4101 Mexico Rd, Ste E

Saint Peters, MO 63376

Phone
(636) 441-2938
Fax
(636) 441-5988
Last updated
July 2, 2026
Quest Diagnostics

Set inside Cave Springs Plaza at the corner of Cave Springs Boulevard and Mexico Road in Saint Peters, Missouri, this Quest Diagnostics draw site occupies Suite E at 4101 Mexico Road — right next to Mr. Goodcents. Open six days a week, it's one of more than 2,000 Quest patient service centers in the network Superpower partners with nationwide.

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Monday
6:00 AM – 5:00 PM
Tuesday
6:00 AM – 5:00 PM
Wednesday
6:00 AM – 5:00 PM
Thursday
6:00 AM – 5:00 PM
Friday
6:00 AM – 5:00 PM
Saturday
7:00 AM – 1:00 PM
Sunday
Closed
4.6 out of 5260+ reviews

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