Is Aetna Medicare or Medicaid? Understanding Which Programs Aetna Covers

Aetna offers plans under both Medicare and Medicaid, so the answer depends on which program you are looking at

Aetna is an insurance company that contracts with both Medicare and Medicaid to sell health plans. If you see an Aetna plan, you need to check which program it belongs to — the plan documents or your enrollment letter will say "Medicare Advantage" or "Medicaid" clearly. The two are separate government programs with different rules, costs, and coverage, so knowing which one you have matters for how you use your benefits.

Aetna is one of several large insurers (others include UnitedHealthcare, Humana, and Cigna) that sell plans under both programs. Being a large company does not make Aetna a government program itself — it is a private company hired to manage the plans and pay claims on behalf of Medicare or Medicaid.

Key Takeaways

Aetna Medicare Advantage plans are for people 65 and older or those with certain disabilities, and you must have Original Medicare first to join.
Aetna Medicaid plans are for people with lower incomes, and the income limits and coverage vary by state.
Your plan documents or enrollment letter will state whether your Aetna plan is a Medicare plan or a Medicaid plan.
The two programs have different deductibles, copays, and networks, so you cannot switch between them without changing your income or age status.

Aetna Medicare Advantage Plans

If you are 65 or older and enrolled in Original Medicare, you can choose an Aetna Medicare Advantage plan (also called Part C) during the annual enrollment period. These plans bundle your hospital, doctor, and prescription drug coverage into one plan run by Aetna instead of the government. You still pay your Medicare Part B premium to Medicare, but you also pay Aetna's monthly premium, which varies by plan.

Aetna Medicare Advantage plans often include dental, vision, or hearing coverage that Original Medicare does not cover. However, you are limited to Aetna's network of doctors and hospitals unless it is an emergency. If you travel or see specialists outside the network, you may pay more or have no coverage at all. Before you join, check whether your current doctors are in the plan's network.

You can switch back to Original Medicare during the annual open enrollment period (October 15 to December 7 each year) or during the Medicare Advantage Open Enrollment Period (January 1 to March 31). If you leave an Aetna Medicare Advantage plan, you may want to buy a Medigap supplemental policy to cover costs that Original Medicare does not pay.

Aetna Medicaid Plans

Aetna also sells Medicaid plans in some states for people with lower incomes. Medicaid is a joint federal and state program, so the income limits, covered services, and plan options differ by state. In some states, Aetna may not offer Medicaid plans at all. You can find out whether Aetna has a Medicaid plan in your state by contacting your state Medicaid office or visiting your state's Medicaid website.

Aetna Medicaid plans typically have low or no monthly premiums and cover doctor visits, hospital care, and prescription drugs. Some plans also cover dental, vision, or mental health services. Like Medicare Advantage, Medicaid plans use a network, so you choose doctors within that network. If you need care outside the network, you may have to pay out of pocket or get a referral first.

Medicaid may be able to access changes if your income rises or you gain access to other insurance. If you no longer meet your state's income limits, you will lose Medicaid coverage. Some states have programs that let you keep Medicaid for a short time after you start working, so ask your caseworker about work incentives if you are employed.

How to Tell Which Program Your Aetna Plan Belongs To

The easiest way to know is to look at your plan documents or the letter Aetna sent when you joined. The document will say "Medicare Advantage Plan" or "Medicaid Managed Care Plan" near the front. Your insurance card may also show which program — Medicare cards have a red, white, and blue design and a Medicare number, while Medicaid cards vary by state but usually show your state's name and a Medicaid number.

You can also call Aetna directly. The phone number is on your insurance card or in any letter from Aetna. Tell them your member ID, and they will confirm whether you are in a Medicare or Medicaid plan. If you are unsure which program you need, your state Medicaid office or your local Area Agency on Aging can help you figure out which one you may have access to for.

Costs and Coverage Differences

Medicare Advantage plans have monthly premiums that Aetna sets, plus copays when you see a doctor or fill a prescription. You also have an out-of-pocket maximum — once you spend that amount in a year, Aetna covers the rest. Medicaid plans usually have no or very low monthly premiums, and copays are often lower or free, depending on your state.

Both types of plans use networks, but the networks are different. An Aetna Medicare Advantage network is not the same as an Aetna Medicaid network, so a doctor who accepts one may not accept the other. Before you join any Aetna plan, ask for the provider directory or check online to see whether your doctors and hospitals are included.

What to Ask Aetna Before You Join

Before you enroll in any Aetna plan, ask these questions:

Is this a Medicare Advantage plan or a Medicaid plan?
What is the monthly premium, and what are the copays for doctor visits and prescriptions?
Is my current doctor in the network? (Ask for the provider directory.)
What is the out-of-pocket maximum, and when does it reset each year?
Does the plan cover the prescription drugs I take? (Ask for the formulary.)
Can I see specialists without a referral, or do I need one?
What happens if I need emergency care outside the network?

When to Contact Your State or Medicare

If you have a problem with your Aetna plan — such as a claim denial, a billing error, or a network issue — you can file a complaint with Aetna first. If Aetna does not resolve it, you can file a complaint with Medicare (for Medicare Advantage plans) or your state Medicaid office (for Medicaid plans).

If you think you have been wrongly denied coverage or a service, you have the right to appeal. Both Medicare and Medicaid have formal appeal processes. Aetna must tell you how to appeal in any denial letter. If you need help with an appeal, your state's Health Insurance Counseling and Advocacy Program (HICAP) or your state Medicaid office can guide you through the steps.

Frequently Asked Questions

Can I have both an Aetna Medicare Advantage plan and Medicaid at the same time?

Yes, if you may have access to for both. This is called "dual may be able to access" status. You would use Medicare Advantage for most care and Medicaid to cover costs that Medicare does not pay. Some Aetna plans are designed for dual-may be able to access people. Ask Aetna whether your plan is one of them.

What if I move to a different state?

Your Aetna plan may not work in another state. Medicare Advantage plans are usually state-specific, and Medicaid plans are always state-specific because each state runs its own program. If you move, you will need to enroll in a new plan in your new state during the appropriate enrollment period.

Can I switch from an Aetna Medicare Advantage plan to an Aetna Medicaid plan?

No. These are two different programs for different groups of people. To move from one to the other, your income or age would have to change in a way that makes you ineligible for one program and may be able to access for the other. Your state Medicaid office can tell you whether you may have access to for Medicaid based on your current situation.

How do I know if Aetna is accepting new members?

For Medicare Advantage, Aetna accepts new members during the annual enrollment period (October 15 to December 7) and the Medicare Advantage Open Enrollment Period (January 1 to March 31). For Medicaid, enrollment periods vary by state and plan. Contact your state Medicaid office or Aetna directly to find out when you can join.

What if I want to leave my Aetna plan?

For Medicare Advantage, you can switch during the annual enrollment period or the Medicare Advantage Open Enrollment Period. For Medicaid, you can usually change plans during your state's open enrollment period, which varies by state. Contact Aetna or your state Medicaid office for the exact dates.

This guide is for general information only and is not medical, financial, legal, or other professional advice. For decisions specific to your situation, consult a qualified professional. See our Editorial Policy.