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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 - Portsmouth - Employer Drug Testing Not Offered

200 Griffin Rd,

Ste 12

Portsmouth, NH 03801

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8.09 mi away

Schedule Appointment 603-431-3294
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: Closed
Sunday: Closed
Quest Diagnostics - Haverhill

62 Brown St,

Ste 202

Haverhill, MA 01830

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16.41 mi away

Schedule Appointment 978-556-5655
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: Closed
Sunday: Closed
Quest Diagnostics - Dover - Employer Drug Testing Not Offered

15 Durham Rd,

Suite A

Dover, NH 03820

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16.59 mi away

Schedule Appointment 603-919-2500
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: Closed
Sunday: Closed
Quest Diagnostics - Methuen 380R Merrimack Street - Employer Drug Testing Not Offered

380R Merrimack Street,

Suite 102

Methuen, MA 01844

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20.47 mi away

Schedule Appointment 978-975-9878
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: Closed
Sunday: Closed
Quest Diagnostics - Holy Family Methuen

60 East St,

Ste 1200

Methuen, MA 01844

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22.9 mi away

Schedule Appointment 978-688-5828
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: Closed
Sunday: Closed
Quest Diagnostics - Lawrence

101 Amesbury St, Suite 204,

Lawrence, MA 01840

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23.61 mi away

Schedule Appointment 978-975-4098
Monday: 9:00 am-2:30 pm , 3:30 pm-5:00 pm
Tuesday: 9:00 am-2:30 pm , 3:30 pm-5:00 pm
Wednesday: 9:00 am-2:30 pm , 3:30 pm-5:00 pm
Thursday: 9:00 am-2:30 pm , 3:30 pm-5:00 pm
Friday: 9:00 am-2:30 pm , 3:30 pm-5:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - North Andover

203 Turnpike St,

Suite 300B

North Andover, MA 01845

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24.04 mi away

Schedule Appointment 978-409-0018
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: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Stiles Rd

8 Stiles Rd,

Ste 111

Salem, NH 03079

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24.73 mi away

Schedule Appointment 603-890-6053
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-11:00 am
Sunday: Closed
Quest Diagnostics - Derry - Employer Drug Testing Not Offered

14 Tsienneto Rd,

Building A, 2Nd Floor

Derry, NH 03038

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25.81 mi away

Schedule Appointment 603-425-7614
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 - Derry - Employer Drug Testing Not Offered

6 Tsienneto Road,

Suite LL102

Derry, NH 03038

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25.98 mi away

603-437-3870
Monday: 6:00 am-8:00 pm
Tuesday: 6:00 am-8:00 pm
Wednesday: 6:00 am-8:00 pm
Thursday: 6:00 am-8:00 pm
Friday: 6:00 am-5:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Londonderry

50 Michels Way,

Suite 207

Londonderry, NH 03053

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27.52 mi away

Schedule Appointment 603-851-6901
Monday: 7:00 am-8:00 pm
Tuesday: 7:00 am-8:00 pm
Wednesday: 7:00 am-8:00 pm
Thursday: 7:00 am-8:00 pm
Friday: 7:00 am-5:00 pm
Saturday: 6:30 am-3:00 pm
Sunday: Closed
Quest Diagnostics - Danvers

180 Endicott Street,

Danvers, MA 01923

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27.75 mi away

Schedule Appointment 978-777-7879
Monday: 8:30 am-4:00 pm
Tuesday: 8:30 am-4:00 pm
Wednesday: 8:30 am-4:00 pm
Thursday: 8:30 am-4:00 pm
Friday: 8:30 am-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Pelham

49 Atwood Road,

Pelham, NH 03076

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29.46 mi away

Schedule Appointment 603-537-8156
Monday: 7:30 am-12:30 pm , 1:30 pm-4:00 pm
Tuesday: 7:30 am-12:30 pm , 1:30 pm-4:00 pm
Wednesday: 7:30 am-12:30 pm , 1:30 pm-4:00 pm
Thursday: 7:30 am-12:30 pm , 1:30 pm-4:00 pm
Friday: 7:30 am-12:30 pm , 1:30 pm-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Lowell

700 Rogers St,

Lowell, MA 01852

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31.78 mi away

Schedule Appointment 978-458-7980
Monday: 8:00 am-1:00 pm , 2:00 pm-5:00 pm
Tuesday: 8:00 am-1:00 pm , 2:00 pm-5:00 pm
Wednesday: 8:00 am-12:00 pm
Thursday: 8:00 am-1:00 pm , 2:00 pm-5:00 pm
Friday: 8:00 am-1:00 pm , 2:00 pm-5:00 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Manchester

195 Mcgregor Street,

Ste 25 Center Entrance

Manchester, NH 03102

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33.82 mi away

Schedule Appointment 603-626-1249
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: Closed
Sunday: Closed
Quest Diagnostics - Bedford NH

160 South River Road,

Bedford, NH 03110

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33.96 mi away

Schedule Appointment 603-621-0110
Monday: 7:00 am-7:00 pm
Tuesday: 7:00 am-7:00 pm
Wednesday: 7:00 am-7:00 pm
Thursday: 7:00 am-7:00 pm
Friday: 7:00 am-5:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Melrose - Employer Drug Testing Not Offered

50 Tremont St,

Ste 102

Melrose, MA 02176

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35.41 mi away

Schedule Appointment 781-979-0806
Monday: 8:00 am-11:30 am , 12:30 pm-4:00 pm
Tuesday: 8:00 am-11:30 am , 12:30 pm-4:00 pm
Wednesday: 8:00 am-11:30 am , 12:30 pm-4:00 pm
Thursday: 8:00 am-11:30 am , 12:30 pm-4:00 pm
Friday: Closed
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Main Street Nashua

300 Main St,

Suite 301B. Next To The Zoo Health Club

Nashua, NH 03060

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35.47 mi away

Schedule Appointment 603-578-0323
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 - Chelmsford

39 Village Square,

Chelmsford, MA 01824

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36.09 mi away

Schedule Appointment 978-256-1268
Monday: 8:00 am-12:00 pm , 1:00 pm-4:00 pm
Tuesday: 8:00 am-12:00 pm , 1:00 pm-4:00 pm
Wednesday: 8:00 am-12:00 pm , 1:00 pm-4:00 pm
Thursday: 8:00 am-12:00 pm , 1:00 pm-4:00 pm
Friday: 8:00 am-12:00 pm , 1:00 pm-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Arlington

22 Mill Street, Suite 107,

Arlington, MA 02476

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39.98 mi away

Schedule Appointment 781-641-1941
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 - Goffstown

89 S Mast St,

Goffstown, NH 03045

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40.11 mi away

Schedule Appointment 603-497-7599
Monday: 7:00 am-12:00 pm , 12:30 pm-3:30 pm
Tuesday: 7:00 am-12:00 pm , 12:30 pm-3:30 pm
Wednesday: 7:00 am-12:00 pm , 12:30 pm-3:30 pm
Thursday: 7:00 am-12:00 pm , 12:30 pm-3:30 pm
Friday: 7:00 am-12:00 pm , 12:30 pm-3:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Concord Hall St

81 Hall St,

2Nd Floor

Concord, NH 03301

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40.22 mi away

Schedule Appointment 603-223-0307
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: Closed
Sunday: Closed
Quest Diagnostics - Amherst - Employer Drug Testing Not Offered

282 State Route 101,

Suite 1

Amherst, NH 03031

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40.52 mi away

Schedule Appointment 603-249-5306
Monday: 6:30 am-12:00 pm , 1:00 pm-3:30 pm
Tuesday: 6:30 am-12:00 pm , 1:00 pm-3:30 pm
Wednesday: 6:30 am-12:00 pm , 1:00 pm-3:30 pm
Thursday: 6:30 am-12:00 pm , 1:00 pm-3:30 pm
Friday: 6:30 am-12:00 pm , 1:00 pm-3:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Beacon St

1180 Beacon St,

Ste 3A

Brookline, MA 02446

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43.79 mi away

Schedule Appointment 617-232-5733
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: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Longwood

319 Longwood Ave,

First Floor, Suite 1

Boston, MA 02115

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44.03 mi away

Schedule Appointment 617-731-2240
Monday: 8:30 am-4:00 pm
Tuesday: 8:30 am-4:00 pm
Wednesday: 8:30 am-4:00 pm
Thursday: 8:30 am-4:00 pm
Friday: 8:30 am-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - 11 Nevins Suite 502

11 Nevins St,

Mob Suite 502

Brighton, MA 02135

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44.04 mi away

Schedule Appointment 617-787-1040
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 - Brighton Washington Street - Employer Drug Testing Not Offered

280 Washington St, Suite 101,

Brighton, MA 02135

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44.21 mi away

Schedule Appointment 617-562-1533
Monday: 8:00 am-5:30 pm
Tuesday: 8:00 am-5:30 pm
Wednesday: 8:00 am-5:30 pm
Thursday: 8:00 am-5:30 pm
Friday: 8:00 am-5:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Waltham - Employer Drug Testing Not Offered

20 Hope Ave,

Ste 311

Waltham, MA 02453

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45.09 mi away

Schedule Appointment 781-647-0347
Monday: 8:00 am-12:30 pm , 1:00 pm-4:00 pm
Tuesday: 8:00 am-12:30 pm , 1:00 pm-4:00 pm
Wednesday: 8:00 am-12:30 pm , 1:00 pm-4:00 pm
Thursday: 8:00 am-12:30 pm , 1:00 pm-4:00 pm
Friday: 8:00 am-12:30 pm , 1:00 pm-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Ayer

198 Groton Rd,

Psc Ste 3

Ayer, MA 01432

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46.26 mi away

Schedule Appointment 978-501-4881
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: Closed
Sunday: Closed
Quest Diagnostics MA LLC - Mattapan - Employer Drug Testing Not Offered

1575 Blue Hill Ave,

Mattapan, MA 02126

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48.33 mi away

Schedule Appointment 617-696-0990
Monday: 8:30 am-7:00 pm
Tuesday: 8:30 am-4:30 pm
Wednesday: 8:30 am-4:30 pm
Thursday: 8:30 am-4:30 pm
Friday: 9:00 am-4:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Cohasset

223 Chief Justice Cushing Hwy,

Lower Level 3

Cohasset, MA 02025

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48.48 mi away

Schedule Appointment 781-383-0180
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 - Crown Colony

500 Congress St, Ste 1E,

Crown Colony Medical Center

Quincy, MA 02169

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49.74 mi away

Schedule Appointment 617-773-0080
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

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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.