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Based on current COVID-19 positivity rates, visitation is allowed until further notice.
Call (631) 548-6853 or click here for more information.

Laboratory Services

Convenient, comprehensive diagnostic testing services


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 appointments - Book now
  • Minimal wait times (usually 15 minutes or less)
  • Walk-ins accepted
  • Most major insurances accepted

Outpatient Testing Services


(516) 321-5965


7 a.m. to 4 p.m. Monday - Friday
7 a.m. to 1 p.m. Saturday - Sunday


1333 Roanoke Ave, Suite 204
Riverhead,  NY  11901


Medicare, Medicaid, and most insurance plans accepted.  Phone ahead to determine coverage: (516) 321-5965
Fax: (516) 321-5968