Phone Number of 
Quest Diagnostics is 
1800-877-7004 / 1800-445-4032 / 973-520-2901 .
Quest Diagnostics is a healthcare corporation that provides clinical laboratory services.
 Quest Diagnostics integrated serves diagnostic testing, information, and services. The Quest Diagnostics operates a demotic network of full-service laboratories, rapid response laboratories, and patient service centers. It has 43,000 employees. It was organized in 1967 having central office in Madison, New Jersey, United States. Steve Rusckowski is the CEO of the organization. Paul Brown originator of the Quest Diagnostics Incorporated. The Diagnostics clinic also has been catalogued on Fortune Magazine’s "World’s Most Admired Companies" since 2008. Quest Diagnostics bought all the labs in 2012 from
 Umass Memorial Hospitals.
Head Office of Quest Diagnostics
The customers can visit the head office of the 
Quest Diagnostics on the below mentioned address or can make a call at the given number includes as:
Corporate Secretary's Office 
Quest Diagnostics Incorporated 
3 Giralda Farms 
Madison, NJ 07940 
Telephone No.'s: 
1800-877-7004 / 1800-445-4032 / 973-520-2901Email at: 
ChairmanoftheBoard@QuestDiagnostics.comInvestor Relations of Quest Diagnostics
The customers can get the info of the investor relations of 
Quest Diagnostics by calling the below person which includes as:
Dan Haemmerle
Executive Director: 
973-520-2900Email: 
Investor@QuestDiagnostics.comFor Computershare:P.O. BOX 30170
College Station, TX 77842-3170
Telephone inquiries: 
800-622-6757Call: 
781-575-4735Shareholder web: 
www.computershare.com/investorPrivacy Address of Quest Diagnostics
The customers can visit the below mentioned address for the privacy information of 
Quest Diagnostics including as:
Email: 
Privacy@QuestDiagnostics.comQuest Diagnostics 
Attention: Privacy Officer
1290 Wall Street West
Lyndhurst, NJ 07071
Call: 
800-222-0446, ext. 8954Compliance Officer of Quest Diagnostics
The users can also contact the below offered compliance officer of the 
Quest Diagnostics on the below contacts as:
Timothy Sharpe, Vice President: 
610-454-6500 
Quest Diagnostics Address 
The address of Quest Diagnostics is 3 Giralda Farms, Madison, New Jersey, United States.
Quest Diagnostics Email Address 
The email address of Quest Diagnostics is 
Privacy@QuestDiagnostics.com.
Quest Diagnostics Website 
The Website of Quest Diagnostics is 
www.questdiagnostics.com.
Quest Diagnostics Customer Support Service Phone Number 
The customer support phone number of Quest Diagnostics is 
1800-877-7004 / 1800-445-4032 / 973-520-2901 (Click phone number to call).
The postal and 
official address, email address and 
phone number (
helpline) of 
Quest Diagnostics Service Center and 
Quest Diagnostics customer service phone number  is given below. The  
helpline of Quest Diagnostics customer service phone number may or may not be 
toll free.
Click Here To View Quest Diagnostics Customer Service Phone Numbers