Quest Diagnostics Patient Service Center
About Quest Diagnostics
Quest Diagnostics 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 Diagnostics 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 appointment800 S Central Ave Ste 205, Glendale, CA, 91204
Walk-in lab appointment1500 S Central Ave Ste 326, Glendale, CA, 91204
Walk-in lab appointment4520 Sunset Blvd, Los Angeles, CA, 90027
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