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Quest Diagnostics

Client Services: (866) 697-8378
Courier/STAT: (866) 697-8378*
*Option 1 then option 6

To find the nearest Quest patient service centers by zip code:


5830 N. Downey Ave.
Long Beach, CA 90805

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Phone Number

(562) 633-6533


M, T, Th, F
7:30 am-5:30 pm

7:30 am – 4:30 pm

8:00 am – 12:00 pm

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