How to Compare Medicare Plans from NC Carriers Before Open Enrollment

Medicare’s Annual Enrollment Period runs from October 15 to December 7, 2026, and anything you change during those seven weeks takes effect January 1, 2027. It is the one window each year when almost everyone with Medicare can switch Medicare Advantage plans, change Part D drug coverage, or move between Original Medicare and Medicare Advantage. North Carolina had roughly 175 Medicare Advantage plans available in 2026, and the 2027 lineups will be different again, so the work worth doing is the comparison you make before the window opens.

Start with the Letter That Arrives in September

If you already have a Medicare Advantage or Part D plan, your carrier mails you an Annual Notice of Change (ANOC) by the end of September. It lists exactly what is changing about your plan for next year: premium, copays, deductible, which drugs stay on the formulary and at what tier, and which providers remain in network. Skipping is the most common and most expensive mistake people make during enrollment season. Staying put is a decision, too: a plan that worked for you this year can quietly become the wrong plan on January 1.

Read the ANOC with a highlighter and mark any of these three things:

1. Change to what you pay at the doctor or pharmacy
2. Prescription drug you take that moved tiers or came off the list
3. Provider or hospital dropping out of the network.

If none of those has changed and you are happy, you may not need to do anything. If any of them has, you have until December 7 to act.

The Comparison Checklist

North Carolina shoppers typically see plans from Blue Cross Blue Shield of North Carolina, Humana, Aetna, UnitedHealthcare, WellCare, Alignment Health Plan, and Cigna, though which carriers and plans are available depends on your county. Whichever names appear on your list, compare them in this order.

• Provider network. List every doctor, specialist, and hospital you want to keep, then check each one against the specific plan’s directory rather than the carrier’s general network page. In North Carolina this usually means confirming whether your plan includes Atrium Health, Duke Health, UNC Health, WakeMed, Novant Health, or Mission Health in the west. Network status can differ between two plans from the same carrier in the same county.
• Drug formulary. Every plan covers drugs differently. Make a list of your prescriptions with dosages and run it through each plan’s formulary tool. Check the tier, the copay, and whether the plan requires prior authorization or step therapy. For anyone taking several medications, the formulary difference is often worth more per year than any premium difference.
• Extra benefits. Dental, vision, hearing allowances, over-the-counter cards, and fitness memberships vary widely. Compare the dollar amounts in each plan’s benefit summary for the benefits you will genuinely use, not the length of the list.
• Total expected cost. Many plans carry a $0 premium, so premium is a poor way to choose. Compare copays, the annual out-of-pocket maximum, and what your drugs will really cost across the year. Part D also has an annual cap on what you pay out of pocket for covered drugs, which is worth confirming for the coming plan year.
• Star ratings. Medicare rates plans from 1 to 5 stars each fall based on quality and member experience. Use ratings as a screen rather than a verdict, because a strong rating attaches to a contract that may include plans whose network or formulary is wrong for you.

A Timeline for the Season

The comparison goes faster if you work it in the right order.

• Late September: read your ANOC and list your doctors and prescriptions.
• October 1: next year’s plan details become available on the Medicare Plan Finder, so you can compare 2027 plans against what you have now.
• October 15 to December 7: the enrollment window. You can change your mind as many times as you like, and the last change submitted before December 7 is the one that takes effect.
• January 1: new coverage begins. Confirm your pharmacy has your new plan on file before your first refill.

Enrolling early in the window costs nothing and leaves room to fix a problem. There is no advantage to waiting until December.

What You Can and Cannot Change During AEP

During the Annual Enrollment Period you can join, switch, or drop a Medicare Advantage plan, join, switch, or drop a Part D drug plan, and move in either direction between Original Medicare or Medicare Advantage. What the window does not do is guarantee you a Medicare Supplement policy. Medigap runs on its own rules, and outside your initial six-month Medigap enrollment period and a few protected situations, insurers in North Carolina can use medical underwriting. If you are weighing the two structures against each other, our guide to Medicare Advantage vs Medicare Supplement explains why that timing matters more than most people expect.

If you miss December 7 and you are already in a Medicare Advantage plan, you get one more chance during the Medicare Advantage Open Enrollment Period from January 1 to March 31, when you can switch to another Advantage plan or return to Original Medicare. If you stay on Original Medicare with a Part D plan, you generally wait until next October.

Comparing Carriers, Not Just Plans

Once your list is narrowed, the carrier-level differences are worth a look: how each handles referrals and prior authorization, the size and stability of its North Carolina network, and its record on customer service. Our comparison of BCBS vs Humana Medicare Advantage in North Carolina works through two of the state’s biggest names in detail. You can also review the Medicare Advantage plans available in North Carolina and Medicare Supplement plans in North Carolina to see the full range before you start comparing.

Why Work with a Local North Carolina Agent

A licensed local agent adds three things a website cannot. They know which networks are strong in your county, because a plan that works well in Wake County may be a poor fit in a rural western county. They can run your specific doctors and prescriptions across multiple carriers at once instead of one plan finder at a time. And they cost you nothing, because agents are paid by the carriers rather than by you, so the comparison is free either way.

An independent agency can show you plans from several carriers rather than one, which matters most during a season when every carrier is advertising at once. If you would rather have free, unbiased counseling from the state instead, North Carolina’s Seniors Health Insurance Information Program (SHIIP), run through the state Department of Insurance, provides it at no cost.

Frequently Asked Questions

When is open enrollment for Medicare?

Medicare’s Annual Enrollment Period runs from October 15 to December 7 every year. For 2027 coverage, that window is October 15 to December 7, 2026, and any change you make takes effect January 1, 2027.

What can I change during Medicare open enrollment?

You can join, switch, or drop a Medicare Advantage plan, join, switch, or drop a Part D prescription drug plan, and move between Original Medicare and Medicare Advantage in either direction. Buying a Medicare Supplement policy follows separate rules and may require medical underwriting depending on your situation.

What happens if I do nothing during open enrollment?

Your current plan generally renews automatically for the next year with whatever changes the carrier listed in your Annual Notice of Change, which arrives at the end of September. Doing nothing is a choice to accept those changes, so read the notice before deciding to stay put.

How do I compare Medicare Advantage plans in North Carolina?

Compare in this order: whether your doctors and hospitals are in the plan’s network, how your prescriptions price on its formulary, the extra benefits you will use, and total expected cost including copays and the annual out-of-pocket maximum rather than premium alone. Star ratings are a useful screen after those four.

Do Medicare agents charge a fee?

No. Licensed Medicare agents are paid by the insurance carriers, so their help costs you nothing and does not raise your premium. An independent agent can compare plans from several carriers at once, and North Carolina also offers free counseling through the state SHIIP program.

Get Your Comparison Done Before October 15

The people who have the easiest enrollment season are the ones who did the comparison in September, before the phones start ringing and the mailbox fills up. The licensed North Carolina agents at Mair Agency can review your current plan, check your doctors and prescriptions for next year’s options, and show you what changes on January 1, at no cost to you. Contact us to get your comparison on the calendar before the window opens.