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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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US Facilities & Operations International Facilities & Operations

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Quest Diagnostics - Plainsboro Town Center

3 Liberty St,

Ste 1016

Plainsboro, NJ 08536

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7.14 mi away

Schedule Appointment 609-897-1222
Monday: 7:00 am-2:30 pm
Tuesday: 7:00 am-2:30 pm
Wednesday: 7:00 am-2:30 pm
Thursday: 7:00 am-2:30 pm
Friday: 7:00 am-2:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Jamesburg

333 Forsgate Dr,

Ste 203

Jamesburg, NJ 08831

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7.32 mi away

Schedule Appointment 732-656-9651
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: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Hamilton

1225 Whitehorse Mercerville Rd,

Ste 201

Hamilton, NJ 08619

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9.94 mi away

Schedule Appointment 609-581-7767
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: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Lawrenceville

168 Franklin Corner Rd,

Bldg 2 Ste 1D

Lawrenceville, NJ 08648

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10.57 mi away

Schedule Appointment 609-637-0300
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 - Freehold

260 Mounts Corner Dr,

Freehold, NJ 07728

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11.01 mi away

Schedule Appointment 732-462-9020
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: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Princeton

601 Ewing St,

Ste C22

Princeton, NJ 08540

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11.28 mi away

Schedule Appointment 609-688-9168
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: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Manalapan

50 Franklin Ln,

Ste 202

Manalapan, NJ 07726

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11.91 mi away

Schedule Appointment 732-536-3245
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 - East Brunswick

1020 Route 18,

Unit 007

East Brunswick, NJ 08816

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13.71 mi away

Schedule Appointment 732-967-1920
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 - Trenton Ewing - Employer Drug Testing Not Offered

795 Parkway Ave,

Unit A7

Trenton, NJ 08618

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14.68 mi away

Schedule Appointment 609-406-0900
Monday: 6:30 am-12:00 pm , 12:40 pm-3:00 pm
Tuesday: 6:30 am-12:00 pm , 12:40 pm-3:00 pm
Wednesday: 6:30 am-12:00 pm , 12:40 pm-3:00 pm
Thursday: 6:30 am-12:00 pm , 12:40 pm-3:00 pm
Friday: 6:30 am-12:00 pm , 12:40 pm-3:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Somerset

49 Veronica Ave,

Ste 203

Somerset, NJ 08873

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15.8 mi away

Schedule Appointment 732-873-3277
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: 7:30 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Howell

4530 Route 9 South,

Howell, NJ 07731

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16.99 mi away

Schedule Appointment 732-363-2323
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: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Levittown

153 Levittown Pkwy,

Suite 5A

Levittown, PA 19055

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17.93 mi away

Schedule Appointment 215-316-9489
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 - Hillsborough Centre

649 Rte 206,

Unit 9

Hillsborough, NJ 08844

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18.45 mi away

Schedule Appointment 908-533-9341
Monday: 7:00 am-11:30 am , 12:30 pm-3:00 pm
Tuesday: 7:00 am-11:30 am , 12:30 pm-3:00 pm
Wednesday: 7:00 am-11:30 am , 12:30 pm-3:00 pm
Thursday: 7:00 am-11:30 am , 12:30 pm-3:00 pm
Friday: 7:00 am-11:30 am , 12:30 pm-3:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Langhorne

586 Middletown Blvd,

Suite C-11

Langhorne, PA 19047

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19.9 mi away

Schedule Appointment 215-750-9481
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: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Hazlet Town Center

3052 State Route 35,

Hazlet, NJ 07730

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20.98 mi away

Schedule Appointment 732-335-8035
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: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Edison Amboy Avenue

1199 Amboy Ave,

Store A4

Edison, NJ 08837

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21.4 mi away

Schedule Appointment 732-494-6380
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 - Bound Brook

601 W Union Ave,

Bound Brook, NJ 08805

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21.98 mi away

Schedule Appointment 732-563-1450
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 - Village at Newtown - Employer Drug Testing Not Offered

2118 S Eagle Rd,

Store 14

Newtown, PA 18940

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22.73 mi away

Schedule Appointment 215-579-1968
Monday: 7:00 am-11:30 am , 12:10 pm-3:30 pm
Tuesday: 7:00 am-11:30 am , 12:10 pm-3:30 pm
Wednesday: 7:00 am-11:30 am , 12:10 pm-3:30 pm
Thursday: 7:00 am-11:30 am , 12:10 pm-3:30 pm
Friday: 7:00 am-11:30 am , 12:10 pm-3:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - South Plainfield

904 Oak Tree Ave,

Ste K

South Plainfield, NJ 07080

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23.42 mi away

Schedule Appointment 908-822-1602
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: 7:30 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Brick NJ

101 Prosper Way,

Unit 5, Suite E

Brick, NJ 08723

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23.45 mi away

Schedule Appointment 848-241-5427
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: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Staten Island Tottenville Square

7001 Amboy Rd,

Tottenville Square Shopping Center

Staten Island, NY 10307

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23.48 mi away

Schedule Appointment 718-227-9961
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-1:00 pm
Sunday: Closed
Quest Diagnostics - Mount Holly

1613 Route 38,

Lumberton, NJ 08048

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23.78 mi away

Schedule Appointment 609-267-7933
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: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Rancocas Valley

220 Sunset Rd,

Ste 5D

Willingboro, NJ 08046

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24.08 mi away

Schedule Appointment 609-835-1959
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: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Red Bank

240 Maple Ave,

Red Bank, NJ 07701

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24.39 mi away

Schedule Appointment 732-530-3787
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 - Toms River Mule Road

600 Mule Rd,

Unit 24A

Toms River, NJ 08755

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24.84 mi away

Schedule Appointment 732-818-0575
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: 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. © 2025 Quest Diagnostics Incorporated. All rights reserved. Image content features models and is intended for illustrative purposes only.