Quest Diagnostics

Category: Medical laboratory

Address: 750 N Diamond Bar Blvd Ste 110, Diamond Bar, CA 91765, USA

Phone: +19092826817

Opening hours

Sunday: Closed

Monday: 7AM–12PM

Tuesday: 7AM–12PM

Wednesday: 7AM–12PM

Thursday: 7AM–12PM

Friday: 7AM–12PM

Saturday: Closed

Reviews

Jovel Devela

Jan 31, 2022

Top of the line experience. I’m very grateful that I came to this place. Renee was at the front desk, she gave thorough explanations regarding the special test. Terry my phlebotomist did a very good job, I didn’t feel the needle at all. You have an excellent place and good employees. Thank you so much.

Deb Herrera

Nov 10, 2021

They close at 12pm and we got here at 10:45am asa walk-in and they did not want to take my elderly dad in.. We told them that we did not have an appointment and that we were willing to wait. The older lady told us that we had to wait 2 hours. SMH! they had sent home atleast 3 people after us and it was barely 11:15 am...its so empty in here!!!

Pennie Shivaie

Oct 14, 2021

I had an appointment on October 4th, 2021 and I must say that my experience was extraordinarily pleasant. The front desk representative was very professional and cordial. Excellent service ⭐⭐⭐⭐⭐

james perez

Sep 14, 2020

They made negligent mistakes causing me to have to urinate in a bottle for 24 hours twice. Nurse was stressed because of a very long line with wait times over 1 hour for walk ins. Policy about taking temperature is unreasonable. I offered a wrist temperature because studies show a touch-less infrared thermometer is improper when taken on the head because of needless radiation exposure to the brain (some photons penetrate similar to a weak x ray), especially when taken repeatedly...plus many studies show the wrist is more accurate. Because of their mistake with the 24 hour urine sample they wanted me to go back again and get exposure to the infrared temperature to the head again just to drop off the sample because of their mistake. i called corporate where I spoke with Claudia who was rude about the whole thing with a "that's our policy take it or leave it" attitude. I understand temperature reading is required due to covid precaution but it is unreasonable to require it be taken via infrared thermometer laser pointed at the head when the wrist would be just as accurate and safer because no unnecessary brain exposure to low level radiation. Even more so when they want to do it again because of their mistakes.

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Questions & Answers

Are walk-ins OK?

Kerry Strathman | Aug 30, 2018
Sam Lam | Aug 30, 2018

Yes. Mind their low productivity & lack of resource.

is payment expected on the same day of appointment?

Cindi - Cynthia Makhoul | Aug 30, 2019
Sam Lam | Aug 30, 2019

No payment required unless it's not going thru insurance coverage. No idea regarding payment for blood draw procedure.

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