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Northwell Health Labs at Riverhead

Gloved hand holding a blood sample vial in a laboratory setting.
Putting you first
We make getting lab work easy and accessible—so you can get back to doing what you love.
Day Hours
Sunday Closed
Monday 7:00am - 3:00pm
Tuesday 7:00am - 3:00pm
Wednesday 7:00am - 3:00pm
Thursday 7:00am - 3:00pm
Friday 7:00am - 3:00pm
Saturday 7:00am - 1:00pm

About

As the largest health-based laboratory in the region, Northwell Health Labs provides a wide range of lab services from highly trained, compassionate experts. And we’re right where you need us in Riverhead—close to home.

Get fast, accurate results on lab tests including routine bloodwork and COVID-19 PCR and antibody testing in a safe and comfortable setting.

We’ve made booking lab services easy:

  • Same day appointmentsbook now
  • Minimal wait times (usually 15 minutes or less)
  • Walk-ins accepted
  • Most major insurances accepted

COVID-19 nasal swab guidelines 

Our lab does not perform COVID-19 PCR (nasal swab) testing on children under 5. Please consult with your pediatrician if you have any questions.

Is your insurance accepted?

Northwell health labs accepts a wide range of insurance plans for our lab services.

View insurance plans

We’ve made booking lab services easy

Schedule same-day appointments with minimal wait times (usually 15 minutes or less).
Northwell Health Labs at Riverhead
1333 Roanoke Ave, Suite 204Riverhead, NY 11901
Fax: (516) 321-5968

Our representatives are available to schedule your appointment Monday through Friday from 9am to 5pm.

For a Northwell ambulance, call
(833) 259-2367.