Every fall, most of the attention during Medicare’s enrollment prep goes to premiums, deductibles, and drug formularies. Those matter, but they’re not the only thing that changes from one plan year to the next. A Medicare Advantage plan can also add or drop doctors, specialists, hospitals, and pharmacies from its network — sometimes without much fanfare. If you don’t check, you might not find out your cardiologist or your regular pharmacy is no longer covered until you’re already trying to use your new plan in January. Before AEP 2026 opens on October 15, it’s worth spending a little time confirming your providers and pharmacy are still in-network for Plan Year 2027.
Why Network Changes Catch People Off Guard
Medicare Advantage plans build their networks the same way most private insurance does: they negotiate contracts with specific doctors, hospitals, specialists, and pharmacies each year. Those contracts can end, get renegotiated, or simply not renew, and when that happens, a provider who was in-network last year might not be this year. Unlike a premium increase or a formulary change, a network change isn’t always front and center in the marketing materials you get in the mail. Your plan’s Annual Notice of Change letter may mention network updates only in general terms, which is one more reason to read it carefully rather than skim it. If you haven’t seen ours yet, our guide on how to read your ANOC walks through what to look for line by line.
How to Check If Your Doctors Are Still In-Network
The most reliable way to confirm a doctor is in-network for Plan Year 2027 is to check two sources, not just one. First, look up the plan’s online provider directory, which every Medicare Advantage plan is required to maintain. Second, call the plan’s member services line directly and ask about the specific doctor by name and location, since online directories can lag behind actual contract changes. It’s also worth calling your doctor’s office itself. Front desk and billing staff at most practices track which Medicare Advantage plans they accept each year, especially during AEP, and can often tell you faster than a plan’s call center can. Do this for every doctor you see regularly, not just your primary care provider, since a plan can keep your primary doctor in-network while dropping a specialist you also rely on.
How to Check Your Pharmacy — And Whether It’s “Preferred”
Pharmacy networks work similarly, but with an added wrinkle: not all in-network pharmacies are priced the same. Medicare Part D plans typically have both preferred pharmacies, where you pay lower copays or coinsurance, and standard in-network pharmacies, which are covered but usually cost more per prescription. An out-of-network pharmacy may not be covered at all, meaning you’d pay full retail price with no plan discount. When you’re checking your pharmacy for Plan Year 2027, confirm not just whether it’s in-network, but whether it’s preferred, since that distinction can meaningfully change what you pay at the counter. If you haven’t already reviewed your formulary for the coming year, our guide on reviewing your Part D drug coverage before AEP 2026 covers that process alongside the pharmacy question.
What to Do If a Doctor or Pharmacy Is Leaving Your Network
If you find out a doctor or pharmacy you rely on won’t be in-network for Plan Year 2027, you have a few paths forward. One option is to look at other Medicare Advantage plans available in your area that do include that provider or pharmacy — this is exactly the kind of comparison AEP exists for. Our guide on how to compare Medicare Advantage plans side by side walks through that process step by step. A second option is a PPO-structured Medicare Advantage plan, which typically allows out-of-network care at a higher cost rather than not at all. A third option worth weighing is switching to Original Medicare paired with a Medigap policy, since Original Medicare is accepted by any provider nationwide who takes Medicare, without the network restrictions that come with Medicare Advantage. Our Medicare Advantage versus Medigap guide compares that trade-off in more depth.
A Simple Checklist for AEP 2026
Before AEP 2026 opens, list out every doctor, specialist, and pharmacy you use regularly. For each one, confirm in-network status for Plan Year 2027 using both the plan directory and a direct phone call, and note whether your pharmacy is preferred or standard. If you’re comparing more than one plan, repeat this check for each plan you’re considering rather than assuming network status carries over between plans from the same insurer. This step takes real time, but it’s far easier to do now than to discover a gap after your new coverage has already started. For a broader rundown of everything worth checking before the window opens, see our AEP 2026 prep checklist, and if you’re newer to how Medicare Advantage networks work in the first place, our Medicare basics and coverage options pages are a good starting point.
Network and pharmacy checks don’t get the same attention as premiums and drug formularies, but they affect your actual day-to-day care just as much, if not more. A plan that looks perfect on paper isn’t much use if your cardiologist or your regular pharmacy isn’t part of it. Taking the time now, before AEP 2026 opens on October 15, means you can make that discovery on your own schedule instead of in the middle of a doctor’s appointment in January.
Have questions? Kayla Price is a licensed insurance agent serving NC, SC, GA, FL, VA, MD, MI, KS, TX, and OH. Call (866) 648-1578 or visit priceservicesgroup.com.