State of Illinois benefit plans: urgent care in Westmont, IL
Yes, State of Illinois Benefit Plans are on our accepted list (Sept 2026). The state offers more than one plan, so call (630) 324-6825 and we will confirm your specific plan. Urgent Care Center of Westmont, also known as Immediate Care Center of Westmont, is open 7 days in Westmont, IL.
The Illinois Department of Central Management Services, known as CMS, runs the State Employees Group Insurance Program, often shortened to SEGIP. Its website says the program provides health, dental, vision and life insurance for full-time and eligible state employees, including the university system, and for eligible dependents. Retirees and annuitants of the five state retirement systems can take part as well.
State employees pick a plan during enrollment, and the choices can differ by region and by year. Because of that, two coworkers can carry different cards. We will not guess your plan from your job. Look at the card and read the insurer name and plan name.
Common situations and who to ask
Situation
First call
Active state employee
The member services number on your card
Retiree or annuitant
The member services number on your card
Medicare-eligible retiree
Your TRAIL Medicare Advantage plan
Enrollment or eligibility question
Illinois CMS benefits staff
If you are on Medicare and a State retiree
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Illinois CMS says Medicare-eligible members can enroll in TRAIL Medicare Advantage Prescription Drug plans, which combine medical and drug coverage. Enrollees must keep paying their federal Medicare premium to stay in a TRAIL plan. Medicare Advantage plans are run by private insurers, so rules can differ from Original Medicare.
If that is you, see our Medicare page for background. Then call us with the name on your TRAIL card.
Checking urgent care coverage in plain steps
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Grab your cardFind the plan name and your ID.
Call the number on the cardAsk about urgent care, referrals and any rules for clinics in DuPage County.
Call (630) 324-6825We will confirm whether your plan matches our accepted list.
Come in or bookWalk in, or book online for the Cass Ave clinic.
Do not rely on an old booklet. Plans can change from year to year, so use your current card.
What to bring
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Current insurance card
Photo ID
A medicine list
Contact details for your regular doctor
For dependents, your own card and the child's name
Our team is led by board-certified physicians. State employees and retirees visit us for the usual mix of problems, and our clinicians can examine you, test, and recommend treatment.
Does my plan have a preferred network, and are we inside it?
Is a referral or approval needed for urgent care?
Does my plan treat a clinic visit differently from a hospital visit?
Who do I call if a bill looks wrong later?
Keep the answers with your card. When you come in, tell the front desk what your plan said, and we will help you line it up with what we can confirm.
Two clinics, one phone number to start
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Call (630) 324-6825. It is the main line and can book visits at both clinics. The Cass Ave clinic is at 29 N Cass Ave, Ste A, Westmont, IL 60559. The clinic inside Jewel-Osco is at 4 E Ogden Ave, phone (630) 541-6113. Hours are Monday to Friday 9 AM to 6 PM and Saturday and Sunday 9 AM to 5 PM.
Not sure it is urgent?
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If you can safely wait for your regular doctor, you may. If you cannot, urgent care is a good step. For anything life-threatening, call 911. The urgent care or ER tool can help, and the cost page shows other accepted plans.
Does urgent care take State of Illinois insurance?
Yes, State of Illinois Benefit Plans are on our Sept 2026 accepted list. Because the state offers multiple plans, call (630) 324-6825 and we will confirm your specific plan before you visit.
What is SEGIP?
SEGIP is the State Employees Group Insurance Program, run by Illinois CMS. It covers health, dental, vision and life benefits for eligible state employees, retirees and dependents.
Do state retirees on Medicare have different coverage?
They can. Illinois CMS says Medicare-eligible members can enroll in TRAIL Medicare Advantage plans. Call member services on your card and then call us at (630) 324-6825.
Do I need a referral?
It depends on your plan. Ask the member services number on your card before you go, and call us at (630) 324-6825 if you want us to check your plan against our list.
Which Westmont clinic should a state employee choose?
Either one. Pick 29 N Cass Ave if an X-ray might be needed, as imaging is only there. Both clinics take walk-ins.
What if my plan is not accepted?
We will tell you when you call. Self-pay visits start from $125. See our self-pay page.
“Alexa, Kelly, and the young man in the front desk are very kind! This is the first time everyone from a clinic is treating me with honest concern and kindness! Thank you all!!! God bless.”
Maricarmen C. · January 2026 · Google★★★★★
“Very friendly and helpful service! They were packed with it being holiday time, but they were very efficient.”
Brodie R. · December 2025 · Google★★★★★
“All staff, starting with the receptionist to the medical assistant to the doctor, were all kind and made me feel welcomed!! Easy to find and parking available”
