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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 - Catonsville

2 E Rolling Crossroads,

Ste 51

Catonsville, MD 21228

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2.44 mi away

Schedule Appointment 410-744-5654
Monday: 7:30 am-12:00 pm , 12:30 pm-3:30 pm
Tuesday: 7:30 am-12:00 pm , 12:30 pm-3:30 pm
Wednesday: 7:30 am-12:00 pm , 12:30 pm-3:30 pm
Thursday: 7:30 am-12:00 pm , 12:30 pm-3:30 pm
Friday: 7:30 am-12:00 pm , 12:30 pm-3:30 pm
Saturday: Closed
Sunday: Closed
DOT Exam Express - Halethorpe (Preferred)

4601 Benson Ave,

Halethorpe, MD 21227

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3.46 mi away

443-234-9277
Monday: 8:00 am-6:30 pm
Tuesday: 8:00 am-6:30 pm
Wednesday: 8:00 am-6:30 pm
Thursday: 8:00 am-6:30 pm
Friday: 8:00 am-6:30 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Ellicott City

9055 Chevrolet Drive,

Suite 101

Ellicott City, MD 21043

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4.18 mi away

Schedule Appointment 410-750-6485
Monday: 7:30 am-12:00 pm , 12:30 pm-4:00 pm
Tuesday: 7:30 am-12:00 pm , 12:30 pm-4:00 pm
Wednesday: 7:30 am-12:00 pm , 12:30 pm-4:00 pm
Thursday: 7:30 am-12:00 pm , 12:30 pm-4:00 pm
Friday: 7:30 am-12:00 pm , 12:30 pm-4:00 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
IMA - Baltimore (Preferred)

1421 S Caton Ave,

Fl 203

Baltimore, MD 21227

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4.33 mi away

667-205-1472
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
Baltimore DOT Physical (Preferred)

3513 Washington Blvd,

Halethorpe, MD 21227

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4.33 mi away

443-642-7765
Monday: 8:00 am-6:30 pm
Tuesday: 8:00 am-6:30 pm
Wednesday: 8:00 am-6:30 pm
Thursday: 8:00 am-6:30 pm
Friday: 8:00 am-6:30 pm
Saturday: 9:00 am-1:00 pm
Sunday: Closed
ARCpoint Labs of Columbia-Elkridge (Preferred)

6020 Meadowridge Center Dr,

Ste O

Elkridge, MD 21075

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4.66 mi away

410-781-1776
Monday: 9:00 am-2:00 pm
Tuesday: 9:00 am-2:00 pm
Wednesday: 9:00 am-2:00 pm
Thursday: 9:00 am-2:00 pm
Friday: 9:00 am-2:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Garwyn Medical

2300 Garrison Blvd,

Suite 206

Baltimore, MD 21216

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4.73 mi away

Schedule Appointment 410-233-7507
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
First Call Occ Health - Columbia (Preferred)

6250 Old Dobbin Lane,

Columbia, MD 21045

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6.03 mi away

410-694-7999
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
First Call Medical Ctr - Ellicott City (Preferred)

10120 Baltimore National Pike,

Ellicott City, MD 21042

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6.1 mi away

443-698-8668
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: 8:00 am-8:00 pm
Sunday: Closed
Quest Diagnostics - Columbia Medical Center

11055 Little Patuxent Pkwy,

Suite 202

Columbia, MD 21044

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8.29 mi away

Schedule Appointment 410-740-0063
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: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Inside Hanover Safeway Store

7643 Arundel Mills Blvd,

Hanover, MD 21076

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8.33 mi away

Schedule Appointment 410-799-7799
Monday: 7:00 am-11:30 am , 12:30 pm-4:00 pm
Tuesday: 7:00 am-11:30 am , 12:30 pm-4:00 pm
Wednesday: 7:00 am-11:30 am , 12:30 pm-4:00 pm
Thursday: 7:00 am-11:30 am , 12:30 pm-4:00 pm
Friday: 7:00 am-11:30 am , 12:30 pm-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Owings Mills

23 Crossroads Dr,

Suite 120

Owings Mills, MD 21117

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8.76 mi away

Schedule Appointment 410-581-9812
Monday: 7:00 am-12:00 pm , 12:30 pm-3:00 pm
Tuesday: 7:00 am-12:00 pm , 12:30 pm-3:00 pm
Wednesday: 7:00 am-12:00 pm , 12:30 pm-3:00 pm
Thursday: 7:00 am-12:00 pm , 12:30 pm-3:00 pm
Friday: 7:00 am-12:00 pm , 12:30 pm-3:00 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed

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Our safety precautions help ensure your confidence and comfort while visiting our Patient Service Centers to get the testing you need, today and every day.

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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.