Educational Disclaimer: This material is for general education only. It is not individualized financial, investment, tax, insurance, legal, or Medicare plan advice. Coverage options vary by plan, location, and individual circumstances. Consult a licensed Medicare professional before making enrollment decisions.
Start With the Network. Everything Else Comes After.
Before you compare premiums. Before you look at dental benefits. Before you evaluate the gym membership. Start with the network.
If your doctor is not in it, the rest of the plan is a different conversation.
That is the first lesson I share with every patient and family who comes to me with a Medicare Advantage question. I am Janae, a nurse practitioner, patient advocate, and certified Medicare insurance professional. I have sat in clinical settings where care decisions and coverage decisions collide. The network question is almost always where the friction begins.
Medicare Advantage plans can be excellent. They can also become a poor fit when the network changes, when a key specialist steps out, or when your healthcare needs shift. October 15 is the window that gives you the opportunity to look honestly at whether what you have still works for where you are.
This article walks you through how Medicare Advantage networks actually function, why they matter, what questions to ask, and how to evaluate whether your current plan is still serving you before enrollment decisions need to be made.
What Medicare Advantage Is — and What It Is Not
Medicare Advantage, also called Part C, is an alternative way to receive your Medicare Part A and Part B benefits. Private insurance companies offer these plans under Medicare approval. Most include Part D prescription drug coverage and many offer extra benefits that Original Medicare does not include, such as dental, vision, hearing, or over the counter item allowances.
What Medicare Advantage is not: it is not simply a richer version of Original Medicare. It is a different coverage system. The coverage works through the plan, not directly through the federal program. That distinction matters most when you need care.
With Original Medicare, you can generally see any physician, specialist, or hospital in the country that accepts Medicare. There is no network. There is no referral requirement. If the provider takes Medicare, you can use them.
With Medicare Advantage, the plan determines which providers are in your network. That network is not static. Plans update their networks annually. Providers join and leave. Hospital systems renegotiate. The network you enrolled with last October may not be the network you have next January.
How Medicare Advantage Networks Work in Practice
Medicare Advantage plans typically use one of two network structures:
HMO: Health Maintenance Organization
An HMO generally requires you to use providers within the plan network for care outside of emergencies. If you go to an out of network provider, you will typically pay the full cost unless it is a genuine emergency. Most HMO plans also require you to have a primary care physician who coordinates your care and provides referrals to specialists.
PPO: Preferred Provider Organization
A PPO gives you more flexibility. You can generally see both in network and out of network providers. In network visits come at lower cost sharing. Out of network visits are covered but at a higher cost to you. PPO plans typically do not require referrals for specialist visits.
The plan type shapes everything: which doctors you can see, whether you need a referral, what happens if you see someone outside the plan, and how much you pay at every step.
Why the Network Question Is Not a Detail — It Is the Foundation
In my clinical work, I have seen patients delay specialist care, skip follow up appointments, or travel significant distances because their Medicare Advantage network did not include the providers they needed. Sometimes they did not know the limitation until care was already needed.
That is the moment I most want to help people avoid. By the time care is urgent, the enrollment window is closed.
Here is what changes in networks every year and why it matters:
- Physicians and Specialists: A physician can leave a network at any time during the year — and their participation for the coming year is only confirmed once new contracts are signed. Just because your cardiologist, oncologist, or orthopedist was in your plan this year does not guarantee they will be in it next year. This is not unusual. It is routine.
- Hospital Systems: Hospital system contracts are negotiated separately from individual physician contracts. A physician who works within a hospital system may be in your plan while their associated hospital is not, or the reverse. Ask about both.
- Skilled Nursing and Rehabilitation Facilities: If you or a family member might need post acute care, skilled nursing, or rehabilitation services, confirm those facilities are in your plan’s network. This is a coverage area that often surprises people when care is already underway.
- Out of Area Situations: If you travel frequently, live part of the year in another state, or visit family in a different region, an HMO plan may leave you without non emergency in network coverage away from your primary service area. PPO plans typically cover more in those situations but at higher cost. Understanding what your plan does when you are away from home is a question worth asking before you need the answer.
From Tony’s Perspective: The Network Is a System Constraint
When I work with families on retirement planning, I think about constraint management. Medicare Advantage networks create real constraints on care access. For some families, those constraints are acceptable given the benefits the plan provides. For others, especially those managing complex or chronic conditions, those constraints can become costly in both financial and health terms.
A plan that saves you four hundred dollars a year in premiums but limits your specialist access, requires additional transportation, or adds administrative burden may not be the financial win it appears to be. The network question is a retirement planning question, not just a healthcare question.
From Janae’s Perspective: What I Tell Every Family
The families who come out of AEP with the most confidence are the ones who did one thing: they actually verified their doctors before renewing enrollment or switching. Not assumed. Verified.
It takes twenty minutes. Log into your plan’s website, search your physicians by name, and confirm they appear as participating providers for your specific plan in your specific county. Then call the provider’s office and confirm they are still participating. I recommend both steps because provider directories are not always updated in real time, and a provider who appears in the directory may have submitted a termination notice that has not yet been processed.
If that verification comes back clean, your plan may still be the right fit. If it does not, AEP is your window to make a different choice.
You do not need to switch if your plan still serves you well. But you need to know whether it does. That is what the verification process answers.
Challenge Conventional Wisdom
Conventional wisdom says: if you have not had any major problems, your plan is probably fine to renew.
The Legacy Shield perspective: a plan that worked well this year may not work well next year. Networks change. Your health needs change. Plan benefits and cost sharing change. The default to renew assumes stability that does not always exist in Medicare Advantage plans.
The better default is to spend twenty minutes verifying. If your plan passes the verification, renew with confidence. If it does not, you have the information you need to make a different choice.
What to Do Before October 15
- Locate your Annual Notice of Change. Plans send it by September 30. If you have not received it, contact your plan.
- Verify your providers in the plan’s online directory and by calling each provider’s office directly.
- Review your prescription list against your plan’s drug formulary.
- Check your plan’s premium, deductible, copayments, and maximum out of pocket for next year.
- Consider whether your travel patterns, geographic situation, or healthcare needs have changed in a way that affects what you need from a plan.
- If you have questions or would like help working through the evaluation, a complimentary Safety Net Review at LSFinancial.net is available. Bring your plan documents and your provider list. We will work through the network question together.
Five Questions to Answer Before October 15
- Are your primary care physician, key specialists, and preferred hospital still in your plan’s network for next year?
Do not assume. Log into your plan’s provider directory or call member services and verify for each provider by name. Confirm they are in network specifically for your plan type in your service area. Ask whether they are accepting new patients if you are establishing care, or whether they are continuing to participate if you have an existing relationship. - Did your plan’s Annual Notice of Change include network updates?
Plans are required to send the Annual Notice of Change by September 30. This document summarizes what is changing for the coming year. If your plan reduced its network, changed its referral requirements, or modified how it handles out of area coverage, that information is in this document. Many people do not read it. Read it. - Has your healthcare situation changed in a way that affects what you need from a network?
A new diagnosis. A referral to a specialist you have not seen before. A planned surgery or procedure. A move or extended time away from your primary service area. Any of these can change what you need from a network in ways that may not have been relevant when you enrolled. Evaluate the network against where your health is today, not where it was last year. - What does your plan require in terms of referrals and prior authorization?
Has your plan added prior authorization requirements for services you use? Has the referral process changed? These are administrative layers that affect how you access care, not just which providers you can see. Prior authorization requirements in particular can delay care that is time sensitive. Know what your plan requires before you need it. - What happens if you need care and your preferred provider is not in network?
What is your maximum out of pocket exposure if you use an out of network provider? What does your plan cover in a genuine emergency? What does it cover if you need urgent but care outside of emergencies when you are traveling? Knowing the answers before a situation arises gives you decision making ability. Not knowing them until care is needed limits your options significantly.
ABOUT THIS SERIES
This article is a part of Legacy Shield Financial’s Medicare Education Series running August through October 2026, ahead of the Medicare Annual Enrollment Period, which opens October 15. Over the next ten weeks, Janae Harris will guide readers through the decisions, questions, and fundamentals that matter before enrollment begins.
SAFETY NET REVIEW
A Legacy Shield Safety Net Review can help families identify strengths and gaps across protection, accumulation, retirement income, and healthcare cost planning. Visit LSFinancial.net to learn more.
Protect. Build. Leave a Legacy.