other Insurance

If you have employer or retiree coverage, Medicare rules can be complex. Failing to coordinate properly can leave gaps in coverage.

Anchor’s Role

Anchor Financial Group educates Oklahoma retirees on deadlines, comparisons, and coordination so they avoid costly Medicare mistakes.


Avoiding Medicare mistakes can save thousands. Anchor helps Oklahomans make confident choices.

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