Medicare Advantage in Illinois

When you become eligible for Medicare, you can enroll in Original Medicare through the federal government or enroll in a Medicare Advantage plan through a private insurer. 

With a Medicare Advantage plan (also known as Medicare Part C), you’ll receive coverage for everything Original Medicare covers and usually more. Plus, all of your health-care benefits—including medical, prescription, vision, etc.—will be handled by a single insurance company.

Thirteen insurance companies offer a total of 98 Medicare Advantage plans in Illinois.1 Of the 2.2 million Illinois residents enrolled in Medicare, just over 600,000, or 25%, are enrolled in Medicare Advantage plans.2

Medicare Advantage plan benefits

Medicare Advantage plans are required to cover inpatient (Medicare Part A) and outpatient (Part B) treatment like Original Medicare does. But most Medicare Advantage plans include additional benefits. Most commonly, Medicare Advantage plans also cover the following: 2

Illinois residents who have chronic illnesses may also have the option to purchase a Medicare Advantage plan that covers certain nonmedical benefits that would help improve their condition. Such benefits could include meal assistance, transportation coverage, and pest control.3

Medicare Advantage plan costs in Illinois

The chart below shows that the average cost of a Medicare Advantage plan in Illinois is $5,860 annually. Monthly premiums average about $60 in Illinois but could be higher or lower, depending on which county you reside in. The average prescription drug deductible in Illinois is only $76, which is quite a bit lower than other states.

Average annual cost $5,859.88
Average monthly premium $60.25
Average drug deductible $75.75
Annual max out-of-pocket $5,061.12

Table created from data at Data as of 6/2/2020.

Medicare Advantage insurers in Illinois

Here are insurance providers that offer Medicare Advantage plans in Illinois:

  • Humana
  • Lasso Healthcare
  • MoreCare
  • Sunrise Advantage Plan
  • WellCare
  • Zing Health

Top-rated Medicare Advantage providers

top rated provider icon stars

Each year, the Centers for Medicare and Medicaid Services (CMS) rates Medicare Advantage plans to help beneficiaries decide on which plan might be best for them. CMS takes into account 45 quality and performance factors—including how quickly plan participants receive care and customer complaints—and rates each plan on a scale of 1 to 5.3 

More than half of all Medicare Advantage plans that include prescription drug coverage (210 plans in total) have received at least 4-star ratings for 2020 by CMS. Ninety-two received ratings of 4.5 or above. One Illinois plan, the Quartz Health Plan, which is available in Winnebago County, received a 5-star rating. 

Overall, the Medicare Advantage plans available in Illinois average 3.5 to 4 stars, although not all counties have rating data available.4

Find the Medicare Advantage plan that fits you best

When it comes to selecting a Medicare Advantage plan, Illinoisans have choices. Most plans are either health maintenance organization (HMO) or preferred provider organization (PPO) plans.5

Low premiums
Must stay in-network
Must choose a primary care physician
Referrals required to see a specialist
More expensive premiums
Can go out-of-network at a higher cost
May or may not choose a primary care physician
No referrals needed to see specialists
May or may not have a network
In-network expenses lower than out-of-network
Plan is accepted by any doctor who agrees to the plan’s terms
Need written acceptance for coverage before each service
Similar to a health savings account (HSA)
Accompanied by high-deductible health plan (HDHP)
Money accumulated in savings rolls over each year
Cannot deposit personal funds into an MSA
Medicare Cost Plan
Hybrid between HMO and PPO
Enrollees not restricted to plan’s network
Some plans offer prescription drug coverage
Enrollees can return to Original Medicare at any time

Illinois residents can choose from 27 PPO plans and 64 HMO plans. Illinois also has two private fee-for-service (PFFS) plans, three medical savings accounts (MSA), and two Medicare Cost Plans.5 Which plans are available to you depends on where in Illinois you live.

Local resources in Illinois

  • Senior Health Insurance Program: A free health insurance counseling service that provides Medicare beneficiaries information on health insurance and assistance applying for coverage.
  • Illinois Department of Insurance: This state government agency handles questions and complaints about all types of insurance, including Medicare Advantage.


1. Medicare, “Find a Medicare Plan

2. Meredith Freed, Anthony Damico, and Tricia Neuman, Kaiser Family Foundation, “A Dozen Facts about Medicare Advantage in 2020,” April 2020. Accessed July 13, 2020.

3. Joanna Young, Sean Creighton, Thomas Kornfield, Shruthi Donthi, Avalere, “Medicare Advantage Beneficiaries Will Again See a Jump in Supplemental Benefit Offerings in 2020,” November 19, 2020. Accessed July 13, 2020.

4., “2019 Star Ratings Fact Sheet,” October 9, 2020. Accessed July 13, 2020.

5. Kaiser Family Foundation, “Medicare Advantage Plans, by Plan Type.” Accessed July 13, 2020.

Content on this site has not been reviewed or endorsed by the Centers for Medicare & Medicaid Services, the United States Government, any state Medicare agency, or any private insurance agency (collectively "Medicare System Providers"). is a DBA of Clear Link Technologies, LLC and is not affiliated with any Medicare System Providers.