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Quest Diagnostics

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Lab testing, laboratory and office locations around the world

Quest Diagnostics has headquarters in the U.S. and operations in India, Ireland, and Mexico. Our products and services are used by customers in over 130 countries. We also collaborate with many international diagnostic laboratories, hospitals and clinics to help improve human health around the world.

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Quest Diagnostics - Riverhead Harrison Ave

889 Harrison Ave,

Fl 1

Riverhead, NY 11901

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2.66 mi away

Schedule Appointment 631-727-7727
Monday: 6:00 am-3:00 pm
Tuesday: 6:00 am-3:00 pm
Wednesday: 6:00 am-3:00 pm
Thursday: 6:00 am-3:00 pm
Friday: 6:00 am-3:00 pm
Saturday: 6:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Wading River

6144 Route 25A,

Ste 8, Bldg B

Wading River, NY 11792

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10.18 mi away

Schedule Appointment 516-677-7733
Monday: 6:30 am-3:00 pm
Tuesday: 6:30 am-3:00 pm
Wednesday: 6:30 am-3:00 pm
Thursday: 6:30 am-3:00 pm
Friday: 6:30 am-3:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Center Moriches - Employer Drug Testing Not Offered

534 Montauk Hwy,

Center Moriches, NY 11934

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13.42 mi away

Schedule Appointment 516-677-7720
Monday: 6:00 am-2:00 pm
Tuesday: 6:00 am-2:00 pm
Wednesday: 6:00 am-2:00 pm
Thursday: 6:00 am-2:00 pm
Friday: 6:00 am-2:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - East Patchogue

285 Sills Rd,

Bldg 8, Ste A

East Patchogue, NY 11772

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21.15 mi away

Schedule Appointment 516-677-7728
Monday: 6:00 am-2:00 pm
Tuesday: 6:00 am-2:00 pm
Wednesday: 6:00 am-2:00 pm
Thursday: 6:00 am-2:00 pm
Friday: 6:00 am-2:00 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Medford - Employer Drug Testing Not Offered

570 Expressway Dr South,

Ste 101

Medford, NY 11763

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21.16 mi away

Schedule Appointment 516-677-7727
Monday: 6:00 am-2:30 pm
Tuesday: 6:00 am-2:30 pm
Wednesday: 6:00 am-2:30 pm
Thursday: 6:00 am-2:30 pm
Friday: 6:00 am-2:30 pm
Saturday: 6:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Port Jefferson

1010 Route 112,

2nd Fl

Port Jefferson Station, NY 11776

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21.52 mi away

Schedule Appointment 516-677-7729
Monday: 6:30 am-3:30 pm
Tuesday: 6:30 am-3:30 pm
Wednesday: 6:30 am-3:30 pm
Thursday: 6:30 am-3:30 pm
Friday: 6:30 am-3:30 pm
Saturday: 6:30 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Selden

91 College Plaza,

Unit A

Selden, NY 11784

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22.35 mi away

Schedule Appointment 516-677-7731
Monday: 7:00 am-3:30 pm
Tuesday: 7:00 am-3:30 pm
Wednesday: 7:00 am-3:30 pm
Thursday: 7:00 am-3:30 pm
Friday: 7:00 am-3:30 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Madison

11 Woodland Road,

Woodland Office Park, Unit 3B

Madison, CT 06443

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23.05 mi away

Schedule Appointment 203-318-7071
Monday: 7:30 am-3:30 pm
Tuesday: 7:30 am-3:30 pm
Wednesday: 7:30 am-3:30 pm
Thursday: 7:30 am-3:30 pm
Friday: 7:30 am-3:30 pm
Saturday: 7:30 am-11:30 am
Sunday: Closed
Quest Diagnostics - Guilford - Employer Drug Testing Not Offered

631 Boston Post Rd,

Guilford, CT 06437

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23.25 mi away

Schedule Appointment 203-884-1274
Monday: 6:30 am-3:30 pm
Tuesday: 6:30 am-3:30 pm
Wednesday: 6:30 am-3:30 pm
Thursday: 6:30 am-3:30 pm
Friday: 6:30 am-3:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - East Setauket Technology Drive

23 Technology Dr,

Ste 2

East Setauket, NY 11733

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23.89 mi away

Schedule Appointment 516-677-7723
Monday: 6:30 am-2:30 pm
Tuesday: 6:30 am-2:30 pm
Wednesday: 6:30 am-2:30 pm
Thursday: 6:30 am-2:30 pm
Friday: 6:30 am-2:30 pm
Saturday: 6:30 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Branford 2

1075 West Main Street,

Ste 2 Branhaven Plaza

Branford, CT 06405

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24.27 mi away

Schedule Appointment 475-321-7620
Monday: 7:00 am-4:00 pm
Tuesday: 7:00 am-4:00 pm
Wednesday: 7:00 am-4:00 pm
Thursday: 7:00 am-4:00 pm
Friday: 7:00 am-4:00 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Centereach - Employer Drug Testing Not Offered

2112 Middle Country Rd,

Centereach, NY 11720

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24.52 mi away

Schedule Appointment 631-372-2060
Monday: 8:00 am-4:00 pm
Tuesday: 8:00 am-4:00 pm
Wednesday: 8:00 am-4:00 pm
Thursday: 8:00 am-4:00 pm
Friday: 8:00 am-4:00 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - East Haven - Employer Drug Testing Not Offered

190 Main Street,

East Haven Mall/petonitos

East Haven, CT 06512

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25.4 mi away

Schedule Appointment 203-497-3158
Monday: 6:30 am-3:00 pm
Tuesday: 6:30 am-3:00 pm
Wednesday: 6:30 am-3:00 pm
Thursday: 6:30 am-3:00 pm
Friday: 6:30 am-3:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Old Saybrook

665 Boston Post Road,

Old Saybrook Shopping Center

Old Saybrook, CT 06475

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27.48 mi away

Schedule Appointment 860-339-4298
Monday: 7:00 am-4:00 pm
Tuesday: 7:00 am-4:00 pm
Wednesday: 7:00 am-4:00 pm
Thursday: 7:00 am-4:00 pm
Friday: 7:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Sayville

160 Middle Rd,

Sayville, NY 11782

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27.62 mi away

Schedule Appointment 516-677-7734
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
Quest Diagnostics - West Haven - Employer Drug Testing Not Offered

687 Campbell Avenue,

Back Of West Haven Medical Building

West Haven, CT 06516

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27.8 mi away

Schedule Appointment 203-937-2330
Monday: 7:30 am-4:30 pm
Tuesday: 7:30 am-4:30 pm
Wednesday: 7:30 am-4:30 pm
Thursday: 7:30 am-4:30 pm
Friday: 7:30 am-4:30 pm
Saturday: 7:30 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Orange - Employer Drug Testing Not Offered

240 Indian River Rd,

Orange, CT 06477

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28.59 mi away

Schedule Appointment 203-859-3507
Monday: 7:00 am-4:30 pm
Tuesday: 7:00 am-4:30 pm
Wednesday: 7:00 am-4:30 pm
Thursday: 7:00 am-4:30 pm
Friday: 7:00 am-4:30 pm
Saturday: 7:30 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Milford - Employer Drug Testing Not Offered

233 Broad St,

Milford, CT 06460

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28.95 mi away

Schedule Appointment 203-306-5066
Monday: 6:00 am-5:00 pm
Tuesday: 6:00 am-5:00 pm
Wednesday: 6:00 am-5:00 pm
Thursday: 6:00 am-5:00 pm
Friday: 6:00 am-5:00 pm
Saturday: 6:30 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Smithtown NY

300 E Main St,

Ste 3A

Smithtown, NY 11787

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29.06 mi away

Schedule Appointment 631-626-6201
Monday: 6:00 am-3:30 pm
Tuesday: 6:00 am-3:30 pm
Wednesday: 6:00 am-3:30 pm
Thursday: 6:00 am-3:30 pm
Friday: 6:00 am-3:30 pm
Saturday: 6:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Yale Health Members Only - Employer Drug Testing Not Offered

55 Lock Street-yale Health Members Only,

Lower Level

New Haven, CT 06511

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29.28 mi away

Schedule Appointment 866-697-8378
Monday: 7:30 am-5:00 pm
Tuesday: 7:30 am-5:00 pm
Wednesday: 7:30 am-5:00 pm
Thursday: 7:30 am-5:00 pm
Friday: 7:30 am-5:00 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - New Haven Sherman Avenue - Employer Drug Testing Not Offered

136 Sherman Ave,ste 101,

Sherman Medical Building

New Haven, CT 06511

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29.48 mi away

Schedule Appointment 203-716-6026
Monday: 7:00 am-11:30 am , 12:30 pm-4:00 pm
Tuesday: 7:00 am-11:30 am , 12:30 pm-4:00 pm
Wednesday: 7:00 am-11:30 am , 12:30 pm-4:00 pm
Thursday: 7:00 am-11:30 am , 12:30 pm-4:00 pm
Friday: 7:00 am-11:30 am , 12:30 pm-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Stratford Lordship Boulevard

555 Lordship Blvd,

First Floor

Stratford, CT 06615

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30.78 mi away

Schedule Appointment 203-290-3145
Monday: 7:00 am-4:00 pm
Tuesday: 7:00 am-4:00 pm
Wednesday: 7:00 am-4:00 pm
Thursday: 7:00 am-4:00 pm
Friday: 7:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Stratford Main Street - Employer Drug Testing Not Offered

2890 Main Street,

Stratford, CT 06614

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31.08 mi away

Schedule Appointment 203-455-9003
Monday: 6:00 am-5:00 pm
Tuesday: 6:00 am-5:00 pm
Wednesday: 6:00 am-5:00 pm
Thursday: 6:00 am-5:00 pm
Friday: 6:00 am-5:00 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Bridgeport Barnum Avenue - Employer Drug Testing Not Offered

1450 Barnum Ave,

Bridgeport, CT 06610

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32.0 mi away

Schedule Appointment 475-988-0509
Monday: 7:30 am-2:00 pm
Tuesday: 7:30 am-2:00 pm
Wednesday: 7:30 am-2:00 pm
Thursday: 7:30 am-2:00 pm
Friday: 7:30 am-2:00 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Hauppauge

490 Wheeler Rd,

Ste 190

Hauppauge, NY 11788

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32.07 mi away

Schedule Appointment 516-677-7724
Monday: 6:00 am-1:00 pm
Tuesday: 6:00 am-1:00 pm
Wednesday: 6:00 am-1:00 pm
Thursday: 6:00 am-1:00 pm
Friday: 6:00 am-1:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - North Haven Broadway Suite 7 - Employer Drug Testing Not Offered

2 Broadway,

Ste 7

North Haven, CT 06473

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32.31 mi away

Schedule Appointment 475-655-7605
Monday: 7:00 am-4:00 pm
Tuesday: 7:00 am-4:00 pm
Wednesday: 7:00 am-4:00 pm
Thursday: 7:00 am-4:00 pm
Friday: 7:00 am-4:00 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - North Haven - Employer Drug Testing Not Offered

172 Washington Ave,

North Haven, CT 06473

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32.71 mi away

Schedule Appointment 475-655-7563
Monday: 7:00 am-4:00 pm
Tuesday: 7:00 am-4:00 pm
Wednesday: 7:00 am-4:00 pm
Thursday: 7:00 am-4:00 pm
Friday: 7:00 am-4:00 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Hamden 3000 Dixwell Avenue

3000 Dixwell Ave,

Hamden, CT 06518

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32.74 mi away

Schedule Appointment 203-497-3157
Monday: 6:30 am-4:00 pm
Tuesday: 6:30 am-4:00 pm
Wednesday: 6:30 am-4:00 pm
Thursday: 6:30 am-4:00 pm
Friday: 6:30 am-4:00 pm
Saturday: 6:30 am-11:00 am
Sunday: Closed
Quest Diagnostics - Bridgeport East Main Street - Employer Drug Testing Not Offered

970 E. Main St,

Bridgeport, CT 06608

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32.84 mi away

Schedule Appointment 203-212-5824
Monday: 7:00 am-4:00 pm
Tuesday: 7:00 am-4:00 pm
Wednesday: 7:00 am-4:00 pm
Thursday: 7:00 am-4:00 pm
Friday: 7:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Shelton

515 Bridgeport Ave,

Shelton, CT 06484

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34.08 mi away

Schedule Appointment 475-269-0338
Monday: 6:00 am-5:00 pm
Tuesday: 6:00 am-5:00 pm
Wednesday: 6:00 am-5:00 pm
Thursday: 6:00 am-5:00 pm
Friday: 6:00 am-5:00 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Bridgeport Beechmont - Employer Drug Testing Not Offered

3180 Main St,

Beechmont Building, 1St Floor

Bridgeport, CT 06606

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34.59 mi away

Schedule Appointment 475-988-0510
Monday: 6:00 am-5:00 pm
Tuesday: 6:00 am-5:00 pm
Wednesday: 6:00 am-5:00 pm
Thursday: 6:00 am-5:00 pm
Friday: 6:00 am-5:00 pm
Saturday: 6:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Bay Shore

8 Saxon Ave,

Ste D

Bay Shore, NY 11706

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34.68 mi away

Schedule Appointment 516-677-7719
Monday: 6:00 am-3:30 pm
Tuesday: 6:00 am-3:30 pm
Wednesday: 6:00 am-3:30 pm
Thursday: 6:00 am-3:30 pm
Friday: 6:00 am-3:30 pm
Saturday: 6:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Commack

2171 Jericho Tpke,

Ste 102

Commack, NY 11725

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34.9 mi away

Schedule Appointment 516-677-7721
Monday: 6:00 am-3:30 pm
Tuesday: 6:00 am-3:30 pm
Wednesday: 6:00 am-3:30 pm
Thursday: 6:00 am-3:30 pm
Friday: 6:00 am-3:30 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Fairfield Post Road - Employer Drug Testing Not Offered

1305 Post Rd,

Ste 101

Fairfield, CT 06824

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35.02 mi away

Schedule Appointment 203-418-4026
Monday: 7:00 am-5:00 pm
Tuesday: 7:00 am-5:00 pm
Wednesday: 7:00 am-5:00 pm
Thursday: 7:00 am-5:00 pm
Friday: 7:00 am-5:00 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Derby - Employer Drug Testing Not Offered

299 Seymour Ave,

Derby, CT 06418

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35.52 mi away

Schedule Appointment 475-777-3484
Monday: 7:00 am-4:00 pm
Tuesday: 7:00 am-4:00 pm
Wednesday: 7:00 am-4:00 pm
Thursday: 7:00 am-4:00 pm
Friday: 7:00 am-4:00 pm
Saturday: 7:30 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Trumbull White Plains Road - Employer Drug Testing Not Offered

948 White Plains Rd,

Unit 5

Trumbull, CT 06611

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35.71 mi away

Schedule Appointment 203-400-6245
Monday: 6:00 am-4:00 pm
Tuesday: 6:00 am-4:00 pm
Wednesday: 6:00 am-4:00 pm
Thursday: 6:00 am-4:00 pm
Friday: 6:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Fairfield Black Rock - Employer Drug Testing Not Offered

2150 Black Rock Turnpike,

Bank of America Building, 2nd Floor

Fairfield, CT 06825

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36.0 mi away

Schedule Appointment 203-418-4459
Monday: 6:00 am-5:00 pm
Tuesday: 6:00 am-5:00 pm
Wednesday: 6:00 am-5:00 pm
Thursday: 6:00 am-5:00 pm
Friday: 6:00 am-5:00 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - East Lyme

15 Chesterfield Road,

East Lyme, CT 06333

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36.69 mi away

Schedule Appointment 860-850-1045
Monday: 7:00 am-4:00 pm
Tuesday: 7:00 am-4:00 pm
Wednesday: 7:00 am-4:00 pm
Thursday: 7:00 am-4:00 pm
Friday: 7:00 am-4:00 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Wallingford North Colony Rd

930 North Colony Road,

Wallingford, CT 06492

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37.73 mi away

Schedule Appointment 203-439-4116
Monday: 6:30 am-5:00 pm
Tuesday: 6:30 am-5:00 pm
Wednesday: 6:30 am-5:00 pm
Thursday: 6:30 am-5:00 pm
Friday: 6:30 am-5:00 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Trumbull Technology Drive - Employer Drug Testing Not Offered

115 Technology Dr,

1St Floor

Trumbull, CT 06611

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39.18 mi away

Schedule Appointment 475-239-5516
Monday: 6:00 am-4:30 pm
Tuesday: 6:00 am-4:30 pm
Wednesday: 6:00 am-4:30 pm
Thursday: 6:00 am-4:30 pm
Friday: 6:00 am-4:30 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - New London Bank Street

721 Bank Street,

New London, CT 06320

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39.41 mi away

Schedule Appointment 860-772-0751
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-11:00 am
Sunday: Closed
Quest Diagnostics - Cheshire

280 S Main St,

Suite 202

Cheshire, CT 06410

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39.9 mi away

Schedule Appointment 203-439-4110
Monday: 7:00 am-4:00 pm
Tuesday: 7:00 am-4:00 pm
Wednesday: 7:00 am-4:00 pm
Thursday: 7:00 am-4:00 pm
Friday: 7:00 am-4:00 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Huntington

175 E Main St,

Ste 105

Huntington, NY 11743

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40.49 mi away

Schedule Appointment 631-421-2682
Monday: 7:00 am-3:30 pm
Tuesday: 7:00 am-3:30 pm
Wednesday: 7:00 am-3:30 pm
Thursday: 7:00 am-3:30 pm
Friday: 7:00 am-3:30 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - MIddletown 2

440 Saybrook Rd,

Unit 2

Middletown, CT 06457

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40.72 mi away

Schedule Appointment 860-788-4854
Monday: 7:00 am-4:00 pm
Tuesday: 7:00 am-4:00 pm
Wednesday: 7:00 am-4:00 pm
Thursday: 7:00 am-4:00 pm
Friday: 7:00 am-4:00 pm
Saturday: 7:00 am-11:30 am
Sunday: Closed
Quest Diagnostics - Babylon

500 West Main St,

Suite 202-203

Babylon, NY 11702

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41.22 mi away

Schedule Appointment 516-677-7718
Monday: 6:30 am-3:00 pm
Tuesday: 6:30 am-3:00 pm
Wednesday: 6:30 am-3:00 pm
Thursday: 6:30 am-3:00 pm
Friday: 6:30 am-3:00 pm
Saturday: 6:30 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Meriden Broad Street

816 Broad Street, Ste 22,

The Beeches

Meriden, CT 06450

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41.35 mi away

Schedule Appointment 203-427-9079
Monday: 6:00 am-5:00 pm
Tuesday: 6:00 am-5:00 pm
Wednesday: 6:00 am-5:00 pm
Thursday: 6:00 am-5:00 pm
Friday: 6:00 am-5:00 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Norwalk 148 East Avenue - Employer Drug Testing Not Offered

148 East Avenue,

Norwalk, CT 06851

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41.98 mi away

Schedule Appointment 475-208-6963
Monday: 7:30 am-4:30 pm
Tuesday: 7:30 am-4:30 pm
Wednesday: 7:30 am-4:30 pm
Thursday: 7:30 am-4:30 pm
Friday: 7:30 am-4:30 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Midstate Medical Center - Employer Drug Testing Not Offered

435 Lewis Ave,

Meriden, CT 06451

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42.01 mi away

Schedule Appointment 203-427-9077
Monday: 7:00 am-12:00 pm , 1:00 pm-4:00 pm
Tuesday: 7:00 am-12:00 pm , 1:00 pm-4:00 pm
Wednesday: 7:00 am-12:00 pm , 1:00 pm-4:00 pm
Thursday: 7:00 am-12:00 pm , 1:00 pm-4:00 pm
Friday: 7:00 am-12:00 pm , 1:00 pm-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Norwalk Cross Street - Employer Drug Testing Not Offered

40 Cross St,

Ste 260

Norwalk, CT 06851

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42.73 mi away

Schedule Appointment 475-208-6966
Monday: 7:00 am-4:00 pm
Tuesday: 7:00 am-4:00 pm
Wednesday: 7:00 am-4:00 pm
Thursday: 7:00 am-4:00 pm
Friday: 7:00 am-4:00 pm
Saturday: 7:30 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Groton - Employer Drug Testing Not Offered

85 Poheganut Drive,

Groton, CT 06340

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43.66 mi away

Schedule Appointment 860-271-7357
Monday: 7:00 am-4:00 pm
Tuesday: 7:00 am-4:00 pm
Wednesday: 7:00 am-4:00 pm
Thursday: 7:00 am-4:00 pm
Friday: 7:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Prospect

166 Waterbury Rd,

Pond Place Med Bldg

Prospect, CT 06712

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43.82 mi away

Schedule Appointment 475-689-2389
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-12:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Newtown - Employer Drug Testing Not Offered

228 South Main St,

Tj Maxx Shopping Center

Newtown, CT 06470

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44.29 mi away

Schedule Appointment 475-444-8390
Monday: 6:00 am-12:00 pm
Tuesday: 6:00 am-12:00 pm
Wednesday: 6:00 am-12:00 pm
Thursday: 6:00 am-12:00 pm
Friday: 6:00 am-12:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Darien

557 Post Rd,

Darien, CT 06820

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44.48 mi away

Schedule Appointment 475-328-4366
Monday: 7:00 am-4:00 pm
Tuesday: 7:00 am-4:00 pm
Wednesday: 7:00 am-4:00 pm
Thursday: 7:00 am-4:00 pm
Friday: 7:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Plainview

146A Manetto Hill Rd,

Ste101

Plainview, NY 11803

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45.61 mi away

Schedule Appointment 516-677-7713
Monday: 6:00 am-3:00 pm
Tuesday: 6:00 am-3:00 pm
Wednesday: 6:00 am-3:00 pm
Thursday: 6:00 am-3:00 pm
Friday: 6:00 am-3:00 pm
Saturday: 6:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Colchester - Employer Drug Testing Not Offered

163 Broadway St,

Colchester, CT 06415

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46.12 mi away

Schedule Appointment 860-295-3458
Monday: 7:30 am-12:00 pm , 12:30 pm-4:00 pm
Tuesday: 7:30 am-12:00 pm , 12:30 pm-4:00 pm
Wednesday: 7:30 am-12:00 pm , 12:30 pm-4:00 pm
Thursday: 7:30 am-12:00 pm , 12:30 pm-4:00 pm
Friday: 7:30 am-12:00 pm , 12:30 pm-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Mystic - Employer Drug Testing Not Offered

23 Clara Dr,

Ste 204

Mystic, CT 06355

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46.45 mi away

Schedule Appointment 860-980-1483
Monday: 7:00 am-4:00 pm
Tuesday: 7:00 am-4:00 pm
Wednesday: 7:00 am-4:00 pm
Thursday: 7:00 am-4:00 pm
Friday: 7:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Syosset

269 Jericho Tpke,

Syosset, NY 11791

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46.85 mi away

Schedule Appointment 516-677-5355
Monday: 6:00 am-4:00 pm
Tuesday: 6:00 am-4:00 pm
Wednesday: 6:00 am-4:00 pm
Thursday: 6:00 am-4:00 pm
Friday: 6:00 am-4:00 pm
Saturday: 6:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Waterbury West Main Street - Employer Drug Testing Not Offered

1389 West Main Street, Suite 125,

Waterbury, CT 06708

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46.94 mi away

Schedule Appointment 475-689-2380
Monday: 6:00 am-5:00 pm
Tuesday: 6:00 am-5:00 pm
Wednesday: 6:00 am-5:00 pm
Thursday: 6:00 am-5:00 pm
Friday: 6:00 am-5:00 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Bethpage

4276 Hempstead Tpke,

Bethpage, NY 11714

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47.08 mi away

Schedule Appointment 516-677-7701
Monday: 6:00 am-3:30 pm
Tuesday: 6:00 am-3:30 pm
Wednesday: 6:00 am-3:30 pm
Thursday: 6:00 am-3:30 pm
Friday: 6:00 am-3:30 pm
Saturday: 6:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Southbury - Employer Drug Testing Not Offered

385 Main St S,

Southbury, CT 06488

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47.24 mi away

Schedule Appointment 203-405-4118
Monday: 7:00 am-4:00 pm
Tuesday: 7:00 am-4:00 pm
Wednesday: 7:00 am-4:00 pm
Thursday: 7:00 am-4:00 pm
Friday: 7:00 am-4:00 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Massapequa Park

4900 Merrick Road,

2nd Fl

Massapequa Park, NY 11762

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47.33 mi away

Schedule Appointment 516-677-7736
Monday: 6:00 am-3:30 pm
Tuesday: 6:00 am-3:30 pm
Wednesday: 6:00 am-3:30 pm
Thursday: 6:00 am-3:30 pm
Friday: 6:00 am-3:30 pm
Saturday: 6:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Norwich Salem Turnpike - Employer Drug Testing Not Offered

111 Salem Turnpike,

Norwich, CT 06360

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47.7 mi away

Schedule Appointment 860-934-0946
Monday: 6:00 am-5:00 pm
Tuesday: 6:00 am-5:00 pm
Wednesday: 6:00 am-5:00 pm
Thursday: 6:00 am-5:00 pm
Friday: 6:00 am-5:00 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Southington

99 Executive Blvd,

Southington, CT 06489

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47.72 mi away

Schedule Appointment 203-910-1451
Monday: 6:00 am-5:00 pm
Tuesday: 6:00 am-5:00 pm
Wednesday: 6:00 am-5:00 pm
Thursday: 6:00 am-5:00 pm
Friday: 6:00 am-5:00 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Seaford

850 Hicksville Rd,

Ste 114

Seaford, NY 11783

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47.74 mi away

Schedule Appointment 516-677-7716
Monday: 6:00 am-11:00 am , 12:00 pm-2:30 pm
Tuesday: 6:00 am-11:00 am , 12:00 pm-2:30 pm
Wednesday: 6:00 am-11:00 am , 12:00 pm-2:30 pm
Thursday: 6:00 am-11:00 am , 12:00 pm-2:30 pm
Friday: 6:00 am-11:00 am , 12:00 pm-2:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Marlborough - Employer Drug Testing Not Offered

3-5 E. Hampton Rd,

Suite 3B

Marlborough, CT 06447

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47.79 mi away

Schedule Appointment 860-324-7982
Monday: 6:30 am-3:00 pm
Tuesday: 6:30 am-3:00 pm
Wednesday: 6:30 am-3:00 pm
Thursday: 6:30 am-3:00 pm
Friday: 6:30 am-3:00 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Kensington - Employer Drug Testing Not Offered

320 New Britain Rd,

Kensington, CT 06037

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47.93 mi away

Schedule Appointment 860-259-2981
Monday: 7:30 am-4:00 pm
Tuesday: 7:30 am-4:00 pm
Wednesday: 7:30 am-4:00 pm
Thursday: 7:30 am-4:00 pm
Friday: 7:30 am-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Southington Queen Street

365 Queen Street,

Unit C

Southington, CT 06489

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48.15 mi away

Schedule Appointment 860-736-3632
Monday: 7:00 am-12:00 pm , 1:00 pm-4:00 pm
Tuesday: 7:00 am-12:00 pm , 1:00 pm-4:00 pm
Wednesday: 7:00 am-12:00 pm , 1:00 pm-4:00 pm
Thursday: 7:00 am-12:00 pm , 1:00 pm-4:00 pm
Friday: 7:00 am-12:00 pm , 1:00 pm-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Stamford Summer St

1250 Summer St,

Ste 203

Stamford, CT 06905

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48.28 mi away

Schedule Appointment 475-619-3857
Monday: 6:00 am-5:00 pm
Tuesday: 6:00 am-5:00 pm
Wednesday: 6:00 am-5:00 pm
Thursday: 6:00 am-5:00 pm
Friday: 6:00 am-5:00 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed

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Our company

Quest® is the brand name used for services offered by Quest Diagnostics Incorporated and its affiliated companies. Quest Diagnostics Incorporated and certain affiliates are CLIA-certified laboratories that provide HIPAA-covered services.  Other affiliates operated under the Quest® brand, such as Quest Consumer Inc., do not provide HIPAA-covered services. 

 

Quest®, Quest Diagnostics®, any associated logos, and all associated Quest Diagnostics registered or unregistered trademarks are the property of Quest Diagnostics. All third-party marks—® and ™—are the property of their respective owners. © 2025 Quest Diagnostics Incorporated. All rights reserved. Image content features models and is intended for illustrative purposes only.