Quest Diagnostics

Lab Testing at Quest Diagnostics - Sayville

Quest Diagnostics Patient Service Center in Sayville, NY 11782.

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Popular tests at this location:

TSH Lipid Panel CBC A1C Testosterone Vitamin D CMP

Address

160 Middle Rd
Sayville, NY 11782
Suffolk County

516-677-7734

Hours

Monday	7:00 AM – 3:00 PM
Tuesday	7:00 AM – 3:00 PM
Wednesday	7:00 AM – 3:00 PM
Thursday	7:00 AM – 3:00 PM
Friday	7:00 AM – 3:00 PM
Saturday	7:00 AM – 12:00 PM
Sunday	Closed

Nearby alternatives

Citymd Of Sayville
5600 Sunrise Hwy, Sayville, NY 11782
2.1 mi
LabCorp Sayville
5640 Sunrise Hwy, Sayville, NY 11782
2.2 mi
Ima - Bohemia
1690 Washington Ave Ste A, Bohemia, NY 11716
4.5 mi
Citymd Of Patchogue
129 Sunrise Hwy W, Patchogue, NY 11772
5.2 mi
LabCorp Holbrook
233 Union Ave, Holbrook, NY 11741
5.3 mi

About this location

Quest Diagnostics Patient Service Center. Quest Diagnostics operates one of the largest networks of clinical laboratories in the United States, offering a wide range of diagnostic tests for patients, physicians, and employers.

Listing last updated 2026-04-25.