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Quest Diagnostics

Lab Testing at Quest Diagnostics - 5423 7th Ave

Quest Diagnostics Patient Service Center in Brooklyn, NY 11220.

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Address

5423 7th Ave
Brooklyn, NY 11220
Kings County

Hours

Monday9:00 AM – 12:00, 13:00
Tuesday9:00 AM – 12:00, 13:00
Wednesday9:00 AM – 12:00, 13:00
Thursday9:00 AM – 12:00, 13:00
Friday9:00 AM – 12:00, 13:00
Saturday9:00 AM – 12:00, 13:00
Sunday9:00 AM – 12:00, 13:00

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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.