Quest Diagnostics

Lab Testing at Quest Diagnostics - Aspen Ridge

Quest Diagnostics Patient Service Center in Frederick, MD 21702.

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Popular tests at this location:

TSH Lipid Panel CBC A1C Testosterone Vitamin D CMP

Address

165 Thomas Johnson Dr Liberty Professional Bldg Suite H
Frederick, MD 21702
Frederick County

301-662-9298

Hours

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	7:00 AM – 11:00 AM
Sunday	Closed

Nearby alternatives

LabCorp Frederick
161 Thomas Johnson Dr, Frederick, MD 21702
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LabCorp Frederick
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LabCorp Mount Airy
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About this location

Quest Diagnostics Patient Service Center. Quest Diagnostics operates one of the largest networks of clinical laboratories in the United States, offering a wide range of diagnostic tests for patients, physicians, and employers.

Listing last updated 2026-04-25.