Quest Diagnostics

Lab Testing at Quest Diagnostics - Downingtown

Quest Diagnostics Patient Service Center in Downingtown, PA 19335.

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Popular tests at this location:

TSH Lipid Panel CBC A1C Testosterone Vitamin D CMP

Address

150 E Pennsylvania Ave Ste 210
Downingtown, PA 19335
Chester County

610-269-2233

Hours

Monday	6:30 AM – 3:00 PM
Tuesday	6:30 AM – 3:00 PM
Wednesday	6:30 AM – 3:00 PM
Thursday	6:30 AM – 3:00 PM
Friday	6:30 AM – 3:00 PM
Saturday	8:00 AM – 12:00 PM
Sunday	Closed

Nearby alternatives

LabCorp Downingtown
717 E Lancaster Ave, Downingtown, PA 19335
0.6 mi
Quest Diagnostics - Brandywine Village
1235 Horseshoe Pike, Downingtown, PA 19335
2 mi
Quest Diagnostics - Thorndale
3301 E Lincoln Hwy, Thorndale, PA 19372
3.2 mi
LabCorp Downingtown
110 Hopewell Rd Ste 240, Downingtown, PA 19335
3.6 mi
LabCorp Exton
80 W Welsh Pool Rd Ste 100, Exton, PA 19341
4 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.