Quest Diagnostics is the world's leading provider of diagnostic information services, connecting clinicians and consumers with laboratory insights to improve health. Headquartered in the United States, the company serves approximately half of the country's physicians and hospitals, touching the lives of one in three American adults each year.
The company employs nearly 57,000 people, including over 700 M.D.s and Ph.D.s on its medical and scientific staff. Its operational scale extends across North America, where it operates over 7,700 patient access points, including approximately 2,000 patient service centers.
Quest Diagnostics maintains a substantial logistics network comprising over 4,000 courier vehicles, nearly 20 aircraft, and daily routes that make more than 73,000 stops. This infrastructure supports the company's role as a central provider of diagnostic testing and information services across the healthcare sector.
