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Quest Diagnostics Reviews

Madison, NJ

2.0
896 reviewsRating Calculation
A company’s ratings are a time-based and verification-based weighted average numerical calculation of the ratings submitted by consumers in the most recent 24-month period.

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Edited by: Erica Devaney
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Fact-checked by: Becca Blanco

About Quest Diagnostics

Quest Diagnostics operates one of the largest clinical laboratory networks in the United States, performing more than 200 million tests annually for patients, healthcare professionals, health plans and employers. It offers both physician-ordered testing and direct-to-consumer tests through its shop on QuestHealth.com, with more than 2,000 Patient Service Centers nationwide.

Visit www.questdiagnostics.com
Pros
  • 2,000-plus U.S. locations as well as in-home collection
  • Online appointment scheduling
  • Results accessible online
  • Payment plans offered
Cons
  • Draw fee applies at service centers
  • In-home collection costs extra
  • Doctor-ordered pricing varies

Quest Diagnostics Reviews

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    Page 2 Reviews 37 - 77
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    Staff

    Reviewed March 25, 2026

    I changed from LabCorp to Quest and this is the best decision I have ever made. The staff are friendly and have more patience. Shout out to Moriel from Las Vegas, St Rose facility, I am a hard stick and she got my vein for the first time. Highly recommended.

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    Reviewed March 20, 2026

    This company is a joke (notice 1.7 stars). I have important test results (post surgery infection) and quest won’t let me open them. There is ZERO HUMANS to talk to. All computer generated. I have to go to the hospital now to get immediate blood work and get my results. I’m going to court with this company. This has to STOP!!!

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    Punctuality & SpeedStaff

    Reviewed March 13, 2026

    Went to Quest Diagnostics on Aliante Pkwy, North Las Vegas, NV. My PCP sent in an order in December for a complete blood workup in March. My urologist gave me a paper order to be done in March. I made an appointment online for 12 March at 740am. I told the tech that I had the paper order and my PCP resent an order on March 2. She said she had seen both orders. She only 1 vial of blood. I questioned that, as they usually take 3. She told me she had what she needed.

    When I got my test results online, they only did the PSA test from my urologist. They did NOT run any tests my PCP asked for. Is it now my job at Quest Diagnostics after they draw my blood to put on a white lab coat and follow my specimens to the lab to make sure they do the required tests? The people they hire are either illiterate, or they do NOT care about the patient, it's just a job and a paycheck. They would be as happy in a job asking if a person wants "fries with that Big Mac". To tell the truth, that is the job they would be better off doing.

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    Customer ServiceStaffBilling

    Reviewed March 12, 2026

    A HUGE thank you to Lisa M. G. in the billing department in Norristown, PA. I had labs done on 5/21/2025 and my doctor's office coded it wrong. I called many times to Quest. They sent the form to have the corrections made to my doctor, and nothing got done. Lisa could hear the desperation in my voice to get this solved after NINE MONTHS of trying. She tried to get them on the phone on a 3-way call, but no luck. She then gave me her direct contact information so I could physically take it to my doctor's office and demand the corrections. Finally, success! It would have never been resolved without Lisa's help.

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    Customer ServiceCoverageRefunds & PayoutsStaffBilling

    Reviewed March 10, 2026

    I paid the bill Quest sent me and then my insurance company also paid. I contacted Quest at least 10 times and each time was told by the agent that I was not owed a refund. I faxed Quest the EOB from my insurance company showing they paid, I provided the date and check number of the check that Quest cashed from my insurance company. Every agent I spoke with told me that was not true and I was responsible for the full amount. After several hours on hold, several complaints to the BBB, several calls to supervisors, I finally spoke with a supervisor who got me the refund (or at least he said it's in the mail). It's unfortunate that every single agent I spoke with couldn't be bothered to help.

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    Customer ServicePunctuality & SpeedStaff

    Reviewed March 4, 2026

    I had an appointment this morning at 10:00 am at Quest Diagnostics on Stirling Road and Palm Ave. In Cooper City, Fl. I had a very bad experience with the tech in room #3. She asked me which arm is the best to get my vein. I replied the right one, she inserted the needled and started moving the needle to be able to get my vein. I said, "Please don't do that, you can try another vein." Unable to find a vein on my left arm, she poked me on a vein in my left hand. She was not able to draw blood. I asked her to please get someone else to get my blood. The manager came in and apologize on her behalf and was able to get my blood on my left arm. I apologize to the tech, saying that I don't mean to hurt her feelings, but I don't like to be poked several times. Her response was, "You are rude. My name is (i don't remember) Next time you come in make sure you don't come to room three." Very unprofessional behavior.

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    Customer ServicePunctuality & SpeedOnline & App

    Reviewed Feb. 28, 2026

    I was told by Quest in Salinas that if I wanted to wait 1-2 hours that I might be able to see someone as a walk in. He said that it was unlikely that I would be seen. I was merely dropping off a specimen. He said that they accept walk-ins beginning at 7 and I should have been there then-to which I replied that the website DOES NOT say that to which he replied, "we don't tell everyone". My thought was then how do we know that. Their.

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    Customer ServicePunctuality & SpeedStaff

    Reviewed Feb. 24, 2026

    Two visits so far. Easy Check-in (mobile or KIOSK), called in for lab work very close to scheduled appointment times. Collection was easy, fast and painless with printed prescription. Staff was very pleasant as well as professional. Needed to call and speak with Client Services regarding test results and that call went as expected. I did wait 20 min before speaking with someone. I will be going back when needed.

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    Punctuality & Speed

    Reviewed Feb. 6, 2026

    I visited Quest Diagnostics in Urbandale, Iowa and Kris and Max went above and beyond to get my lab orders straightened out that were not correct from the doctor. They did a great job and were quick and efficient. I will definitely return.

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    Punctuality & Speed

    Reviewed Feb. 3, 2026

    After waiting 10 minutes to get someone’s attention, I was unable to drop off a 2L container of 24-hour urine collection. Person told me to make an appointment rather than taking the container from me. Unbelievable.

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    Staff

    Reviewed Jan. 30, 2026

    I just received exceptional service that inspired me to give a shout out to an amazing phlebotomist, Dallise ** in Austell GA went above and beyond to get orders from my doctor’s that weren’t sent. She patiently jumped through hoops to get them. I’m 67 and have only received this quality of service maybe 1/2 dozen times in my entire life, and the draw was painless.

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    Punctuality & SpeedStaff

    Reviewed Jan. 30, 2026

    I had an excellent experience with Leo at Quest Diagnostics 110 S Macdill Ave suite 202 Tampa, Fl. He was extremely patient, kind, and informative, which immediately put me at ease. At the same time, he worked very efficiently fast, thorough, and highly professional. It’s rare to find someone who balances compassion with such strong skill and efficiency. Leo truly made the experience smooth and comfortable. Outstanding employee hard to come by nowadays. Thank you Leo!

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    Customer ServiceTechPunctuality & SpeedStaff

    Reviewed Jan. 27, 2026

    Very polite and great customer service. I would give a 5 but that is all the check in automated service. It prompted me to wait out in my car and get a text. I made an appointment for 7 mins ahead for 12:40 and checked in at 12:33. I was gone only 4 mins but came back in and waited 15 mins. Craig was very helpful when he came out and I asked him about it. He had already called my name. But very helpful and took me right back and very good service. Very professional.

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    Punctuality & SpeedStaff

    Reviewed Jan. 23, 2026

    I had appointment at 8:40 am for blood test. I arrived 8:32 am and click on my check-in link, it said I am checked in. Kept waiting. Asked the staff twice and was told to wait another 5 minutes when I had already waited 30 minutes. I guess they wanted to finish everyone in the waiting area before taking me in. I walked out. Highly unprofessional and irresponsible staff. Goodbye Quest.

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    Customer Service

    Reviewed Jan. 21, 2026

    Customer service with Quest Diagnostics at local locations is non-existent. So if you have a general question you will have to take time out of your day, drive to the lab servicing you, go inside the building, and ask the general question. Don't bother calling the national service number as the info is worthless. If customer service is this bad, I question the accuracy of the testing services. I will take my lab needs to someone else in the future.

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    Punctuality & Speed

    Reviewed Jan. 19, 2026

    They did a test for my pancreas without asking me to be fasting that gave wrong results. They took another sample and after 2 weeks they say the results will come out after 3 weeks since they have not set up the test in two consecutive weeks! Very disappointed.

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    Punctuality & SpeedStaff

    Reviewed Jan. 18, 2026

    Great staff, little waiting time! Seen few minutes before schedule appointment most times! The tech was nice and professional. No pain when my blood was taken. Clean and comfortable settling. All in all Quick and easy! I recommend Quest to all.

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    Staff

    Reviewed Jan. 14, 2026

    Lab tech did a good job in withdrawing my blood work, but the lobby is extremely dirty and unwelcoming, it’s look like a prison lobby and not a clean lab. It’s super plain and smells. I’m referring to the location on 1st street in Fresno, CA. Bathrooms are dirty also. Overall, the physical location of the lab (inside) is poor in hygiene, lacks welcoming lobby, and seems cold lack of humanity. I gave it a 3 star review only because my blood tech, Cristian, was a professional and very polite and patient. He explained the work order and what he was doing each time. Otherwise, I may have given a 1 start. I didn’t take photo of lobby because it’s prohibited 🚫.

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    Customer ServicePunctuality & Speed

    Reviewed Jan. 14, 2026

    How I miss Lake Hospital and their great customer service with the lab. Now that Quest Diagnostics is doing the lab work for University Hospital I find it so frustrating. Don't even think about showing up without an appointment otherwise you'll spend hours waiting in the lab. And of course the customer service in the lab is nonexistent. And trying to get the Quest Diagnostic portal to work is like impossible.

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    Customer ServicePunctuality & SpeedStaffResolution

    Reviewed Jan. 6, 2026

    I was at Quest Labs at 5960 Beach Blvd in Jacksonville, FL 32207. I had over 8 blood tests to be performed. There was a question about one of the tests so they had to call the ordering physician. That unfortunately took much longer than expected so I was there over an hour (I was taken to the back right away since I had a scheduled appointment). ** was VERY patient with the doctor's office lack of response and had to call several times but she never gave up. She handled the situation beautifully with professionalism and patience and never got bewildered. She even had a sense of humor about it. She was great and I hope she gets to see this post.

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    Customer ServiceContract & TermsCoverageBillingTransparency

    Reviewed Jan. 5, 2026

    Do we have zero star? That's what they deserve. I have used my current insurance for more than 10 years. Each year after my annual physical lab test, they always send a bill and ask to buy up receipt. They always send my bill to the insurance I used 10 years ago! I called them a few times and they never update it. I guess it's because they ask me for a few hundreds and they only can get from my insurance for 1/10th as they asked.

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    Contract & TermsCoverageRefunds & PayoutsStaffBilling

    Reviewed Dec. 30, 2025

    My physician ordered routine blood work back in January 2025. My insurance did not pay for one of the tests and stated that I do not owe for it, either, based on Quest's agreement with the insurance. Quest continues to bill me for over $160 for this test, despite my insurance reps contacting Quest multiple times and my mailing the paperwork that Quest requested to resolve this issue 3 times. I know that they received it, as I mailed it certified and have the information when it was received by Quest. Ohio Health made the change to Quest, and it has certainly not been for the patients' benefits.

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    Customer ServiceCoverageStaffBilling

    Reviewed Dec. 30, 2025

    Quest is the closest laboratory to my residence and that's why my family and I are normally use their services. For years we almost had no problems with these guys until today. They hit me with the bill just shy of $800! I had to waste my time on the phone to learn that they (for some ungodly reason) did not bill my insurance. Upon me asking their billing rep why they did not do their job, the answer was that the "system" is not perfect! Whatever that means. So, I guess, if you are a patient get ready to help poorly trained Quest associates to do their due diligence. It's time to start looking for some lab that doesn't expect you to lend them a helping hand.

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    Customer ServicePricePunctuality & SpeedBilling

    Reviewed Dec. 9, 2025

    Terrible. Request certain labs not be done they still do it and charge me. Online portal terrible payments don’t go thru. Emailed in issues get canned reply that is meaningless and doesn’t address issues. I have called quest at least 10x this year trying to correct billing issues and billing errors. Run fast away from this company.

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    Customer ServicePunctuality & SpeedStaff

    Reviewed Dec. 8, 2025

    This company does not properly train their staff, nor do they hold any of their staff accountable for how they behave. The staff is consistently rude, unhelpful and actively obstructionist regardless of location. If you ask a question, they will attempt to punish you by intentionally taking other patients ahead of you regardless of your appointment time.

    One woman intentionally made me wait an hour while she serviced walk-ins and patients with later appointments ahead of serving me.... She then told her colleague in front of everyone that she would not service me because she felt I was harassing her because I had questions about 1) how to email my paperwork and 2) because I questioned why she took 6 other people ahead of me that showed up on the patient monitor as either a walk-in or with an appointment later than mine. This is the type of behavior you see from petty people who know there are no consequences for their behavior. The staff needs to be trained in the basics of customer service which includes answering questions in a professional manner and behaving professionally.

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    Customer ServicePunctuality & SpeedStaff

    Reviewed Dec. 6, 2025

    Francis Lewis Boulevard location, Saturday 12/06/3025. I arrived for my scheduled bloodwork appointment at 12:00 p.m., based on the orders from my doctor. The medical office is about ten minutes from the Quest Diagnostics location. Online, the posted hours indicated the site closed at 1:00 p.m., with no restrictions listed about walk-ins or cut-off times.

    As I began registering, a tall, slim staff member approached me in a forceful manner and immediately discouraged me from completing my check-in. She raised her voice and refused to allow the phlebotomist to take me, stating that the last appointment was at 12:20 p.m. and that the lab did not accept walk-ins after 12:10 p.m. None of these restrictions were posted on my patient portal or at the site.

    She continued to speak loudly, telling me I would not be seen. This behavior is unacceptable in a healthcare setting, particularly toward patients who may not be feeling well and rely on these services. Quest Diagnostics already operates on limited hours, and many working patients depend on the availability of afternoon time slots. If a business cannot accommodate its patients and staff are combative or lack compassion, it raises serious concerns about customer service and professional standards. I strongly recommend that Quest review its operational practices and ensure staff are trained to treat patients with respect, empathy, and professionalism.

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    Punctuality & Speed

    Reviewed Dec. 3, 2025

    Five days (and counting) for routine results to be reported? Seriously? The results themselves were probably ready at least 3-days ago, but they obviously do not have enough people at the center actually looking at the results to "approve" them and get them posted. And that's just blood work - I waited nearly 2-weeks for the full results from a stool sample in October. Tell me you don't have enough humans working at your testing centers without directly saying it.

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    Punctuality & SpeedStaffTimeliness

    Reviewed Dec. 3, 2025

    The Quest in Prairie City Folsom had a worst staff. Kept my father waiting for 1 hour. Could not draw the blood so they told him to come the next day and then this guy was telling us we should keep appointment. The worst staff ever. Am not sure about his name but he was the only guy in that facility and then he was like name does not match. We never had an issue with any other facility. I would never go to this facility. They keep getting the orders mixed and once I schedule an appointment on Quest website after 2 days I see there is no appointment on the site and I don't get text message either. Does Quest have no other competition. Is that why they are so bad at customer interaction.

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    Customer ServiceTechSales & MarketingPunctuality & SpeedMaintenanceStaff

    Reviewed Nov. 26, 2025

    Hi, my name is Dr. **. I came on 11/14/2025 to Beverly Hills Branch and Ms. Leila very professional personnel, took my blood test. She told me it takes 3 to 5 days for me to get the results. So, after the 5th day, I went online I created account. It told me that is not ready. I waited a week then I went back online, and it did not get me any reports. Then I went to one the local Quest branch to request my lab reports. They said that I need to go back to Beverly Hills branch. I did yesterday then they told me sorry, they cannot help. They gave me a customer services phone number. I called them, it is all computer and talked about promotion. Then I came back to staff in that branch, they were very rude. They said to call the supervisor.

    I called more than 10 times. Then she said she will call me back. The reason that I wanted to get my report because number one, it is my right, number two, what Quest did is against the HIPPA regulations and number three, I wanted to read it myself before visiting doctor. My doctor who I was supposed to see yesterday, got the result, but not me. The supervisor of the Quest Beverly Hills branch called me after my visit to my doctor. Quest is federally doing a fraud business and breaking the HIPAA regulation law. This company is not keeping your information. They share your information like they did to me to others. I will have my attorney to reach out to headquarters of Quest company. They need to learn lesson to respect the right of the patient.

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    Punctuality & SpeedStaff

    Reviewed Nov. 20, 2025

    In MIRAMAR. The service is awful, really bad. The employees are grumpy, other people's pain isn't their problem, and they're not gentle with patients. They won't let me in with my very nervous daughter for her blood test. What are they hiding? The terrible job they do? Besides having to wait an hour to be seen, they don't care about anything except money. How awful!

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    Reviewed Nov. 20, 2025

    I came to a quest location in Brooklyn with a doctor's requisition for bloodwork. The tech/phlebotomist welcomed me vary nasty, verbally attacking me for no reason, when I told him I'll report it to the higher-ups, he decided to dangerously fix me up. All tests on the paper requisition he entered into the computer twice (as separate orders) then he went ahead and drew twice as much blood/tubes than required/authorized. Now since all tests were done twice, another serious issue came to light, the inaccuracy and unreliability of Quest's lab work. The same tests were done twice on separate specimens collected at the same time, yet for most tests the results differ, for some pretty significantly.

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    Sales & MarketingOnline & AppMaintenanceStaffBilling

    Reviewed Nov. 19, 2025

    Never again will I use Quest. The MyQuest app does not work. I managed to view my lab results one time. Then I've been attempting to view again because I wanted to research some things. Apparently the site is having difficulties..FOR 3 DAYS!! Unacceptable, particularly with medical info. Plus, while the lab techs were okay, there's no one staffed at the front desk. No thanks. I was also told I could upload my previous lab results into the app...so I can compare certain things.. but it's either not possible or extremely difficult. Not going to bother to find out which. Plus, I read where someone was billed because Quest inputted incorrect codes...really? I plan to recheck the over 500 lab bill I received....seems like it might be sketchy. Stay away.

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    Customer ServicePunctuality & SpeedStaff

    Reviewed Nov. 17, 2025

    Terrible service. You can't get lab results for more than a week. It takes more than a week to get your account set up online. If you need anything immediately just forget about getting any help from the website or any phone number that is listed or they give you. They never call you back you know what and apparently don't even have access to your lab results. If you need your lab results quickly, stay far away from this place/company.

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    Punctuality & SpeedMaintenanceStaff

    Reviewed Nov. 16, 2025

    In my opinion, the Quest Diagnostics system is broken. The location I visited was the one at 7460 W. Lake Mead Blvd in Las Vegas, NV. I had an appointment, but that did not seem to matter. It was 30 minutes after my appointment before I got to get my blood drawn. I also needed a test of my urine. When I went to provide the sample, there was fecal matter on the toilet seat making me wonder if they ever check the restrooms for cleanliness. When I returned the urine, there were 4 other specimen containers there making me think mine could easily get mixed up with others.

    The place in general looked messy like they did not have time to take care of things as they go. The technician tried to explain that they were overloaded and understaffed. I can easily believe that. The last thing is that my arm turned black around the needle injection site. I did not appreciate that. After this experience, I have no plans to go back to Quest Diagnostics for any type of testing and I sincerely hope that my test results are accurate and that they get to the right doctor. I have my doubts.

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    Sales & MarketingPunctuality & SpeedStaff

    Reviewed Nov. 15, 2025

    I was scheduled to take a drug test in Chipley at Quest. It was closed today on a Saturday. So I scheduled for Marianna. Showed up, and they couldn't transfer my test over to the Marianna location, but they advertise differently. I drove 2 hours for nothing. There were no clear instructions, and all help lines are closed on the weekends. The biggest issue was that it was not stated anywhere, that there would be an issue regarding testing at alternative locations. If I had known that I needed to only visit a specific location, it should've been clear. This is failure on Quest and First Advantage. They obviously don't care about wasting people's time.

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    Reviewed Nov. 14, 2025

    People's health literally hang on your accuracy of test results, and it's been my experience with you that you are absolutely not accurate. I have been sick with autoimmune issues that are verified by experts, and your ANA and RF factor tests are absolutely not accurate! And I have been very sick with inflammation, autoimmune issues, and am sick of getting false results!

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    Customer Service

    Reviewed Nov. 6, 2025

    Absolute garbage customer service. Inept at basic tasks. Nancy M, as rude as possible and unwilling to help in any coherent manner. It would be ideal if my doctor did not have to deal with this group, but they seem to have a monopoly on my region.

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    Customer Service

    Reviewed Nov. 5, 2025

    Horrible customer service here. Stay away. First time I’ve ever walked out of an appt in my life. They discriminated against me and my disability pretty openly. They don’t care. I will never go back there again, or any other Quest because of this.

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    TechPunctuality & Speed

    Reviewed Nov. 4, 2025

    First of all, there is NO human to help, Secondly, for whatever reason, the check-in machine did not recognize my appointment and the tech told me to wait until all the people with appointments were seen and then she would see me. An hour later, all the people were gone, but no one came out to get me. I knocked on the door to alert the techs that everyone had gone. Someone arrived at the door and told me that I could no longer be seen since I had the audacity to knock on the door to alert them that I was still there and waiting. This was just to punish me. For what? Waiting patiently for an hour? Are we back in first grade? I'll never go back to Quest. No respect given or willingness to help with a bad situation..

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    Reviewed Nov. 3, 2025

    They do not prioritize urgent cases, they have created monopoly at the hospital. They they got patients defaulted to them. They make a 5 day old baby waited hours. When asked the test results are urgent but not the test itself. The system does not make sense. Even there is no place to talk with to solve issues. Nurses are coming in and out but no talking.

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    Quest Diagnostics Company Information

    Company Name:
    Quest Diagnostics
    Address:
    500 Plaza Drive
    City:
    Secaucus
    State/Province:
    NJ
    Postal Code:
    07094
    Website:
    www.questdiagnostics.com