Quest Diagnostics

Lab Testing at Quest Diagnostics - Lansdowne

Quest Diagnostics Patient Service Center in Leesburg, VA 20176.

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Popular tests at this location:

TSH Lipid Panel CBC A1C Testosterone Vitamin D CMP

Address

19415 Deerfield Ave Suite 115b
Leesburg, VA 20176
Loudoun County

703-729-6732

Hours

Monday	7:30 AM – 11:30, 12:30
Tuesday	7:30 AM – 11:30, 12:30
Wednesday	7:30 AM – 11:30, 12:30
Thursday	7:30 AM – 11:30, 12:30
Friday	7:30 AM – 11:30, 12:30
Saturday	Closed
Sunday	Closed

Nearby alternatives

LabCorp Ashburn
20321 Susan Leslie Dr, Ashburn, VA 20147
1.8 mi
Any Lab Test Now Ashburn
42775 Generation Dr Ste 100, Ashburn, VA 20147
3.6 mi
Cvs Minuteclinic - Sterling - 01427
110 Edds Ln, Sterling, VA 20165
4.4 mi
Quest Diagnostics - Leesburg
521 E Market St, Leesburg, VA 20176
4.5 mi
Quest Diagnostics - Sterling
14 Pidgeon Hill Dr Ste 130, Sterling, VA 20165
4.6 mi

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.