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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 MA LLC - Shrewsbury Main Street - Employer Drug Testing Not Offered

604 Main St,

Lower Level

Shrewsbury, MA 01545

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3.76 mi away

Schedule Appointment 508-845-6521
Monday: 8:00 am-5:00 pm
Tuesday: 8:00 am-5:00 pm
Wednesday: 8:00 am-5:00 pm
Thursday: 8:00 am-5:00 pm
Friday: 8:00 am-5:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics MA LLC - Shrewsbury Julio Drive - Employer Drug Testing Not Offered

26 Julio Drive,

2Nd Floor

Shrewsbury, MA 01545

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4.05 mi away

Schedule Appointment 508-845-3615
Monday: 8:00 am-5:00 pm
Tuesday: 8:00 am-5:00 pm
Wednesday: 8:00 am-5:00 pm
Thursday: 8:00 am-5:00 pm
Friday: 8:00 am-5:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Northborough Southwest Cut Off - Employer Drug Testing Not Offered

333 Sw Cutoff,

Northborough, MA 01532

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5.22 mi away

Schedule Appointment 508-842-0230
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 - Clinton - Employer Drug Testing Not Offered

201 Highland St,

2Nd Fl, Ste 1

Clinton, MA 01510

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5.5 mi away

Schedule Appointment 978-368-1601
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 MA LLC - Worcester Lincoln Street - Employer Drug Testing Not Offered

291 Lincoln St,

Ste 306

Worcester, MA 01605

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5.87 mi away

Schedule Appointment 508-755-7573
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: Closed
Sunday: Closed
Quest Diagnostics - 1 W Boylston St Worcester, MA

1 W Boylston St,

Ste 102

Worcester, MA 01605

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6.37 mi away

Schedule Appointment 508-853-1208
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-11:00 am
Sunday: Closed
Quest Diagnostics - Worcester Shrewsbury Street - Employer Drug Testing Not Offered

328 Shrewsbury St,

Ste Ll1

Worcester, MA 01604

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6.42 mi away

Schedule Appointment 508-755-4445
Monday: 7:30 am-5:30 pm
Tuesday: 7:30 am-5:30 pm
Wednesday: 7:30 am-5:30 pm
Thursday: 7:30 am-5:30 pm
Friday: 7:30 am-5:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Worcester

100 MLK, Jr. Blvd,

Lower Level

Worcester, MA 01608

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7.11 mi away

Schedule Appointment 508-754-0178
Monday: 8:30 am-4:30 pm
Tuesday: 8:30 am-4:30 pm
Wednesday: 8:30 am-4:30 pm
Thursday: 8:30 am-4:30 pm
Friday: 8:30 am-4:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics MA LLC - Holden - Employer Drug Testing Not Offered

52 Boyden Rd,

Ste 203

Holden, MA 01520

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7.26 mi away

Schedule Appointment 508-829-8262
Monday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Tuesday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Wednesday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Thursday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Friday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics MA LLC - 154 East Main - Employer Drug Testing Not Offered

154 East Main Street,

Westborough, MA 01581

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7.75 mi away

Schedule Appointment 508-836-3674
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 MA LLC - Auburn - Employer Drug Testing Not Offered

250 Hampton St,

Grove Medical Building

Auburn, MA 01501

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11.09 mi away

Schedule Appointment 508-721-0939
Monday: 7:30 am-6:00 pm
Tuesday: 7:30 am-6:00 pm
Wednesday: 7:30 am-6:00 pm
Thursday: 7:30 am-6:00 pm
Friday: 7:30 am-6:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics MA LLC - Leominster North Main Street - Employer Drug Testing Not Offered

85 North Main Street,

Leominster, MA 01453

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12.96 mi away

Schedule Appointment 978-466-5785
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
Quest Diagnostics MA LLC - Sutton - Employer Drug Testing Not Offered

156-160 Worcester Providence Tpke,

Unit 14

Sutton, MA 01590

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13.16 mi away

Schedule Appointment 508-865-4888
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 - Leominster Erdman Way

79 Erdman Way,

Ste 100

Leominster, MA 01453

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13.87 mi away

Schedule Appointment 978-466-9009
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-11:00 am
Sunday: Closed
Quest Diagnostics - Fitchburg 370 Lunenburg

370 Lunenburg St,

Center Suite

Fitchburg, MA 01420

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16.59 mi away

Schedule Appointment 978-956-4049
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: Closed
Sunday: Closed
Quest Diagnostics - Framingham

61 Lincoln St,

Suite 308

Framingham, MA 01702

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16.61 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 - Ayer

198 Groton Rd,

Psc Ste 3

Ayer, MA 01432

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17.61 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 - Milford Water Street - Employer Drug Testing Not Offered

91 Water St,

Milford, MA 01757

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17.67 mi away

Schedule Appointment 508-482-9210
Monday: 8:00 am-12:00 pm , 1:00 pm-4:30 pm
Tuesday: 8:00 am-12:00 pm , 1:00 pm-4:30 pm
Wednesday: 8:00 am-12:00 pm , 1:00 pm-4:30 pm
Thursday: 8:00 am-12:00 pm , 1:00 pm-4:30 pm
Friday: 8:00 am-12:00 pm , 1:00 pm-4:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics MA LLC - Douglas - Employer Drug Testing Not Offered

15 West St,

1St Floor

Douglas, MA 01516

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19.41 mi away

Schedule Appointment 508-476-2365
Monday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Tuesday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Wednesday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Thursday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Friday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Gardner MA - Employer Drug Testing Not Offered

175 Connors St,

Lower Level

Gardner, MA 01440

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21.35 mi away

Schedule Appointment 978-632-3333
Monday: 8:00 am-5:00 pm
Tuesday: 8:00 am-5:00 pm
Wednesday: 8:00 am-5:00 pm
Thursday: 8:00 am-5:00 pm
Friday: 8:00 am-5:00 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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24.94 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

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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.