15355 Brookhurst St, Suite 102-108

Westminster, CA 92683

Phone: (714) 418-0035
Fax: (714) 418-0914
Last updated: July 2, 2026

The entrance to this Quest Diagnostics patient service center sits at the center of the Westminster Medical Center parking lot, just left of Seafood World. You'll find it at 15355 Brookhurst Street, Suites 102-108 in Westminster, California, open six days a week — one of 2,000+ Quest locations that power Superpower's nationwide lab network.

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Monday: 5:00 AM – 2:00 PM
Tuesday: 5:00 AM – 2:00 PM
Wednesday: 5:00 AM – 2:00 PM
Thursday: 5:00 AM – 2:00 PM
Friday: 5:00 AM – 2:00 PM
Saturday: 7:00 AM – 12:00 PM
Sunday: Closed

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