46.78 mi away - Location search | Quest Diagnostics
Quest Diagnostics is a public medical and diagnostic laboratory company (ticker DGX) headquartered in Secaucus, NJ. It operates globally (42 countries) and provides diagnostic testing and related services. Key facts: founded 1967, about 14,319 employees, annual revenue around $11.0B, market cap ~ $14.4B. General contact: wellness@questdiagnostics.com; phone +1 866-697-8378. For a location near Ludington, MI, Quest Diagnostics offers local lab services and testing at nearby facilities within the United States. If you’re searching specifically for a Ludington-area location within approximately 46.78 miles, the site may help you find the closest Quest Diagnostics lab or collection center.




