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Quest Diagnostic Employee Directory

IT Services and IT ConsultingFlorida, United States501-1000 Employees

Quest Diagnostic has about 646 employees across 2 continents, most of them in North America. By country, the largest groups are United States Of America (97%) and India (3%). Analytics and Community & Social Services make up 27% of the profiles with a known department. Quest Diagnostic's workforce spans 19 departments. Quest Diagnostic's workforce fell 6% between January 2026 and November 2026.

Find Quest Diagnostic employees' phone numbers or email addresses

Quest Diagnostic Global Highlights

Location
Employees

North America
615

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  • United States Of America
    614
  • Mexico
    1

Asia
16

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  • India
    16

Europe
5

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  • United Kingdom Of Great Britain And Northern Ireland
    2
  • Ireland
    1
  • Switzerland
    1
  • Germany
    1

North America accounts for 97% of Quest Diagnostic's workforce, followed by Asia (3%).

Quest Diagnostic's Leadership

  • Supervisor at Quest Diagnostic
    C. M.
    Supervisor
    Mobile Phone
  • Supervisor at Quest Diagnostic
    N. K.
    Supervisor
    Mobile Phone
  • It Project Manager at Quest Diagnostic
    H. C.
    It Project Manager
    Mobile Phone
  • Senior Project Manager at Quest Diagnostic
    R. L.
    Senior Project Manager
    Mobile Phone
  • Supervisor Logistics at Quest Diagnostic
    A. L.
    Supervisor Logistics
    Mobile Phone
  • Supervisor at Quest Diagnostic
    M. Z.
    Supervisor
    Mobile Phone
  • Lab Manager at Quest Diagnostic
    A. H.
    Lab Manager
    Mobile Phone
  • Referral Supervisor at Quest Diagnostic
    B. Z.
    Referral Supervisor
    Mobile Phone

Quest Diagnostic Employee Metrics

100%
50%
0%
2026
2025
  • Analytics
  • Community & Social Services
  • Biotechnology
  • Program & Project Management
  • Support
  • Other

Analytics is the largest department at 15% of profiles with a known department, unchanged since January 2026, followed by Community & Social Services (12%, up from 11%) and Program & Project Management (11%, up from 10%).

Contact profiles from Quest Diagnostic

Name
Title
Contact
Location
Last Update
  • Supervisor at Quest Diagnostic
    C. M.
    Supervisor
    Mobile Phone
    Oct 27, 2026
  • Supervisor at Quest Diagnostic
    N. K.
    Supervisor
    Mobile Phone
    Oct 23, 2026
  • It Project Manager at Quest Diagnostic
    H. C.
    It Project Manager
    Mobile Phone
    Oct 27, 2026
  • Senior Project Manager at Quest Diagnostic
    R. L.
    Senior Project Manager
    Mobile Phone
    Oct 29, 2026
  • Supervisor Logistics at Quest Diagnostic
    A. L.
    Supervisor Logistics
    Mobile Phone
    Oct 23, 2024
  • Supervisor at Quest Diagnostic
    M. Z.
    Supervisor
    Mobile Phone
    Sep 04, 2026
  • Lab Manager at Quest Diagnostic
    A. H.
    Lab Manager
    Mobile Phone
    Aug 31, 2026
  • Referral Supervisor at Quest Diagnostic
    B. Z.
    Referral Supervisor
    Mobile Phone
    Sep 02, 2026
  • Supervisor Of Chemistry at Quest Diagnostic
    J. B.
    Supervisor Of Chemistry
    Mobile Phone
    Sep 14, 2026
  • Senior Project Manager at Quest Diagnostic
    L. S.
    Senior Project Manager
    Mobile Phone
    Sep 14, 2026

Frequently Asked Questions

What are the largest departments at Quest Diagnostic?

Minus sign iconPlus sign iconAnalytics is the largest department at 15% of profiles with a known department, unchanged since January 2026, followed by Community & Social Services (12%, up from 11%) and Program & Project Management (11%, up from 10%). Quest Diagnostic's workforce spans 19 departments.

Where are Quest Diagnostic's employees located?

Minus sign iconPlus sign iconQuest Diagnostic has about 646 employees across 2 continents, most of them in North America. North America accounts for 97% of Quest Diagnostic's workforce, followed by Asia (3%). By country, the largest groups are United States Of America (97%) and India (3%).

How has Quest Diagnostic's workforce changed over the past year?

Minus sign iconPlus sign iconQuest Diagnostic's workforce fell 6% between January 2026 and November 2026. Analytics has stayed at 15% of profiles with a known department.

How many employees does Quest Diagnostic have currently?

Minus sign iconPlus sign iconQuest Diagnostic has approximately 646 employees as of November 2026. These team members are located across 3 continents, including North America, Asia and Europe.

Who are Quest Diagnostic's key employees and leadership?

Minus sign iconPlus sign icon

As of November 2026, Quest Diagnostic's key employees include:

  • Supervisor: C. M.
  • Supervisor: N. K.
  • It Project Manager: H. C.
  • Senior Project Manager: R. L.
  • Supervisor Logistics: A. L.

Looking for contact data? Unlock accurate emails and phone numbers for your ideal prospects with LeadIQ.

What is Quest Diagnostic's most common email format?

Minus sign iconPlus sign iconQuest Diagnostic employees' email format typically follows the pattern of F.Last@questdiagnostics.com. Trying to find reliable and up-to-date employee contact data? Find more Quest Diagnostic email formats with LeadIQ.

What is Quest Diagnostic known for?

Minus sign iconPlus sign iconQuest Diagnostic operates in the IT Services and IT Consulting industry. You can contact Quest Diagnostic's main corporate office by phone at
+1-617-547-****
. Explore Quest Diagnostic's company overview page for more information.

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