Medicare Advantage Plans Illinois 2027

Nationally, large insurers are trimming PPOs and pulling plans from some counties for 2027. In Illinois, read your Annual Notice of Change, and if you received a non-renewal letter, choose a new plan before December 31, 2026.

Source: company announcements and CMS 2027 landscape data reported by Becker’s on October 1, 2026. For 2027, Wellmark, Blue Cross Blue Shield of North Dakota and Blue Cross Blue Shield of Mississippi are exiting Medicare Advantage as well.

Medicare Advantage, sometimes called Part C, lets you receive your Medicare benefits through a Medicare-approved private insurer. These plans cover everything Original Medicare Part A and Part B cover, with the exception of hospice care, which Original Medicare continues to pay for. Most also bundle Part D drug coverage, and many may tack on extras like routine dental, vision and hearing benefits.

The trade-off is that Medicare Advantage plans generally rely on doctor and hospital networks and may call for referrals or prior authorization for certain services. Each Medicare Advantage plan sets a yearly out-of-pocket maximum for covered medical care, something Original Medicare lacks. You still pay your Part B premium, along with the plan’s premium if there is one.

If Original Medicare is your preference, a Medicare Supplement (Medigap) plan covers some or all of what Medicare leaves unpaid and lets you use any U.S. provider that accepts Medicare. Since benefits are standardized by plan letter, compare what insurers charge for the same letter.

Plan letter determines Medigap benefits, which are standardized. Prices differ by insurer, age, ZIP code and tobacco use.

If you keep Original Medicare in Illinois, add a standalone Part D plan. Compare plans with your exact drugs and pharmacies using the 2027 Part D plan finder.

A non-renewal notice should have reached you in early October if your plan won’t be available in your county for 2027. Coverage doesn’t end immediately; it runs through December 31, 2026, which gives you time to decide.

Special Needs Plans (SNPs) are Medicare Advantage plans designed for particular groups. Their benefits, networks and drug lists are shaped around the members they serve, and many come with care coordinators. In 2027, SNPs are one of the few places large insurers are adding plans, even while cutting PPOs.

When you turn 65 in 2027, you get a seven-month Initial Enrollment Period: the three months before your birthday month, the birthday month itself and the three months that follow. If you sign up in the first three months, coverage begins on the first day of your birthday month.

When your income and savings are limited, two programs can greatly lower your Medicare costs:

If you qualify for both Medicare and full Medicaid, you may also be able to join a Dual Special Needs Plan. See help for low-income Part D beneficiaries.

The Senior Health Insurance Program (SHIP) offers free, unbiased Medicare counseling in Illinois. You can also call 1-800-MEDICARE any time or compare plans with a licensed agent at no cost.

Gather your Medicare card, a list of your drugs and doses, your doctors and your preferred pharmacies before you call. That way a long conversation becomes a quick one.

The Annual Notice of Change must reach members by September 30. It is the most useful single document you receive each fall, since it spells out exactly how your plan will change on January 1.

Outside of the fall and early-year windows, changing plans generally requires a Special Enrollment Period. Typical reasons include:

Every Special Enrollment Period has a separate time limit, so move as soon as the event occurs.

Prior authorization is required by most Medicare Advantage plans for certain services, including some surgeries, advanced imaging, skilled nursing stays and some drugs. While your doctor usually submits the request, ask whether a scheduled service needs approval so you are not caught off guard by a denial.

You or your doctor can appeal a denied request. Medicare rules give plans deadlines for decisions, and those deadlines are shorter when a wait could seriously harm your health.

Emergency and urgent care are covered by every Medicare Advantage plan anywhere in the U.S., whether in or out of network, and an emergency does not require prior approval. Routine care while traveling is different: HMOs generally do not cover it, and PPOs cover out-of-network care at a higher cost.

If you’re away from home for months each year, ask every plan how it covers care where you stay. This is among the most frequent reasons people change plans partway through the year.