If you are nearing Medicare eligibility or are already enrolled in Original Medicare, you may notice some coverage gaps. These gaps could result in unexpected out-of-pocket expenses.
That’s where Medicare Supplement (Medigap) plans come in. These plans give you peace of mind. They help cover costs like deductibles, copayments, and coinsurance that Medicare does not fully pay.
At O’Neal Insurance Group, we help people in Chicago compare and sign up for Medicare Supplement plans. If you are looking for coverage for the first time or want to switch, we can help. We will find a Medigap plan that suits your health care needs and budget.
What Are Medicare Supplement (Medigap) Plans?
Medicare Supplement plans, or Medigap plans, are private health insurance policies. They are designed to work with Original Medicare. This includes Part A and Part B. These plans help cover out-of-pocket costs like:
- Copayments for doctor visits and hospital stays
- Coinsurance for medical services
- Deductibles for Part A and Part B
Medigap in Chicago are policies are sold by private insurance companies, but they are standardized by the federal government. This means that no matter which insurer you choose, a Plan G or Plan N will offer the same benefits. The difference lies in premiums, additional features, and customer service.
Why Chicago Residents Choose Medigap Plans
Living in a big city like Chicago gives you access to some of the best hospitals and doctors in Illinois. But with quality care often comes higher costs.
Original Medicare only covers a portion of hospital and medical expenses, leaving you responsible for the rest. This can include:
- 20% coinsurance for most outpatient services
- Part A hospital deductibles per benefit period
- Excess charges from providers who don’t accept Medicare assignment
For many retirees, these costs add up quickly—especially if you require ongoing treatment or frequent specialist visits. Medigap plans help manage these expenses by providing predictable costs and reducing financial stress.
Types of Medigap Plans Available in Illinois
Medicare Supplement plans in Illinois follow federal guidelines. This means that the main benefits of each plan type are the same for all insurance companies.
The most popular Medicare Supplement Chicago plans include:
- Plan G: Covers everything except the Medicare Part B deductible. This makes it one of the best options for new enrollees.
- Plan N: Offers slightly lower premiums with some copayments for doctor and ER visits.
- Plan F: Available only to those who became eligible for Medicare before January 1, 2020. It covers all out-of-pocket costs.
Other popular plans (A, B, K, L, and M) offer different levels of coverage. This lets you balance monthly payments with out-of-pocket costs.
Comparing Medicare Supplement vs. Medicare Advantage
Many people confuse Medigap plans with Medicare Advantage plans, but they serve different purposes.
- Medigap: Works alongside Original Medicare, allowing you to see any doctor nationwide who accepts Medicare. It doesn’t include prescription drug coverage, so you may need a separate Part D drug plan.
- Medicare Advantage (Part C) replaces Original Medicare. It offers a bundled plan that often includes prescription drugs, dental care, vision, and wellness benefits. However, these plans typically have network restrictions (like HMOs or PPOs).
If you want to see doctors anywhere in the country, consider Medicare Supplement insurance. It also offers clear out-of-pocket costs.
Costs & Factors That Affect Medigap Pricing
The cost of Medicare Supplement plans in Chicago depends on several factors:
- Plan type: More comprehensive plans, like Plan G, usually cost more than basic plans.
- Pricing model: Illinois insurers may use community-rated, issue-age-rated, or attained-age-rated pricing.
- Age and health status: Younger and healthier enrollees typically enjoy lower premiums.
- Insurance company: Each insurer sets its premium rates, even for the same plan.
It’s important to work with a licensed agent. They can help you compare options from different insurance companies. This way, you can find the best value.
How to Enroll in a Medigap Plan in Chicago
You’re eligible to purchase a Medigap plan if you:
- Are enrolled in Medicare Part A and Part B
- Are age 65 or older (or under 65 with qualifying disabilities in Illinois)
The best time to sign up is during your Medigap Open Enrollment Period. This six-month period starts when you turn 65 and enroll in Part B. During this time, you can purchase any Medigap policy. You won’t need to go through medical checks. This means you cannot be denied coverage or charged more because of preexisting conditions.
If you miss this chance, you can still apply for coverage later. However, insurers may check your medical history. They might charge higher premiums or deny your application.
Prescription Drug Coverage & Other Add-Ons
It’s important to note that Medigap plans don’t include prescription drug coverage. To get help with medication costs, you’ll need a separate Medicare Part D drug plan.
You may also consider adding coverage for dental, vision, or hearing services. These can often be bundled for additional savings and convenience.
How O’Neal Insurance Group Helps
At O’Neal Insurance Group, we take the guesswork out of choosing a Medicare Supplement plan in Chicago. Our licensed insurance agents:
- Compare plans from top-rated insurance companies
- Explain the differences between Medigap, Medicare Advantage, and Part D plans
- Help you understand plan documents, copays, coinsurance, and exclusions
- Provide personalized recommendations based on your healthcare needs
We also make it easy to explore related coverage, like prescription drug plans, Medicare Advantage plans, and more.
For more details about additional Medicare options, visit our Medicare Plans Chicago page.
Related Pages
Chicago Medicare Advantage Plans
FAQs About Medicare Supplement Plans in Chicago
1. What’s the difference between Medigap and Medicare Advantage?
Medigap works with Original Medicare to help pay out-of-pocket costs. Medicare Advantage replaces Original Medicare with a bundled plan. This plan may include extra benefits.
2. Do Medigap plans cover prescription drugs?
No. You’ll need a separate Medicare Part D plan to get prescription drug coverage.
3. How much do Medigap plans cost in Chicago?
Costs vary by plan, insurer, and your age. On average, premiums range from $100 to $250 per month, depending on the coverage level.
4. Can I switch Medigap plans later?
Yes, but after your Open Enrollment Period, insurers can ask for medical information. They may charge higher premiums or deny coverage based on your health history.
5. When is the best time to enroll in a Medigap plan?
The Medigap Open Enrollment Period lasts for six months. It starts when you enroll in Medicare Part B. This is the best time to sign up. During this period, you have guaranteed issue rights.
Get Expert Help Choosing a Medigap Plan
Finding the right Medicare Supplement plan in Chicago doesn’t have to be stressful. Our team at O’Neal Insurance Group provides free consultations. We help you compare Medigap plans in Chicago. Our goal is to find the coverage that fits your lifestyle and budget.
Call (877) 808-2900 or request an appointment online today to get started.

