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Quest Diagnostics
One of 5 diagnostics imaging or lab service listings in Darien.
About Quest Diagnostics
Quest Diagnostics is a diagnostics imaging or lab service in the health and medical sector, based in Darien, CT. Its recorded address is 557 Post Rd, 06820. The listing includes a telephone number, an official website. It is one of 5 diagnostics imaging or lab service listings tracked in Darien; the nearest comparable listing is Stamford Health Medical Group Darien Imaging Center, about 1.9 km away. Quest Diagnostics has 2,797 listed locations in total; this page covers the Darien branch.
- Address
- 557 Post Rd, Darien, CT, 06820
- Phone
- 4753284366
- Website
- locations.questdiagnostics.com
Questions
Where is Quest Diagnostics located?
557 Post Rd, Darien, CT, 06820
How do I contact Quest Diagnostics?
4753284366 · https://locations.questdiagnostics.com/ct/darien/557-post-rd
What type of business is Quest Diagnostics?
Quest Diagnostics is a diagnostics imaging or lab service (health and medical) in Darien.
Quest Diagnostics branches
Quest Diagnostics has 2,797 listed locations. This branch is in Darien.
- Weslaco78596-4281
- Laredo78041-3988
- McAllen78503-1531
- Alice78332-4197
- Kingsville78363-6371
- Bradenton34210-2819
- Corpus Christi78404-2500
- St Petersburg33713-5438
- St Petersburg33713-7146
- South Pasadena33707-2118
Nearby diagnostics imaging or lab service
- Stamford Health Medical Group Darien Imaging CenterDarien1.9 km
- Greenwich Hospital Blood Draw StationDarien2.7 km
- Nuvance Health Maternal Fetal Medicine (Perinatology) - NorwalkNorwalk4.7 km
- Advanced Radiology ConsultantsStamford4.6 km
- Nuvance Health Imaging and Radiology at Norwalk HospitalNorwalk4.8 km
- Blood Draw - Constitution Diagnostics Network at Norwalk Hospital, part of Nuvance HealthNorwalk4.8 km
- CIRCLE CARE CenterNorwalk5.3 km
- Avery Center for Obstetrics and GynecologyNorwalk5.5 km
- Quest DiagnosticsNorwalk5.6 km
- Quest DiagnosticsNorwalk5.5 km
- Ronald Lee MDNorwalk5.5 km
- Norwalk Radiology ConsultantsNorwalk5.5 km
- Corium DiagnosticsNorwalk5.5 km
- Profile Dental ProstheticsNorwalk5.7 km
- Labcorp at WalgreensNorwalk6.6 km
Cite this page
“Quest Diagnostics, Darien — business.wiki, retrieved August 2026.” Facts on this page come from openly licensed data (Overture Maps Foundation) and are refreshed with each monthly release; sourcing is documented on the methodology page.