Quest Diagnostics - Riverhead Harrison Ave
Blood draws in Riverhead, with a lab order from any doctor. Pick your appointment time online and bring your order. The Galleri cancer screening test is also available here.

Available services
Due to state regulations, Instalab is not able to order Quest lab tests directly for patients in New York. You can still schedule a blood draw at this location with a lab order from your own doctor, and the Galleri test is available to book.
Galleri® Multi-Cancer Early Detection Test
Screen for 50+ cancers with a single blood draw.
$849Already have a lab order?
If a doctor or another service gave you a lab order, pick your appointment time at this location and bring the order with you.
- Book onlinePick your time at checkout.
- Bring a lab orderFrom any doctor; schedule online.
- Galleri test available50+ cancers from one blood draw.
Common questions
Contact
- 889 Harrison Ave, Fl 1, Riverhead, NY 11901-2090
- 631-727-7727
- Fax 631-727-7771
- Mon6:00 am to 3:00 pmTue6:00 am to 3:00 pmWed6:00 am to 3:00 pmThu6:00 am to 3:00 pmFri6:00 am to 3:00 pmSat6:00 am to 12:00 pmSunClosed
- Get directions
Other locations nearby
- 1Quest Diagnostics - Wading River8 mi›
- 2Zwanger Pesiri Radiology - Wading River8 mi›
- 3Quest Diagnostics - Hampton Bays NY8.6 mi›
- 4Quest Diagnostics - Center Moriches10.8 mi›
- 5Northwell - Peconic Bay Medical Center13.1 mi›
Map
Quest Diagnostics - Riverhead Harrison Ave889 Harrison Ave, Riverhead, NY 11901-2090631-727-7727Get directions