Quest Diagnostics

Lab Testing at Quest Diagnostics - Patterson Sperry

Quest Diagnostics Patient Service Center in Patterson, CA 95363.

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Popular tests at this location:

TSH Lipid Panel CBC A1C Testosterone Vitamin D CMP

Address

1045 Sperry Ave Ste D
Patterson, CA 95363
Stanislaus County

209-202-9293

Hours

Monday	7:00 AM – 3:30 PM
Tuesday	7:00 AM – 3:30 PM
Wednesday	7:00 AM – 3:30 PM
Thursday	7:00 AM – 3:30 PM
Friday	7:00 AM – 3:30 PM
Saturday	Closed
Sunday	Closed

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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.