Quest Patient Service Center
Quest empowers people to take action to improve health outcomes. Derived from the world's largest database of clinical lab results, our diagnostic insights reveal new avenues to identify and treat disease, inspire healthy behaviors and improve health care management. Quest annually serves one in three adult Americans and half the physicians and hospitals in the United States, and our 47,000 employees understand that, in the right hands and with the right context, our diagnostic insights can inspire actions that transform lives.
Quest is listed on the New York Stock Exchange (NYSE) under ticker symbol DGX.
Closest locations to this laboratory
At-home lab appointmentSkip the waiting room, we bring the lab to you.
Walk-in lab appointment3233 Foothill Blvd, La Crescenta-Montrose, CA, 91214
Walk-in lab appointment3600 N Verdugo Rd Suite 303, Glendale, CA, 91208
Walk-in lab appointment201 S Buena Vista St #225, Burbank, CA, 91505
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