Quest Diagnostics is the world's leading provider of diagnostic information services, connecting clinicians and consumers with laboratory insights to support better health through smarter, simpler testing. The company works across clinical laboratory diagnostics, laboratory testing, specimen logistics and transport, and medical and scientific research. Its diagnostic information services help identify and treat disease, support healthy behaviors, and improve healthcare management for clinicians and consumers.
The reach of these services is substantial. Quest Diagnostics serves approximately half of all U.S. physicians and hospitals and reaches one in three American adults each year. The company employs nearly 57,000 people, among them more than 700 M.D.s and Ph.D.s, indicating a research-oriented culture alongside its clinical operations.
Supporting this work is a large North American logistics network of over 7,700 patient access points, roughly 2,000 patient service centers, more than 4,000 courier vehicles and nearly 20 aircraft, handling more than 73,000 stops daily. Operations are concentrated in the United States and North America, across the healthcare, diagnostics, clinical laboratories, and physician and hospital services sectors.
The company describes its mission as creating a healthier world, one life at a time, with an emphasis on delivering smarter, simpler testing.
