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Quest Diagnostics

3.6
(153 reviews)

Business Details

77 Rolling Oaks Dr, Thousand Oaks, CA
91361, United States
(805) 497-8149

About

Family Medicine
The Quest Diagnostics difference. Bringing together quality, speed, and technology to power advanced, affordable diagnostics for all. No trade-offs required.

Location

Quest Diagnostics
77 Rolling Oaks Dr, Thousand Oaks, CA
91361, United States

Hours

Monday7:00 AM - 3:30 PM
Tuesday7:00 AM - 3:30 PM
Wednesday7:00 AM - 3:30 PM
Thursday7:00 AM - 3:30 PM
Friday7:00 AM - 3:30 PM
Saturday7:30 AM - 11:30 AM
SundayClosed

Reviews

3.6
153 reviews
5 stars
91
4 stars
9
3 stars
4
2 stars
4
1 star
45
  • JJ
    Joanna
    1 day ago
    1.0
    I visited Quest at Rolling Oaks in Thousand Oaks on Saturday 04/11/26. Since they accept walk-ins and open at 7:30 a.m. on Saturdays, I arrived at 7:20 a.m. There was one person waiting outside. The first phlebotomist arrived at 7:38 a.m., but with her coffee in hand. Maybe the line at the coffee shop was long and that’s why she was late. I believe her name was Jessica. She opened the doors and everyone checked in. By then there were several appointments and seven on the standby list. I was first on the standby list. The office has three appointments scheduled every ten minutes, starting at 7:40 a.m. Since staff was late, the first appointment wasn’t called until 7:50 a.m. At 9:00 a.m., I asked if they would be calling people from the standby list. Jessica told me they were short one person but they try to take people from the standby list. She suggested I make an appointment but by then I had already waited 1 ½ hours. At 10:30 a.m., the other phlebotomist made an announcement, they were understaffed and “may” not get to the standbys but they were “trying to catch up.” I believe her name was Yvonne. As soon as they caught up, they started moving slower until another appointment showed up. At 11:31 a.m., Jessica announced the office was closed and the standbys would not be seen. There were three of us and two of us had been waiting since before 7:30 a.m. I suggested to Jessica that in the future they make an announcement at the start of the day to inform clients they are understaffed. Jessica gave a very corporate response, “we try, we made several announcements, and it discloses the policy on the screen when you check-in.” I repeated my suggestion and requested she pass my suggestion to her supervisors. She repeated her corporate answer and refused to accept any accountability. Basically, we didn't get seen because staff arrived ten minutes late, got started twenty minutes late, and could not be bothered with common courtesy to let us know at the start of the day that they were understaffed. Corporate – please provide better guidelines and proper professional etiquette training for staff.
  • PN
    Patrick Neville
    Mar 31, 2026
    1.0
    It's ridiculous there's no one to talk (i.e. no front desk). The only option is the automated machine, which gives no options and isn't able to give any perspective on availability. Once in the back, the staff is very nice, but it can't undo the bad taste left in ones mouth during check in. Awful business model for the customer.
  • NB
    Nancy Benitez
    Mar 21, 2026
    3.0
    Quest is not what it used to be. I feel like since Covid, customer service is terrible. I can’t complain about my phlebotomist Colleen because she was amazing and friendly. Colleen is personable but a couple of the other phlebotomist were not as friendly or patient. It used to very convenient to stop by, check in and get your blood drawn. These days if you don’t have an appt and walk in you can check in but if by a certain time they haven’t gotten to you they won’t do your blood test.
  • RM
    Rose Mo
    Mar 17, 2026
    1.0
    Very rude staff My results is lost and no one helped to find it I. Their system and they are very rude and disrespectful
  • AW
    Allison Webb
    Mar 12, 2026
    4.0
    My first visit to this Quest did not go well, however my second visit with Emily was outstanding! She did such a great job, was very friendly, and easy to talk to.

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