6. Quest Diagnostics is a leading provider of diagnostic testing and laboratory services, offering a broad range of tests for various medical conditions and health screenings in Schaumburg, IL. We are committed to accurate results and patient care.
Operator computes a Health score every night at 2 am HST. It's the one number that tells you if this shop is winning, losing, or steady. Here's how Quest Diagnostics broke down on Apr 26, 2026.
Quest Diagnostics is indexed in Operator's Diagnosticservices market index for Schaumburg, IL.
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The Diagnosticservices shops Quest Diagnostics competes with most often, ranked by Operator's health score. Tap any row for that shop's full page.
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