STD testing near Glen Ellyn, IL, with HIV tests explained
STD testing near Glen Ellyn, IL is available at Urgent Care Center of Westmont, about 7.4 miles southeast in Westmont, IL, including tests for HIV, chlamydia, gonorrhea and syphilis. Walk in seven days a week. Samples are collected on site, and a clinician walks you through the results.
From the 60137 ZIP code, take I-355 south to the Ogden Avenue (US 34) interchange, then head east through Downers Grove into Westmont, IL. The first clinic you reach is Immediate Care Center of Westmont Inside Jewel-Osco at 4 E Ogden Ave, with its own direct line at (630) 541-6113. The main clinic, Urgent Care Center of Westmont, is about 1 mile farther south at 29 N Cass Ave, Ste A.
Both clinics collect samples for STD and HIV tests.
Online check-in is for the Cass Ave clinic. The Jewel-Osco clinic takes walk-ins and phone calls.
The main number, (630) 324-6825, books either one and can confirm that a specific test is offered at Jewel-Osco.
Hours at both: weekdays 9 AM to 6 PM, Saturday and Sunday 9 AM to 5 PM.
Check in online before you get on I-355 to plan your arrival.
Testing for College of DuPage students
Glen Ellyn, IL is home to the main campus of College of DuPage. Some programs, jobs and clinical rotations ask for health screening, and some students simply want a routine sexual health check before a new semester or a new relationship. Bring any form your program requires, along with a photo ID.
Adult students can check in on their own, without a parent.
If you use a parent's insurance, the policyholder may receive a statement listing the visit. Self-pay starts at $125 for a general visit.
If you have not had the hepatitis B vaccine series, ask about it. The CDC lists hepatitis B and HPV vaccines among the ways to prevent STIs.
HIV test types and window periods (CDC: Getting Tested for HIV)
Test type
Sample
How soon it can detect HIV after exposure
Nucleic acid test (NAT)
Blood from a vein
10 to 33 days
Antigen/antibody lab test
Blood from a vein
18 to 45 days
Rapid antigen/antibody test
Finger stick
18 to 90 days
Antibody test
Blood or oral fluid
23 to 90 days
A negative result taken inside the window period may need to be repeated. The CDC advises retesting after the window period for the test you had. Your clinician will tell you which test was used and whether a repeat makes sense. Learn more on our HIV testing page and in how long it takes for an STD to show up on a panel.
Inside the exam room at our Westmont, IL clinics
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Urgent Care Center of Westmont, also known as Immediate Care Center of Westmont, has a team led by board-certified physicians. Your clinician asks about symptoms, partners and timing, without judgment, and then collects what the tests need: a blood draw for HIV and syphilis, a urine sample for chlamydia and gonorrhea, or a swab of a sore, the throat or the rectum. Every sample is collected on site. There are no self-collection kits.
When results are ready, a clinician explains them privately. Your information is protected under federal law; see our notice of privacy practices. Our main STD testing page lists every infection we test for.
Coverage, cost and the DuPage County option
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Our list of accepted plans includes Blue Cross Blue Shield (PPO), BCBS Advocate Good Samaritan (HMO), BCBS Medicaid Community, Cigna, Humana, UnitedHealthcare, Medicare, Meridian, CountyCare, Multiplan/PHCS, ACPN, USAMCO and State of Illinois Benefit Plans. Please call to confirm your plan. Our cost and insurance page has the details.
Self-pay visits start at $125, and you can ask what each test costs before it is ordered. Glen Ellyn, IL had 28,846 residents in the 2020 Census and sits in DuPage County. The DuPage County Health Department runs a confidential STD clinic at its Wheaton office for people 12 and older, which also offers HIV PrEP. Appointments are preferred there; our clinics take walk-ins.
Staying negative after a test
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The CDC lists practical ways to lower your risk once you know your status:
Use condoms correctly every time you have vaginal, anal or oral sex.
Get vaccinated against hepatitis B and HPV if it is recommended for you.
Have fewer partners, or stay in a mutually monogamous relationship with a partner who has tested negative.
Test regularly and share results with your partner.
Can I get an HIV test near Glen Ellyn, IL without an appointment?
Yes. Both of our Westmont, IL clinics take walk-ins seven days a week, about 7.4 miles southeast of Glen Ellyn in a straight line. A clinician collects a blood sample on site. To hold a spot, use online check-in for 29 N Cass Ave.
How long after an exposure should I wait to test for HIV?
It depends on the test. The CDC lists 10 to 33 days for nucleic acid tests, 18 to 45 days for lab antigen/antibody tests and 23 to 90 days for antibody tests. You can test sooner, but your clinician may recommend a repeat test after the window period.
Do College of DuPage students need insurance to be tested?
No. You can be seen with or without insurance. A general self-pay visit starts at $125, and you can ask what each test costs before it is ordered. If you have a plan, call (630) 324-6825 to confirm it is accepted.
Is one blood test enough to check for everything?
No single test covers every infection. Blood tests check for HIV, syphilis and hepatitis, while chlamydia and gonorrhea are usually tested with urine or a swab. Read which STDs cannot be tested for to understand the limits.
Where is the DuPage County STD clinic?
The DuPage County Health Department's STD clinic is at its Wheaton office on North County Farm Road. It serves people 12 and older, and appointments are preferred. Our Westmont, IL clinics are a walk-in alternative with weekend hours.
“I have been treated at Immediate Care of Westmont several times and consider it the best urgent care in the area. It is very easy to book an appointment online and I have never had to wait to be seen by the medical staff. The staff is very professional, efficient and friendly. I strongly recommend this facility.”
R S. · December 2025 · Google★★★★★
“This Immediate Care Center is just the best! Kelly always helps me and is so kind and thorough. Katie is great too! Everyone that works there is so friendly and genuinely cares. Highly recommend!”
Megan Z. · November 2025 · Google★★★★★
“These guys were great. Easy check in. Gave me water so I could do urine sample. Were helpful explaining cold sores. Stayed w my mom who has memory issues while I had to leave the room. All that & in & out quick.”
