What departments does Quest Diagnostic have?

Quest Diagnostic has employees across 13 departments including Sales, Military & Protective Services, Program & Project Management, Business, Human Resources.

What is the largest department at Quest Diagnostic?

The largest department at Quest Diagnostic is Program & Project Management with 7 employees.

Where are Quest Diagnostic employees located globally?

Quest Diagnostic has employees across 3 continents and 5 countries including India, Switzerland, United Kingdom Of Great Britain And Northern Ireland, United States Of America, Mexico.

How has Quest Diagnostic's team size changed over time?

Quest Diagnostic's team has decreased from approximately 336 to 323 employees based on available data.

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Quest Diagnostic Employee Directory

IT Services and IT ConsultingFlorida, United States501-1000 Employees

Quest Diagnostic is an information technology and services company based out of 3131 Lakeland Hills Blvd # 4, Lakeland, Florida, United States.

Find Quest Diagnostic employees' phone numbers or email addresses

Quest Diagnostic Global Highlights

North America
347

United States Of America
346
Mexico
1

Asia
7

India
7

Europe
3

United Kingdom Of Great Britain And Northern Ireland
2
Switzerland
1

Quest Diagnostic's Leadership

B. J.
Sales Director
Mobile Phone
Email
C. M.
Director, Infrastructure Services - Data Network/Network Security
Mobile Phone
Email
D. D.
Q-Suite Project Manager - Commercial
Mobile Phone
Email
E. G.
Information Technology -Sr. Project Manager- Clinical Franchise And Esoteric
Mobile Phone
Email
M. T.
Team Lead
Mobile Phone
Email
J. A. A.
Anatomic Pathology / Business Transformation Senior National Project Manager At Quest Diagnostics
Mobile Phone
Email
S. A. B. S.
Lead Phlebotomist Iii
Mobile Phone
Email
M. R.
Sr. Manager, Business Relationship Management
Mobile Phone
Email

Quest Diagnostic Employee Metrics

100%

50%

2026

2025

Analytics
Community & Social Services
Biotechnology
Program & Project Management
Support
Other

Contact profiles from Quest Diagnostic

Name

Title

Contact Info

Location

Last Update

J. P.
Senior Software Engineer
Mobile Phone
Email
United StatesMissouri
Mar 25, 2026
L. W.
Sr. Implementation Consultant
Mobile Phone
Email
United StatesNebraska
Oct 22, 2025
M. Y.
Sr Billing Rep Ii
Mobile Phone
Email
United StatesPennsylvania
Feb 17, 2026
H. W.
Sr. Data Management Analyst
Mobile Phone
Email
United StatesNew York
Apr 15, 2026
T. H.
Senior Tech Leadership
Mobile Phone
Email
United StatesKansas
Oct 19, 2025
B. W.
Senior It Security Specialist
Mobile Phone
Email
United StatesFlorida
Apr 16, 2026
R. E.
Senior Implementation Coordinator
Mobile Phone
Email
United States
Feb 28, 2024
R. H.
Senior System Analyst
Mobile Phone
Email
United StatesKansas
Mar 24, 2026
D. W.
Biometric Screener
Mobile Phone
Email
United StatesMaryland
Feb 17, 2026
D. Z.
Supervisor
Mobile Phone
Email
United StatesKansas
Mar 25, 2026

Frequently Asked Questions

What is Quest Diagnostic known for?

Quest Diagnostic operates in the IT Services and IT Consulting industry. The company's main headquarters is located in 3131 Lakeland Hills Boulevard #4 Lakeland, Florida 33805 United States; you can contact the main corporate office by phone at

+1-617-547-****

. Explore Quest Diagnostic's company overview page for more information.

What is Quest Diagnostic's most common email format?

Quest Diagnostic employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Quest Diagnostic email formats with LeadIQ.

How many employees does Quest Diagnostic have currently?

Quest Diagnostic has approximately 640 employees as of April 2026. These team members are located across 3 continents, including North AmericaAsiaEurope.

Who are Quest Diagnostic's key employees and leadership?

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

Sales Director: B. J.
Director, Infrastructure Services - Data Network/Network Security: C. M.
Q-Suite Project Manager - Commercial: D. D.
Information Technology -Sr. Project Manager- Clinical Franchise And Esoteric: E. G.
Team Lead: M. T.

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