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Quest Diagnostics

4.2
(159 reviews)

Business Details

1463 US Highway 61, Festus, MO
63028, United States
(636) 931-6717
https://locations.questdiagnostics.com/mo/festus/1463-us-highway-61

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
1463 US Highway 61, Festus, MO
63028, United States

Hours

Monday6:30 AM - 5:00 PM
Tuesday6:30 AM - 5:00 PM
Wednesday6:30 AM - 5:00 PM
Thursday6:30 AM - 5:00 PM
Friday6:30 AM - 5:00 PM
Saturday7:00 AM - 1:00 PM
SundayClosed

Reviews

4.2
159 reviews
5 stars
122
4 stars
3
3 stars
2
2 stars
4
1 star
28
  • GC
    Gabriel Clemens
    Apr 3, 2026
    1.0
    Do NOT go here for your NIPT test! They cannot do it and will turn you away.
  • BC
    Bobbie Connor
    Mar 26, 2026
    5.0
    Did check-in by phone and didn’t even wait a minute and then was only in for my tests about 15 minutes. Very professional and helpful.
  • BR
    Brian Rhodes
    Mar 22, 2026
    5.0
    Exceptional service
  • KO
    kristi ohara
    Mar 20, 2026
    2.0
    When asked to use a butterfly needle the phlebotomy person after sticking me 3 times they still wouldnt listen. I hate when people think they know more than the patient.
  • SG
    S. K. Green
    Mar 18, 2026
    5.0
    This location in Crystal City, Missouri is very clean, bright & airy. The kiosk to check in was user friendly and the lady who drew my blood [Jessica] was very good at her profession as I did not feel the stick and she was nice to chat with. A big congrats to having a wonderful employee like Jessica.

Frequently Asked Questions About Quest Diagnostics

What do I need to know before I arrive at a Quest Patient Service Center?

Please be aware that when you visit a Quest Patient Service Center: • Scheduled appointments are strongly encouraged and will receive priority. Please arrive and check in 10 minutes before your appointment time. If you check in more than 10 minutes late for your appointment, you will be served as a walk-in. • If you walk in, you will have to wait for the next available opening.

Do you accept walk-ins?

Scheduled appointments are strongly encouraged and will receive priority. If you walk in, you will have to wait for the next available opening.

Brand Certified Facts from Quest Diagnostics

This information is certified by Quest Diagnostics and published from the brand's official system of record. Data is distributed through an enterprise-grade knowledge management platform. Learn more about our data sources
Certified April 12, 2026Yext Knowledge Graph
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