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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 - Naylors Court - Employer Drug Testing Not Offered

4000 Old Court Rd,

Suite 102

Pikesville, MD 21208

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0.76 mi away

Schedule Appointment 410-653-1030
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: 7:00 am-11:00 am
Quest Diagnostics - Woodholme - Employer Drug Testing Not Offered

1838 Greene Tree Rd,

Ste 280

Pikesville, MD 21208

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0.82 mi away

Schedule Appointment 410-653-3635
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: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Owings Mills

23 Crossroads Dr,

Suite 120

Owings Mills, MD 21117

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1.81 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
Owings Mills Internal Medicine - St. Joseph Medical Ctr.

5 Park Center Ct,

Ste 203

Owings Mills, MD 21117

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1.9 mi away

410-363-4900
Monday: 8:00 am-4:30 pm
Tuesday: 8:00 am-4:30 pm
Wednesday: 8:00 am-4:30 pm
Thursday: 8:00 am-4:30 pm
Friday: 8:00 am-4:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Garwyn Medical

2300 Garrison Blvd,

Suite 206

Baltimore, MD 21216

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5.48 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
Quest Diagnostics - Catonsville

2 E Rolling Crossroads,

Ste 51

Catonsville, MD 21228

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5.78 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
Quest Diagnostics - Lutherville

1205 York Road,

Suite 15A

Lutherville, MD 21093

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6.13 mi away

Schedule Appointment 443-682-2094
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
Towson Medical Associates - Towson Medical Associates

7801 York Rd,

Ste 102

Towson, MD 21204

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6.29 mi away

410-769-4965
Monday: 8:00 am-4:15 pm
Tuesday: 8:00 am-4:15 pm
Wednesday: 8:00 am-4:15 pm
Thursday: 8:00 am-4:15 pm
Friday: 8:00 am-4:15 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Fairmount Avenue - Employer Drug Testing Not Offered

515 Fairmount Ave,

Suite 403

Towson, MD 21286

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6.75 mi away

Schedule Appointment 410-296-1627
Monday: 7:30 am-5:30 pm
Tuesday: 7:30 am-6:00 pm
Wednesday: 7:30 am-6:00 pm
Thursday: 7:30 am-5:30 pm
Friday: 7:30 am-5:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Main Street - Employer Drug Testing Not Offered

750 Main St,

Suite 306

Reisterstown, MD 21136

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6.9 mi away

Schedule Appointment 410-833-0961
Monday: 8:00 am-12:00 pm , 12:30 pm-4:00 pm
Tuesday: 8:00 am-12:00 pm , 12:30 pm-4:00 pm
Wednesday: 8:00 am-12:00 pm , 12:30 pm-4:00 pm
Thursday: 8:00 am-12:00 pm , 12:30 pm-4:00 pm
Friday: 8:00 am-12:00 pm , 12:30 pm-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Catonsville: Maiden Choice - Employer Drug Testing Not Offered

724 Maiden Choice Lane,

Suite 101

Catonsville, MD 21228

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8.23 mi away

Schedule Appointment 410-788-1388
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 - Employer Drug Screens Not Offered - Inside Harford Rd Safeway Store

4401 Harford Rd,

Baltimore, MD 21214

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8.63 mi away

Schedule Appointment 410-444-2020
Monday: 6:30 am-12:00 pm , 1:00 pm-2:30 pm
Tuesday: 6:30 am-12:00 pm , 1:00 pm-2:30 pm
Wednesday: 6:30 am-12:00 pm , 1:00 pm-2:30 pm
Thursday: 6:30 am-12:00 pm , 1:00 pm-2:30 pm
Friday: 6:30 am-12:00 pm , 1:00 pm-2:30 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Ellicott City

9055 Chevrolet Drive,

Suite 101

Ellicott City, MD 21043

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9.41 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
Quest Diagnostics - Inside Safeway Store Carney

8858 Waltham Woods Rd,

Parkville, MD 21234

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9.49 mi away

Schedule Appointment 410-882-2525
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: 7:00 am-11:00 am
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.