While Quest Diagnostics aims to provide comprehensive diagnostic services, complaint data from our community has highlighted several recurring issues that customers face. Common complaints include long wait times, billing problems, and unprofessional behavior from employees. Additional issues reported involve appointment scheduling errors, specimen handling mistakes, and poor customer service response.
To avoid these problems, we strongly recommend arriving early for appointments, double-checking billing information, and clearly communicating with staff about any specific needs or questions. If you encounter issues, document all interactions, retain receipts and confirmations, and escalate your concerns promptly to get a resolution.
Do you have a dispute or had a bad customer experience with Quest Diagnostics? Report it through our hassle-free complaint form to warn others and maximize the chance of resolving it.
We will make sure that your complaint receives the attention it deserves by reaching out through: social media, emails, paper complaint letters, contact forms and other tools at our disposal. We also have an active community with people who might be able to give you some helpful advice.
Just looking for information? Search through all complaints we have received related to Quest Diagnostics.
Our sentiment meter has detected that Quest Diagnostics complaints over the past 28 days have remained within our normal fluctuation range, showing a change of 0%. While some customers might experience challenges with Quest Diagnostics, the steady level of complaints indicates that there hasn’t been a surge in widespread issues recently.
Sentiment data last updated on February 3, 2026
We have received 0 complaints about Quest Diagnostics over the last 12 months. The graph below shows a monthly breakdown.
Curious about Quest Diagnostics's track record in addressing complaints within the Healthcare category? Dive into the all-time complaints data right here!
Below, you will find the contact information for the complaint department of Quest Diagnostics. To amplify the impact of your complaint, please use our complaint form.
You can contact the customer service of Quest Diagnostics by calling 1-866-697-8378. If you want to reach out to Quest Diagnostics through their own website, you can use their contact form.
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Helpful experiences shared by verified Quest Diagnostics customers. Search, discuss and connect with other people in our community.
Complaint from ErinW on 19 August 2024 about Quest Diagnostics.
Dretta E was rude from the time I arrived at this location until I left. I had made an appointment a week before I got there. I showed up, sat down and she came out, called some names, looked at... Read more
Complaint from Marcie on 12 February 2024 about Quest Diagnostics.
I’ve gone to this Quest location on numerous occasions without any issues although turning in a specimen leaves a lot to be desired. Today I arrived shortly before 6:30am to turn in a specimen. I was given 102,... Read more
Complaint from Noor on 27 January 2024 about Quest Diagnostics.
I found that quest charged me $42.74 for no service and keep on calling and did not get any answer. After that I got two bills and I sent the bank statement to quest showing that the $42.74 has been... Read more
Complaint from Jaynee Boucher on 26 January 2024 about Quest Diagnostics.
We are being inundated with phone calls wanting to make appointment for drug testing etc. Even getting messages left on our answering machine. MANY each day. WE NEED THIS RECTIFIED IMMEDIATELY. How can I actually TALK TO SOMEONE about this????? Read more
Complaint from Sick of the Smoke on 30 December 2023 about Quest Diagnostics.
The last 3 times I have been to this location for blood work the place reeked of cigarette smoke. Just like the old bars used to smell before they banned smoking. On my visit on December 29, 2023 there was... Read more
Complaint from Johnnyboy on 27 October 2023 about Quest Diagnostics.
Demanded I produce credit card or debit card to process my bloodwork even though I provided Insurance info. Very rude people. I utilized this facility for the past 10 yrs was never required to give credit or debit card.... Read more
Complaint from kour on 08 October 2023 about Quest Diagnostics.
i had a blood test at this location . the employees are so unprofessional . first girl called me for blood work . she was so confused that she was keep on asking her co - worker maybe she... Read more
Complaint from Joanalyn on 12 September 2023 about Quest Diagnostics.
My appointment is at 2:50 I did check in at 2:56 before the 10 minutes Grace period, I was waiting for 50 minutes their never called so I did asked them why my name never called, been waiting but their... Read more
Complaint from Lailal1 on 31 May 2023 about Quest Diagnostics.
Quest Diagnostic refused to provide services to me informing I am in collection for Date of Service 09/15/2022. I called my insurance company and quest Diagnostic did not file my bill with my insurance company. I never received a bill... Read more
Complaint from Brianna Peterson on 04 May 2023 about Quest Diagnostics.
Last year, I had blood work done in regards to Natera test at the location where I go for yearly checkups for my OB/GYN appointments. I was told my insurance wouldn't cover it but I had the option to forward... Read more
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