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Quest Diagnostics
One of 12 diagnostics imaging or lab service listings in Riverhead.
About Quest Diagnostics
Quest Diagnostics is a diagnostics imaging or lab service in the health and medical sector, based in Riverhead, NY. Its recorded address is 889 Harrison Ave Floor 1, 11901. The listing includes a telephone number, an official website. It is one of 12 diagnostics imaging or lab service listings tracked in Riverhead; the nearest comparable listing is Labcorp, about 0.5 km away. Quest Diagnostics has 2,797 listed locations in total; this page covers the Riverhead branch.
- Address
- 889 Harrison Ave Floor 1, Riverhead, NY, 11901
- Phone
- 6317277727
- Website
- locations.questdiagnostics.com
Questions
Where is Quest Diagnostics located?
889 Harrison Ave Floor 1, Riverhead, NY, 11901
How do I contact Quest Diagnostics?
6317277727 · https://locations.questdiagnostics.com/ny/riverhead/889-harrison-ave
What type of business is Quest Diagnostics?
Quest Diagnostics is a diagnostics imaging or lab service (health and medical) in Riverhead.
Quest Diagnostics branches
Quest Diagnostics has 2,797 listed locations. This branch is in Riverhead.
- 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
- LabcorpRiverhead0.5 km
- Salvatore A. Parrinello, MDRiverhead0.7 km
- David Kirshy, MDRiverhead0.7 km
- Jack Morgani, MDRiverhead0.7 km
- Northwell Health Imaging at North ForkRiverhead0.7 km
- North Fork RadiologyRiverhead0.7 km
- Bradley Gluck, MDRiverhead0.7 km
- Northwell Health Labs at RiverheadRiverhead0.7 km
- LabcorpRiverhead1.1 km
- Priority STD Testing RiverheadRiverhead1.7 km
- Suffolk County Soil EvaluationsRiverhead1.8 km
- Stony Brook Southampton Hospital Lab and RadiologyWesthampton Beach12.6 km
- Stony Brook Southampton Hospital Lab & RadiologyWesthampton Beach12.7 km
- Northwell Health Labs at Wading RiverWading River12.8 km
- Quest DiagnosticsWading River12.9 km
Cite this page
“Quest Diagnostics, Riverhead — 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.