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Quest Diagnostics

Lab Testing at Quest Diagnostics - Modesto Pelandale Ave

Quest Diagnostics Patient Service Center in Modesto, CA 95356.

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Popular tests at this location:

TSHLipid PanelCBCA1CTestosteroneVitamin DCMP

Address

3525 Pelandale Ave
Modesto, CA 95356
Stanislaus County
209-222-1754

Hours

Monday7:30 AM – 11:30, 12:30
Tuesday7:30 AM – 11:30, 12:30
Wednesday7:30 AM – 11:30, 12:30
Thursday7:30 AM – 11:30, 12:30
Friday7:30 AM – 11:30, 12:30
SaturdayClosed
SundayClosed

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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.