Insights

Innovative Diagnostic Tests Quest Diagnostics offers a broad test menu with over 3,000 tests, including innovative new tests and a leadership position in cancer diagnostics. This extensive portfolio presents an opportunity to promote cutting-edge diagnostic solutions to healthcare providers seeking advanced testing capabilities.

Clinical Testing Network Expansion With the most extensive clinical testing network in the U.S. and presence in international markets like Mexico, the UK, and India, Quest Diagnostics has the infrastructure to address global testing needs. Sales teams can leverage this widespread network to target healthcare organizations and expand the company's reach internationally.

State-of-the-Art Connectivity Solutions Quest Diagnostics empowers healthcare organizations and clinicians with state-of-the-art connectivity solutions. This technology-driven approach offers sales opportunities to promote seamless data sharing and connectivity tools to institutions aiming to enhance patient care through digital solutions.

Focus on Cancer Detection The collaboration with MD Anderson to develop a cancer risk blood test and the Multi-Cancer risk Stratification blood test based on MD Anderson technology position Quest Diagnostics as a key player in cancer diagnostics. Sales reps can target oncology centers and health systems interested in advanced cancer detection methods.

Key Leadership and Expertise Quest Diagnostics boasts a highly qualified medical and scientific staff of approximately 900 M.D.s and Ph.D.s, indicating a deep pool of expertise. Leveraging this expert team, sales teams can engage with healthcare providers looking for trusted insights and interpretive consultations for complex cases.

Quest Diagnostics Tech Stack

Quest Diagnostics uses 8 technology products and services including Cloudera, PostgreSQL, Oracle, and more. Explore Quest Diagnostics's tech stack below.

  • Cloudera
    Database
  • PostgreSQL
    Database
  • Oracle
    Enterprise
  • Atlassian Jira
    Issue Trackers
  • Perl
    Programming Languages
  • Meltwater
    Social Media Analytics And Monitoring
  • ESRI
    Visualisation Software
  • Adobe Fonts
    Web Fonts

Media & News

Quest Diagnostics's Email Address Formats

Quest Diagnostics uses at least 2 format(s):
Quest Diagnostics Email FormatsExamplePercentage
F.Last@questdiagnostics.comJ.Doe@questdiagnostics.com
65%
LastF@questdiagnostics.comDoeJ@questdiagnostics.com
24%
First.Last@questdiagnostics.comJohn.Doe@questdiagnostics.com
8%
First.M.Last@questdiagnostics.comJohn.M.Doe@questdiagnostics.com
3%
LastFi@medfusionsvs.comDoeJo@medfusionsvs.com
51%
FLast@medfusionsvs.comJDoe@medfusionsvs.com
38%
Last@medfusionsvs.comDoe@medfusionsvs.com
7%
First_L@medfusionsvs.comJohn_D@medfusionsvs.com
1%
LastF@medfusionsvs.comDoeJ@medfusionsvs.com
1%
F.Last@medfusionsvs.comJ.Doe@medfusionsvs.com
1%
LastFir@medfusionsvs.comDoeJoh@medfusionsvs.com
1%

Frequently Asked Questions

Where is Quest Diagnostics's headquarters located?

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Quest Diagnostics's main headquarters is located at 500 Plaza Drive Secaucus, NJ 07094 US. The company has employees across 6 continents, including North AmericaAsiaEurope.

What is Quest Diagnostics's phone number?

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You can contact Quest Diagnostics's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Quest Diagnostics's stock symbol?

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Quest Diagnostics is a publicly traded company; the company's stock symbol is DGX.

What is Quest Diagnostics's official website and social media links?

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Quest Diagnostics's official website is questdiagnostics.com and has social profiles on LinkedIn.

How much revenue does Quest Diagnostics generate?

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As of July 2025, Quest Diagnostics's annual revenue reached $5B.

What is Quest Diagnostics's NAICS code?

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Quest Diagnostics's NAICS code is 6215 - Medical and Diagnostic Laboratories.

How many employees does Quest Diagnostics have currently?

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As of July 2025, Quest Diagnostics has approximately 30K employees across 6 continents, including North AmericaAsiaEurope. Key team members include Chief Executive Officer And President: J. D.Chief Executive Officer: A. S.Chief Quality & Regulatory Affairs Officer: A. B.. Explore Quest Diagnostics's employee directory with LeadIQ.

What industry does Quest Diagnostics belong to?

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Quest Diagnostics operates in the Medical and Diagnostic Laboratories industry.

What technology does Quest Diagnostics use?

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Quest Diagnostics's tech stack includes ClouderaPostgreSQLOracleAtlassian JiraPerlMeltwaterESRIAdobe Fonts.

What is Quest Diagnostics's email format?

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Quest Diagnostics's email format typically follows the pattern of . Find more Quest Diagnostics email formats with LeadIQ.

When was Quest Diagnostics founded?

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Quest Diagnostics was founded in 1967.
Quest Diagnostics

Quest Diagnostics

Medical and Diagnostic LaboratoriesNew Jersey, United States10001+ Employees

Quest Diagnostics (NYSE: DGX) 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.

The company offers physicians the broadest test menu (3,000+ tests), is a pioneer in developing innovative new tests, is the leader in cancer diagnostics, provides anatomic pathology (AP) services, & interpretive consultation through its medical & scientific staff of about 900 M.D.s & Ph.D.s. The company reported 2020 revenues of $9.44 billion. 

Quest Diagnostics offers the most extensive clinical testing network in the U.S., with laboratories in most major metropolitan areas, & in Mexico, the UK & India. The company also operates four esoteric laboratories, 40 outpatient AP laboratories, & 160 smaller, rapid-response laboratories. 

Patients may have specimens collected in any of the company’s approximately 2,250 patient service centers. On a typical workday, testing is performed for about 550,000 patients. 

Quest Diagnostics empowers healthcare organizations & clinicians with state-of-the-art connectivity solutions. 

The company is the leading provider of pre-employment drugs-of-abuse screening for employers & risk assessment services for the life insurance industry. It is the world’s 2nd largest provider of clinical trials testing for new pharmaceuticals.

More information is available at www.questdiagnostics.com.

Language Assistance / Non-Discrimination Notice
Asistencia de Idiomas / Aviso de no Discriminación
語言協助 / 不歧視通知
www.QuestDiagnostics.com/home/nondiscrimination

Section iconCompany Overview

Headquarters
500 Plaza Drive Secaucus, NJ 07094 US
Phone number
Stock Symbol
DGX
NAICS Code
6215 - Medical and Diagnostic Laboratories
Founded
1967
Employees
10001+

Section iconFunding & Financials

  • $1B

    Quest Diagnostics's revenue is in the range of $1B

Section iconFunding & Financials

  • $1B

    Quest Diagnostics's revenue is in the range of $1B

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