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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 - Longwood

319 Longwood Ave,

First Floor Suite 1

Boston, MA 02115

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2.58 mi away

Schedule Appointment 617-731-2240
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 - Beacon St

1180 Beacon St,

Ste 3A

Brookline, MA 02446

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2.76 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 - 11 Nevins Suite 502

11 Nevins St,

Mob Suite 502

Brighton, MA 02135

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4.31 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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4.46 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 - Arlington

22 MILL ST,

STE 107

Arlington, MA 02476

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6.13 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 MA LLC - Mattapan - Employer Drug Testing Not Offered

1575 Blue Hill Ave,

Mattapan, MA 02126

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6.53 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: 9:00 am-1:00 pm
Sunday: Closed
Quest Diagnostics - Melrose - Employer Drug Testing Not Offered

50 Tremont St,

Ste 102

Melrose, MA 02176

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6.82 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 - Crown Colony

500 Congress St Ste 1E,

Crown Colony Medical Center

Quincy, MA 02169

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9.23 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
Quest Diagnostics - Waltham - Employer Drug Testing Not Offered

20 Hope Ave,

Ste 311

Waltham, MA 02453

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9.56 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 - Braintree

340 Wood Rd,

SUITE 302

Braintree, MA 02184

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10.19 mi away

Schedule Appointment 781-849-7993
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: Closed
Sunday: Closed
Quest Diagnostics - Nahatan St Norwood

134 Nahatan St,

Suite 142

Norwood, MA 02062

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13.56 mi away

Schedule Appointment 781-769-5128
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 - Weymouth

851 Main St,

Nevin Bldg 2Nd Floor Suite 17

South Weymouth, MA 02190

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14.15 mi away

Schedule Appointment 781-335-4208
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: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Chapel Street - Employer Drug Testing Not Offered

95 CHAPEL ST,

STE G5

Norwood, MA 02062

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14.44 mi away

Schedule Appointment 781-762-1712
Monday: 8:00 am-12:30 pm , 1:00 pm-4:30 pm
Tuesday: 8:00 am-12:30 pm , 1:00 pm-4:30 pm
Wednesday: 8:00 am-12:30 pm , 1:00 pm-4:30 pm
Thursday: 8:00 am-12:30 pm , 1:00 pm-4:30 pm
Friday: 8:00 am-12:30 pm , 1:00 pm-4:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Danvers

180 Endicott St,

Danvers, MA 01923

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14.48 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 - Cohasset

223 Chief Justice Cushing Hwy,

Lower Level 3

Cohasset, MA 02025

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15.17 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 - Brockton Oak Street - Employer Drug Testing Not Offered

830 Oak St,

Suite 103 West

Brockton, MA 02301

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18.23 mi away

Schedule Appointment 508-588-0308
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 - Brockton Pearl Street - Employer Drug Testing Not Offered

1 Pearl St,

Lower Level

Brockton, MA 02301

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18.88 mi away

Schedule Appointment 508-584-2010
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 - Brockton

210 Quincy Ave,

Brockton, MA 02302

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19.31 mi away

Schedule Appointment 508-586-5955
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 - Framingham

61 Lincoln St,

Ste 308

Framingham, MA 01702

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19.31 mi away

Schedule Appointment 508-370-7341
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 - Lowell

700 Rogers St,

Lowell, MA 01852

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21.69 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 - North Andover

203 Turnpike St,

Suite 300B

North Andover, MA 01845

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21.76 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 - Chelmsford

39 Village Sq,

Chelmsford, MA 01824

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22.26 mi away

Schedule Appointment 978-256-1268
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: Closed
Sunday: Closed
Quest Diagnostics - Foxboro

10 Commercial St,

Job Lot Plaza

Foxboro, MA 02035

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23.23 mi away

Schedule Appointment 508-698-1721
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,

STE 204

Lawrence, MA 01840

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24.49 mi away

Schedule Appointment 978-975-4098
Monday: 8:00 am-12:30 pm , 1:30 pm-5:00 pm
Tuesday: 8:00 am-12:30 pm , 1:30 pm-5:00 pm
Wednesday: 8:00 am-12:30 pm , 1:30 pm-5:00 pm
Thursday: 8:00 am-12:30 pm , 1:30 pm-5:00 pm
Friday: 8:00 am-12:30 pm , 1:30 pm-5:00 pm
Saturday: Closed
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. © 2026 Quest Diagnostics Incorporated. All rights reserved. Image content features models and is intended for illustrative purposes only.