Quest Diagnostics's cover image

This profile has not been claimed by the business owner or representative.

to update business information, get appointment requests, engage visitors with web chat, and more!

Quest Diagnostics

3.1

About this business

Location details

491 Allendale Rd Ste 111, King of Prussia, PA, 19406, United States

Get directions
WeekdayScheduleStatus
Mon6:30 a.m. to 3:00 p.m.
Tue6:30 a.m. to 3:00 p.m.
Wed6:30 a.m. to 3:00 p.m.
Thu6:30 a.m. to 3:00 p.m.
Fri6:30 a.m. to 3:00 p.m.
SatClosed
SunClosed
3.1112 reviews
Select a rating
Rob Cart's profile image
Rob Cart 
a month ago

Great... kind and professional staff. 

Jessica Mejia's profile image
Jessica Mejia 
2 months ago

Worst quest ever!! I was less than 10 minutes late and the 2 female employees that were there today 9/26/25, took 7 patients back before me and let me wait for over 40 minutes!! I ended up leaving because of the pettiness! So unprofessional and classless!! Never going here again!! 

Pradeep Kanoor's profile image
Pradeep Kanoor 
2 months ago

Very poor time management and under staffing, looks like only one was handling it. With the appointment of 10 AM, not called by 10.30. So, booking well ahead is not worth. Whoever is scheduling at this location, please make sure you are expected to wait. 

Wen M's profile image
Wen M 
3 months ago

Here's advice given to me by the phlebotomist: if you are a walk in and you sign in, accept whatever time the suggested appt time is, despite the fact that as a walk in you will 'be seen in 30-60 min'. You have a better chance of getting taken back WITH an appt. I didn't accept the 10 am appt time at sign in bc I start work at 10 am and when I signed in at 8:20am I assumed I would be seen within the hour. 50 min later they came and told me I would've been seen sooner if I had accepted the 10am appt at check in. However, I WA... read more

Marlene Sabella's profile image
Marlene Sabella 
3 months ago

I always have an excellent experience at Quest due to the technician Barbara. She is so skilled and friendly. I am completely at ease when she is my technician. She goes above and beyond 

Frequently asked questions about Quest Diagnostics

How is Quest Diagnostics rated?

Quest Diagnostics has a 3.1 star rating with 112 reviews. 

When is Quest Diagnostics open?

Quest Diagnostics is closed now. It will open at 6:30 a.m. 

Need help? Contact us.

Speak with a specialist to learn how you can grow with Birdeye. We are reachable at profiles@birdeye.com