Quest Diagnostics Email Format

Medical and Diagnostic LaboratoriesNew Jersey, United States10001+ Employees

Quest Diagnostics is a medical and diagnostic laboratory company based in Secaucus, New Jersey. It offers a broad menu of more than 3,000 tests and provides cancer diagnostics, anatomic pathology services, and interpretive consultation through a medical and scientific staff of about 900 MDs and PhDs. It serves about one in three adult Americans and roughly half of the physicians and hospitals in the United States. Its network includes laboratories in most major metropolitan areas and facilities in Mexico, the United Kingdom, and India, and it operates about 2,250 patient service centers. On a typical workday it processes testing for about 550,000 patients, and in 2026 it announced investments to enhance digital ordering and electronic health record connectivity.

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