Quest Diagnostics provides laboratory diagnostic testing and services to patients, physicians, hospitals, health insurers, employers and government agencies.
How to reach a person at Quest Diagnostics
Customer service: (866) 697-8378
Quest Diagnostics Responsiveness rating
The Elliott Responsiveness Rating scores companies based on how responsive they are to customers. Here's more information about our ratings. Want to know which companies have the best -- and worst -- customer service? Check out our Red List and Green List.
What you need to know about Quest Diagnostics
The biggest problem customers have with Quest (the only problem, as far as we can tell) is overbilling. Quest customers complain about getting overcharged for their lab work. We’ve covered it before and we will probably cover it again.
How to resolve a problem with Quest Diagnostics
This guide on how to solve a customer service problem will help you resolve most problems with the company. You can also refer to the executive contacts below or contact our advocacy team directly.
Note: If you’re having customer service trouble, please use our proven methods for fixing any consumer problem before contacting a manager.
We care about accuracy. If any of the following email addresses bounce back or the phone numbers are incorrect, please report it to us immediately through this form.Quest Diagnostics mailing address
500 Plaza Drive
Secaucus, NJ 07094
Quest Diagnostics executive customer service contacts
Primary Contact
Linda M. Taylor
Quest Experience Support Senior Manager
500 Plaza Drive
Secaucus, NJ 07094
linda.m.taylor@questdiagnostics.com
Chief Executive
James Davis
500 Plaza Drive
Secaucus, NJ 07094
james.e.davis@questdiagnostics.com
Does Quest Diagnostics have an online contact form?
Yes, you can find the online contact form here.
How can I contact Quest Diagnostics customer service?
Call the main customer service line at (866) 697-8378 or use the online contact form.
What are the customer service hours?
Monday to Friday 7 a.m. to 7 p.m.; Saturday 7:30 a.m. to 4 p.m. (all times Eastern).
How do I schedule an appointment?
Schedule an appointment online through the Quest Diagnostics website or MyQuest app, or by calling the customer service number at (866) 697-8378. Walk-ins are also accepted at many locations, but appointments are recommended.
How can I find a Quest Diagnostics location near me?
Use the “Find a Location” feature on the Quest Diagnostics website to search for a location by entering your city, state, or ZIP code.
What should I bring to my appointment?
Bring a valid photo ID, your insurance card, the test order from your doctor (if not sent to Quest by the doctor’s office), and any other specific instructions from your healthcare provider.
How can I access my test results?
Test results can be accessed online through the MyQuest portal or app. You can also request to have your results mailed to you or sent directly to your healthcare provider.
How long does it take to get test results?
The time it takes to receive test results can vary depending on the test. Some results are available within 24 hours, while others may take several days. Check with the Quest Diagnostics representative or your healthcare provider for specific timelines.
What should I do if I have questions about my test results?
Contact your healthcare provider for interpretation and guidance. Quest Diagnostics customer service can provide general information but cannot offer medical advice.
How can I pay my bill?
Pay your bill online through the Quest Diagnostics website or MyQuest portal, by phone, or by mailing a check to the address provided on your bill.
What insurance plans does Quest Diagnostics accept?
Quest Diagnostics accepts a wide range of insurance plans. Check the website for a list of accepted insurance providers or contact customer service for specific inquiries.
How can I update my insurance information?
Log into your MyQuest account, contact customer service, or provide the updated information at the time of your appointment.
What should I do if I receive a bill I believe is incorrect?
Contact Quest Diagnostics billing customer service at (866) 697-8378.
How to get professional help with your Quest Diagnostics problem
If you need help with Quest Diagnostics, you can contact our advocacy team or just click the "Get Help" button. For immediate assistance, you can also send us a message on our Facebook group. Note: We do not charge for our advocacy.
Get HelpDISCLAIMER: The names, numbers and email addresses on this page are provided for informational purposes and are believed to be reliable. However, they should in no way be construed as a guarantee of their accuracy by Elliott.org. Company executives change their email addresses and phone numbers frequently to avoid contact with customers.
If an email address bounces or a phone number is wrong, please report it to us immediately through this form.
