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10AM - 7PM
4036 Grand Ave Suite A, Chino
Medical Labs
“The 1st girl that was going to draw my blood said she was having trouble finding a good vein, and so she went to get another girl to try and she got my vein very 1st time and it was painless. I was so happy!”
7:30AM - 3PM
554 E San Bernardino Rd Ste 103, Covina
Medical Labs
“It was easy to make an appointment thru the website. I love the emails and text messages for updates. Also it was so easy to check in from the parking lot as soon as I arrived. And the appointment itself was quick and easy. Ample parking and plenty of seats in the wait room.”
6:30AM - 4:30PM
4028 Grand Ave Ste B, Chino
Medical Labs
“I have been getting hematomas after blood draws and was afraid to get this one. They lasted for months!
The phlebotomist was very skilled, and tightly wrapped the needle insertion point after, which was successful in preventing bruising but more importantly hematomas I have gotten last 3-4 times at Quest! Thank you!”
“Clinlab has calibrated and maintained our pipettes for more than 20 years now. Their service can't be beat they come right to our lab, do the calibrations on site, sticker our pipettes, and provide full calibration reports that are required per our quality system. We are in Long Beach and they will come down from San Dimas to our lab account for all of our pipettes get them calibrated and even refurbished on the spot.”
7:30AM - 2:30PM
1335 Cypress St Ste 101, San Dimas
Medical Labs
“Excellent personnel, good sign-in procedure. Even though I didn’t have an appointment, I was able to walk in and wait until they had time to work me in. Very efficient process. Great medical assistants and procedures in very clean atmosphere!!
Carol”
“Easy self check-in that allowed me to wait outside until I received a text.
I arrived 40 min before my appointment—and I’m glad I did. They called me in 20 min before my scheduled time. This caffeine addict was fiending for a coffee at that point.
This is a utilitarian urine and blood collection point. Don’t go in expecting five-star staff smiles from a human at the front desk.”
6:30AM - 3:30PM
210 S Grand Ave Ste 124, Glendora
Medical Labs
“Love to be able to check-in on my cell phone. The lab tech provided great customer service and a efficient quick process to get in and out with out being rushed.”
“The staff was excellent very professional and friendly. I will use this location everytime I need to do lab work. And using their website to schedule apt was quick and easy. Thank you”
“I really appreciate my Dr. I genuinely feel like he cares and I don't feel like a transaction. I appreciate every single time that I go he educates me, takes the time to listen to me and gives me advice. Thank you for everything!”
“Scheduling online was fast and convenient. I was able to check in on my phone while we parked. The waiting room was ample, clean and hand sanitizer available with kiosks for those without smartphones.
There was DMVish announcement board showing your place in line.
I only waited maybe 8 minutes past my appointment and was promptly taken to a private draw station.
The best part was my phlebotomist Cari who was excellent at her job.
Friendly, informative and most of all, highly skilled in venture!
1 stick and no hematoma, which I’m generally not accustomed to!
Thank You Quest. Especially Miss Cari ???”
“The parking lot was ridiculous. It took me forever to find a place to park my truck but once I got inside they were really quick and efficient and very friendly and helpful.”
“I was nervous from reviews I read about labcorp of wait times with appointments and being passed and taking to reschedule but had incredible experience. Scheduled apt, was called in exactly the minute I was Scheduled. The tech assisting me was very pleasant, friendly and helpful and was done in a few minutes. Would definitely recommend this location.”
“I had an amazing experience with phlebotomist Janet, even though I had many blood work tests to be done Janet helped me to get through it. Extremely sweet and helpful!!!!”
“The staff here was very nice, patient, and professional. We brought our 3 kids here for a blood test. You know kids and needles. Our youngest child threw a fit, but the staff was very understanding. We have been to other places in the past where the staff gets mad and tells us to just come back another day when kids don't cooperate.
I highly recommend this location. They know what they are doing and good with kids. Got everything done on the first try. I didn't get the phlebotomist name, but he was very good. Knew where to poke. Quick and easy. Less than a minute and we were done.”
“This place gives me absolutely great service. Especially Dr Daniel who is very helpful and considerate to the people around him. He is very nice and the prices are better than most places”
“Went in as a walk in and I was attended in a very timely manner. I checked in at the Kiosk and waited for my name to be called. Provided my paperwork and insurance card. Phlebotomist tech was very kind and helpful. I barely felt the needle poke. The whole process was roughly 45mis if anything, maybe less. I highly recommend this location if lab work is needed.”
2 - 4:30PM 8AM - 12PM
1104 S Diamond Bar Blvd, Diamond Bar
Medical Labs
“During my recent visit for a shot, I was thankful for the patience amongst the nurses. Her approach made a significant difference in easing my anxiety about the procedure. She was able to read my emotions and helped me remain relaxed throughout the process of receiving my shots. The nurse picked up on how nervous I was and responded in a gentle way to make sure that I was less anxious throughout my shot. What impressed me the most was how she didn’t rush things at all even though there was a long line in the waiting room. She took her time and made sure I felt comfortable every step of the way. I’ve had shots before where the nurse just wanted to get it over quickly and that made me more anxious but this time, the nurse really took it step by step. Throughout the whole process, I felt respected and cared for which is something I usually never experience when taking shots. I left the appointment feeling relieved and the nurse’s patience and positive attitude really taught me the importance of what is needed by professionals in healthcare. They are the ones that can change a stressful experience into a positive one.”
“I helped my neighbor go to Quest today, and it was a very smooth experience. We had a pretty complicated question involving various doctors orders and had trouble finding a suitable vein, but our technician Daniela handled everything smoothly and was very polite.”
8:30AM - 5PM
13721 Roswell Ave, Chino
Medical Labs
“Took my kids there after being exposed to covid, had to wait an hour in line, small inconvenience compared to other walk-ins/drive ups, and I got my results before I got back home. Beats making an appointment 2 weeks out and still waiting 2 days for results ?Guy giving the test was informative and answered our questions with NO attitude, gave me multiple receipts to submit to my insurance (which they honored) ... can't complain about any part of it.just a side note ... do your research, when you call this place, they tell you what they charge for the tests. if you're caught off guard, that's on you, not the facility. and as far as attitude, 9 times out of 10, you get what you give. kindness matters”
“Your responsiveness, detailed explanations, and exceptional kindness when handling appointments, inquiries, and requests have left a deep impression on me. Above all, I truly appreciate how genuinely you care about patients’ conditions, as well as your professional recommendations for referrals and prescriptions, and how quickly you act on them. This is by far the most satisfying clinic I have ever experienced, and I sincerely wish you continued growth and success in the future.”
2 - 5PM 8:30AM - 12:30PM
18575 Gale Ave #245, City of Industry
Medical Labs
“I have been going here for a few years now, and it is rarely busy, and I normally don't have a wait. It is very small. There is only 1 phlebotomist there, and she is really good and has been nice.”
6:30AM - 2:30PM
12555 Central Ave Ste A, Chino
Medical Labs
“Rita is the best! I don't like getting blood drawn because my veins are hard to find. She did a great job and got it on the first try. I get anxiety from the expectation of three tries with needles rolling my veins and the tech having to get someone else to try. None of that happened this time, I am grateful. I will be asking for her if I need to come back! Thank you kindly.”
7AM - 3:30PM
420 W Rowland St, Covina
Medical Labs
“Today 7/2/2026 in the morning I walked in Labcorp office on Rowland Ave in Covina, California, Vanesa was at the front desk, she greeted me and asked me if she could help. She was very helpful and friendly I wanted to take a minute and leave a good review for her. I appreciate how well she treated me! Thank you Vanesa!”
“I’m taking part in a research study. My phlebotomist was very nice and patient as we worked together to get everything together for the box I was given. My appointment was at 10 and I was seen in time. The check in process was easy. I just had to scan my ID and insurance card. I will not hesitate to use this location again.”
“Thank you,Kathy for drawing my blood.I have horrible veins but she s professional,from first attemp and absolutely painless.Blonde lady in front was nice as well.I will minus 1 star because I think they need to renovate waiting room-pls -place wall tv monitor ,so we can see schedule and waiting time like in Quest.I do have appointment and it was faster ,but lady next to Me,she was walk in waited about 4 hours and pls place new cooler with water.”
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“My visit was very pleasant. The receptionist was very kind and respectful. The doctor was very good. Listened to my opinion and also gave me the right medication to help me get well. Definitely. Do recommend visiting them if you need medical assistance.”