Quest Diagnostics

Lab Testing at Willowbrook Medical Center

Hospital outpatient lab in Willowbrook, IL 60527.

Hospital Outpatient Lab

This is a hospital outpatient lab. Most hospital outpatient labs accept walk-in third-party lab orders, but some require a physician referral or appointment. Calling ahead is recommended.

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Note: tests available at this location depend on its services. Confirm by calling before visiting.

Address

535 Plainfield Rd Ste C
Willowbrook, IL 60527
DuPage County

630-986-7501

Hours

Monday	8:00 AM – 5:00 PM
Tuesday	8:00 AM – 4:00 PM
Wednesday	8:00 AM – 5:00 PM
Thursday	8:00 AM – 4:00 PM
Friday	8:00 AM – 4:00 PM
Saturday	8:00 AM – 12:00 PM
Sunday	Closed

Nearby alternatives

LabCorp Hinsdale
522 W Chestnut St Ste 1b, Hinsdale, IL 60521
2.7 mi
Quest Diagnostics - Downers Grove
1113 Fairview Ave, Westmont, IL 60559
3 mi
La Grange Medical Center
911 W 55th St, Countryside, IL 60525
3.5 mi
Quest Diagnostics - Woodridge - Employer Drug Screens Not Offered At This Location
7530 Woodward Ave Ste G, Woodridge, IL 60517
5 mi
Metro Urgent Care 3, Inc
125 N La Grange Rd, La Grange, IL 60525
5.2 mi

About this location

Hospital outpatient lab. Quest Diagnostics operates one of the largest networks of clinical laboratories in the United States, offering a wide range of diagnostic tests for patients, physicians, and employers.

Listing last updated 2026-04-25.