Quest Diagnostics

Lab Testing at Quest Diagnostics - Naperville

Quest Diagnostics Patient Service Center in Naperville, IL 60540.

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Popular tests at this location:

TSH Lipid Panel CBC A1C Testosterone Vitamin D CMP

Address

640 S Washington St Ste 140
Naperville, IL 60540
DuPage County

630-778-9606

Hours

Monday	5:30 AM – 3:30 PM
Tuesday	5:30 AM – 3:30 PM
Wednesday	5:30 AM – 3:30 PM
Thursday	5:30 AM – 3:30 PM
Friday	5:30 AM – 3:30 PM
Saturday	6:00 AM – 1:00 PM
Sunday	Closed

Nearby alternatives

Eohs - Naperville
100 Spalding Dr Ste 212, Naperville, IL 60540
0.4 mi
LabCorp Naperville
1020 E Ogden Ave Ste 208, Naperville, IL 60563
1.8 mi
Eohs - Bolingbrook
130 N Weber Rd Ste 105, Bolingbrook, IL 60440
4.9 mi
Quest Diagnostics - Bolingbrook - Employer Drug Testing Not Offered
484 W Boughton Rd Ste 100, Bolingbrook, IL 60440
5.1 mi
Quest Diagnostics - Woodridge - Employer Drug Screens Not Offered At This Location
7530 Woodward Ave Ste G, Woodridge, IL 60517
6.1 mi

About this location

Quest Diagnostics Patient Service Center. 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.