Sonora Quest Laboratories

Hospitals and Health CareUnited States51-200 Employees

Sonora Quest Laboratories is a United States–based provider in the hospitals and health care sector with 51-200 employees. The company describes itself as the largest integrated delivery network, serving approximately 85 million individuals annually. It operates as a diagnostic laboratory provider, delivering laboratory testing services. Dexter has served as president and CEO since 1999. Recent initiatives include the 2025 introduction of HPV screening options and self-collection tests, the 2026 launch of the GLP-1 Progress Panel, and the Care Within Reach program to improve access to testing. In 2025, it partnered with Northern Arizona Healthcare Corporation in Flagstaff.

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