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Medicare Supplement Plans in Illinois 2021

The best Medicare Supplement insurance plans in Illinois cover Medicare-approved, out-of-pocket expenses that you are expected to pay when you are enrolled in Medicare Part A and Part B. There are 10 Medicare Supplement plans, each designated by a different letter: A, B, C, D, F, G, K, L, M, and N. Depending on the plan you choose, some or all of these expenses are covered:

•    Copayments.

•    Deductibles.

•    Coinsurance.

Unlike Original Medicare insurance that is underwritten by the federal government, Medicare Supplement plans are sold by private insurance companies. The Illinois Department of Insurance regulates these companies and stipulates which Medicare Supplement plans in Illinois are offered.

Because these plans fill in the gaps in coverage of Original Medicare, they are also known as Medigap plans. Each company must offer the same benefits for a given plan. However, companies can set their own rates for a plan, so it pays to compare.

Medicare Supplement plans can be used with any doctor or healthcare institution in the U.S. that accepts Original Medicare. There are no preferred providers or geographical restrictions.

What are the Top 5 Medicare Supplement Plans in Illinois?

1. Best for full coverage: Plan F

Plan F offers full coverage and the highest level of benefit, Medicare Plan F will be the best choice. For this plan, the beneficiary must have a Medicare start date before 1/1/20. Plan F includes both Medicare Part A deductible and Medicare Part B deductible.

2. Best comprehensive coverage: Plan G

Medicare Plan G is the most popular and very comprehensive for individuals with an effective date post 1/1/20. If you compare this plan to Plan F, it is affordable, especially if you can choose either one.

3. Best value: Plan N

Medicare Plan N is great for those who want good coverage for a great value. Plan N will need you to trade certain benefits for monthly savings. For example, Plan N has $50 ER visit copays that will be waived if you are admitted.

4. Best for lowest premiums: High Deductible Plan F

For great cost savings and original Plan F benefits, this high deductible version is just as good. The only thing is that the annual deductible must be paid before your coverage starts. High Deductible Plan F is more affordable than regular Plan F.

5. High Deductible Plan G

This is an innovative plan that reduces monthly premiums when the annual deductible is met. When you compare Plan G with the Higher Deductible plan, you will see it is more affordable.

What is the Best Supplemental Insurance to go with Medicare?

In 2021, the most popular Medicare Supplement plan in Illinois is Plan G. Enrollees like this Medicare Supplement plan for its well-rounded benefits and affordable rates, even if you have pre-existing conditions.

Plan G: Best comprehensive medical coverage

The Medigap Plan G covers the following:

– Allows you to see a U.S. doctor that accepts Original Medicare
– All of Medicare Part A coinsurance, copays, and deductibles
– Part B coinsurance and copayments

Plan G does not cover Part B deductible. With Plan G, those will be your only out-of-pocket costs. For Medicare coverage for a Prescription drug plan, you will need Medicare Part D Plan. See below:

– Medicare Part D Plan covers outpatient retail prescriptions

– Plan G does offer prescription drug coverage for all Part B medications

Other basic benefits of Plan G include:

  • The ability to change doctors anytime
  • The freedom to go to any hospital or facility for health care that takes Original Medicare
  • Covers 100% Excess Charges
  • Covers foreign travel emergency

Also, no referrals are needed with this plan, and you can go outside of the network.

Plan F: Best full coverage

Before 2021, Plan F was one of the best Medicare Supplement plans in Illinois for full coverage. It is available to those who were eligible for Medicare coverage prior to 1/1/2020.

Plan F includes Medicare Part B deductible as part of its cost, so you do not have to pay this expense. If you do not qualify for Plan F, then Plan G will be the next best Medigap policy to choose. The only difference is Plan G does not include the Medicare Part B deductible.

What is the Average Cost for a Medicare Supplement Plan in Illinois for 2021?

The average cost for a Medigap plan in Illinois will depend on the insurer. Pricing is based on factors such as community ratings that prices for any age, issue age that prices for the age you are when you purchase a plan and attained age whose premiums increase with age.

Common Illinois Medicare Supplement Plan Questions

What Companies Sell Medigap Plans in Illinois?

1. Cigna – For a Medigap plan in Illinois, this company is trusted by many and is very knowledgeable about the Medicare enrollment process. Cigna has over 165 million customers and is well established.

2. Aetna – As one of the largest insurance companies, Aetna has extensive extra benefits along with more $0 premium Medicare Advantage plans for their customers.

3. Mutual of Omaha – MOH is known for customer satisfaction and is considered financially stable for their customers. Also, they have local agents you can visit in person if needed.

When Can I Apply for a Illinois Medicare Supplement Plan?

Application can occur whenever but is best within the six-month Medigap Open Enrollment period. During this time, you can compare plan options and gain the best pricing for your Medicare benefits. See below for age specifics.

65 or older: When you enroll in Part B (it can’t be changed or repeated), you can get a Medigap Plan in Illinois.

Turning 65: Medicare beneficiaries can be enrolled on the first day of the month you turn 65. At this time, your six-month enrollment period begins. Being enrolled in Part B will be necessary.

Under 65: Eligibility may not be possible under 65. For some, it will depend on their state because some states are required to sell Medigap insurance to those under 65. These policies are generally more expensive.

Medicare supplement plans do not have enrollment periods. A Medigap plan in Illinois or in any state can be purchased at any time. Enrollment periods only apply to Part D Plans or Medicare Advantage plans. They also apply to someone aging into the Federal Medicare Program, retiring from group coverage, or someone losing a Medicare Advantage plan.

If you are signing up with Social Security, they will automatically enroll you into Medicare Part A and Medicare Part B at 65. The Federal Centers for Medicare & Medicaid Services handles the Federal Medicare Program.

In Illinois, if you’ve been receiving SSDI for 2 years, you are automatically eligible to enroll in Medicare Parts A, B, and D.

It is important to remember that you have guaranteed issue rights. This means that an insurance company can’t refuse you a Medigap policy if your Medicare Advantage Plan leaves Medicare, stops providing in your area, or you move out of one service area and into another.

Which is better, Medigap Plan G or Plan N?

Each of these Medicare plan options is great, but Plan G is more comprehensive. Although it has higher premiums, it is the most popular. Plan N has lower premiums, but this is because Medicare beneficiaries will be paying small portions as they use the plan. Also, Plan N does not cover Medicare Part B excess charges.

What is Medicare Supplement Insurance?

A Medicare or Medigap Supplement Insurance policy is a policy that fills in gaps for the Original Medicare plan. A Medigap policy is good to have because it will handle medical expenses, medical services, and supplies that will be related to your healthcare needs. A Medigap insurance will help pay copayments, deductibles, and coinsurance.

Is Plan G the Best Medigap Plan in Illinois?

How Much Does it Cost?

For a 65-year-old female, nonsmoker, Medicare Supplement Insurance plans for Plan G in Illinois (Chicago, Illinois/zip code: 60608) will be:

Medicare Plan G: $115-$120

High Deductible Plan G: $40-$45

What is the Plan G Deductible in 2021?

Medigap Plan G insurance policy has no Part A Deductible, only the Part B. This Medigap Plan in Illinois will require a $203 Medicare Part B deductible to be paid by the beneficiaries.

What does Medigap Plan G Cover in Illinois?

Related Topics

Plan G by State

Ready to Learn More?

My Medigap Plans is a rapidly growing resource for Medicare beneficiaries. We specialize in educating consumers on their options and guiding them through the process of plan selection. We work closely with some of the nations top rated carriers such as Aetna, Cigna and Mutual of Omaha. Compare our list of the 10 Best Medicare Supplement Insurance Companies or take a deeper look at the plans by reviewing our Medicare Supplement Plans Comparison Chart. Learn more or about Medicare Part D Prescription Drug plans, or request a Medicare Supplement Plan Quote.

Illinois Medicare Resources

State Links



Illinois Enrollment Statistics

As of 2018, the population of Illinois was 12,741,080. Approximately 15.2 percent of the population is over age 65. In 2016, the state ranked seventh in the nation in the number of Medicare beneficiaries, at 2,108,645, or 16 percent of the state population. Approximately 86 percent were enrolled because of age, and 14 percent were enrolled because of disabilities. Approximately 36 percent of all Medicare beneficiaries in Illinois, or 748,367 people, were enrolled in Medigap policies.

Nationwide, Illinois ranked seventh in total Medicare spending, at $22,520 million. The state ranked 14th in spending per Medicare beneficiary, at $11,116.

In 2015, the five most populous counties in Illinois and their inhabitants were:

•    Cook: 5,250,510

•    DuPage: 934,100

•    Lake: 701,710

•    Will: 690,490

•    Kane:    531,900

In 2017, the five counties with the highest number of enrollees with Original Medicare insurance were:

•    Cook County: 590,171

•    DuPage County: 118,056

•    Lake County: 90,264

•    Will County: 75,918

•    Kane County: 56,474

The most popular Medigap plans in Illinois are Plans F, G, N, D, and C. The number of enrollees in each plan are as follows:

•    Plan F: 513,440

•    Plan G: 102,874

•    Plan N: 47,658

•    Plan D: 23,021

•    Plan C: 21,807

Key Take Aways
  • There are 10 Medicare Supplement Plans in Illinois to choose from.
  • In Illinois, Medicare Supplement Plan G is the most popular plan.
  • Medigap Plans do not use a network, go wherever Original Medicare is excepted
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