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Quest Diagnostics Incorporated (DGX)

NYSE - Nasdaq Real-time price. Currency in USD
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146.01-0.83 (-0.57%)
At close: 04:00PM EDT
146.00 -0.01 (-0.01%)
After hours: 07:16PM EDT

Quest Diagnostics Incorporated

500 Plaza Drive
Secaucus, NJ 07094
United States
973 520 2700

IndustryDiagnostics & Research
Full-time employees50,000

Key executives

NameTitlePayExercisedYear born
Mr. James E. DavisChairman, CEO & President2.88MN/A1963
Mr. Sam A. SamadExecutive VP & CFO1.33MN/A1970
Mr. Michael E. PrevoznikSenior VP & General Counsel881.23kN/A1962
Ms. Catherine T. DohertyExecutive Vice President of Regional Businesses1MN/A1963
Mr. Karthik Kuppusamy Ph.D.Senior Vice President of Clinical Solutions840.3kN/A1970
Mr. Michael J. DeppeSenior VP, Corporate Controller & Chief Accounting OfficerN/AN/A1967
Mr. Murali BalakumarSenior VP, Chief Information & Digital OfficerN/AN/AN/A
Mr. Shawn C. BevecVice President of Investor RelationsN/AN/AN/A
Ms. Kristin Lee Wallace Esq.Senior VP & Chief Compliance OfficerN/AN/AN/A
Mr. Gary D. SamuelsSenior VP & Chief Communications OfficerN/AN/AN/A
Amounts are as of 31 December 2023, and compensation values are for the last fiscal year ending on that date. Pay includes salary, bonuses, etc. Exercised is the value of options exercised during the fiscal year. Currency in USD.


Quest Diagnostics Incorporated provides diagnostic testing and services in the United States and internationally. The company develops and delivers diagnostic information services, such as routine, non-routine and advanced clinical testing, anatomic pathology testing, and other diagnostic information services. It offers diagnostic information services primarily under the Quest Diagnostics brand, as well as under the AmeriPath, Dermpath Diagnostics, ExamOne, and Quanum brands to physicians, hospitals, patients and consumers, health plans, government agencies, employers, retailers, pharmaceutical companies and insurers, and accountable care organizations through a network of laboratories, patient service centers, phlebotomists in physician offices, call centers and mobile phlebotomists, nurses, and other health and wellness professionals. The company also provides risk assessment services for the life insurance industry; and healthcare organizations and clinicians information technology solutions. Quest Diagnostics Incorporated was founded in 1967 and is headquartered in Secaucus, New Jersey.

Corporate governance

Quest Diagnostics Incorporated’s ISS governance QualityScore as of 1 July 2024 is 3. The pillar scores are Audit: 3; Board: 8; Shareholder rights: 1; Compensation: 5.

Corporate governance scores courtesy of Institutional Shareholder Services (ISS). Scores indicate decile rank relative to index or region. A decile score of 1 indicates lower governance risk, while 10 indicates higher governance risk.