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Quest Diagnostics

Lab Testing at Quest Diagnostics - Fremont 2191 Mowry - Employer Drug Testing Not Offered

Quest Diagnostics Patient Service Center in Fremont, CA 94538.

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Address

2191 Mowry Ave Suite 500b
Fremont, CA 94538
Alameda County

Hours

Monday6:30 AM – 5:00 PM
Tuesday6:30 AM – 5:00 PM
Wednesday6:30 AM – 5:00 PM
Thursday6:30 AM – 5:00 PM
Friday6:30 AM – 5:00 PM
Saturday6:30 AM – 11:00 AM
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.