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 has more than 6,600 patient access points, the most extensive network in the U.S., including phlebotomists in physician offices and more than 2,250 of our own patient service centers. It also has a medical and scientific staff of more than 600 M.D.s and Ph.D.s. Additionally, it has logistics capabilities, that include approximately 3,700 courier vehicles and 23 aircraft that collectively make tens of thousands of stops daily. Quest Diagnostics even offers physicians a test menu that is industry-leading in breadth and innovation. Our test menu ranges from routine biological tests to complex and specialized molecular and gene-based testing as well as anatomic pathology. Finally, it provides a broad range of solutions for employers, including workplace drug testing for employers and government agencies; the Blueprint for Wellness employee wellness service; and risk assessment services for the life insurance industry