Quest Diagnostics Phone Numbers and Emails

Toll-Free Number:

  • (800) 877-7484
    Employer Solutions

Customer Service:

  • (800) 890-6220
    AmeriPath and Dermpath Diagnostics
  • (866) 358-9828
    Cleveland HeartLab
  • (800) 891-2917
    Diagnostic Laboratory of Oklahoma (DLO)
  • (800) 877-7484
    Employer Solutions
  • (800) 677-6726
  • (800) 553-5445
    Nichols Institute
  • (800) 336-3718
    Nichols Institute, Chantilly
  • (800) 421-4449
    Nichols Institute, Valencia
  • (800) 631-1390
  • +55 112 985 3341
    Diagnostic Testing And Services Brazil
  • +52 800 527 7534
    Diagnostic Testing And Services Mexico
  • +52 554 160 7777
    Diagnostic Testing And Services Mexico City
  • +52 555 089 1221
    Direct Consumers, Patients, and Physicians Mexico
  • +52 555 089 1203
    Regional Director, Mexico
  • +44 208 377 3400
    United Kingdom
  • +1 787 725 8243
    Worldwide Representative


  • (800) 222-0446

Investors/ Franchasing:

  • (973) 520-2900
    Investor Relations


  • (800) 222-0446 ext 8954
    Privacy Inquiries

Sales/ Reservations:

  • (866) 697-8378
    Questions about my order or Make an order

Quest Diagnostics Emails:

Investors/ Franchising
Patient Advocacy, Privacy Inquiries
More phone numbers and emails Less phone numbers and emails

Quest Diagnostics Contact Information

Quest Diagnostics Website:

Quest Diagnostics Online Chat:

Corporate Office Address:

Quest Diagnostics Incorporated
500 Plaza Drive
Secaucus, New Jersey 07094
United States
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Quest Diagnostics Rating Based on 368 Reviews

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Product or Service Quality

Rating stats

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Summary of Quest Diagnostics Customer Service Calls

03:19 AVG CALL

Top Reasons of Customers Calls

Consumers Call the Most From

Why Do People Call Quest Diagnostics Customer Service?

Payments and Charges Question:

  • “Billing issues”
  • “Pay bill”
  • “Bill”

Request for Information Question:

  • “Received a questionnaire from my you”
  • “I need help with a bill”
  • “About my account”

Account Question:

  • “Can't log in”
  • “Wifi password”
  • “My wife's name is spelled wrong on her quest account and the verify I'd site won't accept her ssn to correct her account”

Product/ Service Question:

  • “I had blood work done on the 10th I forgot to mention that my primary doctor Karakosysnwould like a copyLike a copy of the blood work done on the 10th and so she does not have to repeat bloodwork that was just done I had it done at 2601 Alameda”
  • “Bloodwork”
  • “They filed my labs under wrong insurance and I want pay until it is fixed”

Employment Question:

  • “Paycheck”
  • “Job trasfer”
  • “I need a copy of my w2 im an ex-employee”

Shipping and Delivery Question:

  • “My Dr never received lab results”
  • “Have not recieved my results”
  • “Never received lab results”

Staff Question:

  • “Lack of customer service”
  • “Extemely rude employees. Not the first time”
  • “Home home services”

Website/ Application Question:

  • “Application Status”
  • “Need web site support”
  • “Post vasectomy analysis site”

Activation/ Cancellation Question:

  • “Cancel appointment”
  • “Cancel appointmet”
  • “2 appointments at same quest diagnostic and both cancelled by quest”

Return/ Replace Question:

  • “Change appointment”
  • “I received a text that says return to the draw center for your collection now.No phone #?”
  • “When I got tested for the virus nobody was changing their gloves they used the same gloves and I was tested over there at Ruskin Florida 33570”

Cards Question:

  • “Wrong card on file”
  • “Did not give back inside. Card”

Refund Question:

  • “To get a refund from paying for own bloodwirk”

Other Question:

  • “Your mom”
  • “I can't see my results”
  • “Results”


Top Quest Diagnostics Services

Customer Care, Blood Test Procedure, Receptionist

Quest Diagnostics Pros and Cons

Pros: No one to help you over phone, Lab draw tech was skilled, Close to my house, Many locations, Availability

Cons: Horrible customer service, Disrespected by employee, Difficult to communicate with, Lab service, Failure to fix the problem

Related Companies

Athena Diagnostics, Care360, Dermpath Diagnostics, ExamOne, ChartMaxx


Quest Diagnostics is a health center providing its patients with diagnostic consultative services. The company offers diagnostic testing services, clinical testing trial. Quest Diagnostics makes innovative molecular and gene-based testing. Quest Diagnostics works with companies to provide) employees with health insurances. Blueprint for wellness is a program for testing employees’ health condition. Biometric screening and other services are included. Clients can get lab test results on smartphones using MyQuest app. There are more than 2,200 diagnostic centers throughout the US. Also, the company owns clinical laboratories in England, Mexico, India. In 2013 Quest Diagnostics was named number 1 company in Healthcare industry in "Pharmacy and Other services" category according to FORTUNE magazine.

Quest Diagnostics reviews and complaints

Quest Diagnostics is ranked 296 out of 2240 in Hospitals, Clinics and Medical Centers category

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