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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 - Hyannis

69 Camp St,

Hyannis, MA 02601

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1.85 mi away

Schedule Appointment 508-778-0778
Monday: 6:30 am-4:30 pm
Tuesday: 6:30 am-4:30 pm
Wednesday: 6:30 am-4:30 pm
Thursday: 6:30 am-4:30 pm
Friday: 6:30 am-4:30 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Yarmouth Port

923 Main Street Route 6A,

Yarmouth Port, MA 02675

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4.48 mi away

Schedule Appointment 508-362-3833
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 - Osterville, MA - Employer Drug Testing Not Offered

23 W Bay Rd,

Ste B

Osterville, MA 02655

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7.82 mi away

Schedule Appointment 508-428-0973
Monday: 6:00 am-12:00 pm , 1:00 pm-2:00 pm
Tuesday: 6:00 am-12:00 pm , 1:00 pm-2:00 pm
Wednesday: 6:00 am-12:00 pm , 1:00 pm-2:00 pm
Thursday: 6:00 am-12:00 pm , 1:00 pm-2:00 pm
Friday: 6:00 am-12:00 pm , 1:00 pm-2:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Harwichport

710 Route 28,

Harwich Port, MA 02646

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9.64 mi away

Schedule Appointment 508-514-1966
Monday: 8:00 am-12:30 pm , 1:00 pm-5:00 pm
Tuesday: 8:00 am-12:30 pm , 1:00 pm-5:00 pm
Wednesday: 8:00 am-12:30 pm , 1:00 pm-5:00 pm
Thursday: 9:00 am-12:30 pm , 1:00 pm-6:00 pm
Friday: 8:00 am-12:30 pm , 1:00 pm-5:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Harwich

1421 Orleans Rd Route 39,

2Nd Fl Ste S102

East Harwich, MA 02645

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12.07 mi away

Schedule Appointment 508-432-7764
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 - Falmouth

350 Gifford St Ste 15-17,

In Homeport

Falmouth, MA 02540

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20.7 mi away

Schedule Appointment 508-540-2642
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 - Wareham

106 Main St,

Suite 4

Wareham, MA 02571

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25.87 mi away

Schedule Appointment 508-295-0477
Monday: 7:30 am-12:00 pm , 1:00 pm-3:30 pm
Tuesday: 7:30 am-12:00 pm , 1:00 pm-3:30 pm
Wednesday: 7:30 am-12:00 pm , 1:00 pm-3:30 pm
Thursday: 7:30 am-12:00 pm , 1:00 pm-3:30 pm
Friday: 7:30 am-12:00 pm , 1:00 pm-3:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Plymouth

57 Long Pond Rd,

Plymouth, MA 02360

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28.88 mi away

Schedule Appointment 508-747-1570
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: 8:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Carver

68 N Main St,

2Nd Fl

Carver, MA 02330

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34.68 mi away

Schedule Appointment 774-266-7598
Monday: 7:30 am-12:00 pm , 12:30 pm-2:00 pm
Tuesday: 7:30 am-12:00 pm , 12:30 pm-2:00 pm
Wednesday: 7:30 am-12:00 pm , 12:30 pm-2:00 pm
Thursday: 7:30 am-12:00 pm , 12:30 pm-2:00 pm
Friday: 7:30 am-12:00 pm , 12:30 pm-2:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - New Bedford

651 Orchard St,

Ste 202A

New Bedford, MA 02744

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36.65 mi away

Schedule Appointment 508-992-1474
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-1:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - North Dartmouth 237 State Road

237 State Rd,

North Dartmouth, MA 02747

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39.22 mi away

Schedule Appointment 508-999-9889
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 - Middleborough - Employer Drug Testing Not Offered

511 W Grove St,

Suite 208

Middleboro, MA 02346

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41.26 mi away

Schedule Appointment 508-947-1122
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 - Taunton Thayer Building - Employer Drug Testing Not Offered

72 Washington St,

Ste 2500

Taunton, MA 02780

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48.36 mi away

Schedule Appointment 508-822-3050
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 - Fall River

101 PRESIDENT AVE,

STE 1

Fall River, MA 02720

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48.49 mi away

Schedule Appointment 508-324-4105
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: Closed
Sunday: Closed
Quest Diagnostics - Brockton

210 Quincy Ave,

Brockton, MA 02302

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49.56 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

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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.