Quest Diagnostics

Lab Testing at Quest Diagnostics - 2021 K Street

Quest Diagnostics Patient Service Center in Washington, DC 20006.

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Popular tests at this location:

TSH Lipid Panel CBC A1C Testosterone Vitamin D CMP

Address

2021 K St Nw Suite 620
Washington, DC 20006
District of Columbia County

866-697-8378

Hours

Monday	7:30 AM – 12:00, 12:30
Tuesday	7:30 AM – 12:00, 12:30
Wednesday	7:30 AM – 12:00, 12:30
Thursday	7:30 AM – 12:00, 12:30
Friday	7:30 AM – 12:00, 12:30
Saturday	Closed
Sunday	Closed

Nearby alternatives

LabCorp Washington
2021 K St Nw Ste 725, Washington, DC 20006
0 mi
LabCorp Washington
1133 21st St Nw, Washington, DC 20036
0.1 mi
LabCorp Washington
2150 Pennsylvania Ave Nw, Washington, DC 20037
0.1 mi
LabCorp Washington
1145 19th St Nw Ste 601, Washington, DC 20036
0.2 mi
LabCorp Washington
2233 Wisconsin Ave Nw Ste 425, Washington, DC 20007
1.8 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.