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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 - Prosperity Medical Center

8501 Arlington Blvd,

Suite 120

Fairfax, VA 22031

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3.35 mi away

Schedule Appointment 703-205-9686
Monday: 7:30 am-4:00 pm
Tuesday: 7:30 am-4:00 pm
Wednesday: 7:30 am-4:00 pm
Thursday: 7:30 am-4:00 pm
Friday: 7:30 am-4:00 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Carlin Springs

611 S Carlin Springs Road,

Suite 103

Arlington, VA 22204

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4.63 mi away

Schedule Appointment 703-933-3697
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 - Ballston

3833 Fairfax Drive,

Suite 330

Arlington, VA 22203

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4.98 mi away

Schedule Appointment 703-812-5239
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: 8:00 am-12:00 pm
Sunday: Closed
Any Lab Test Now - Arlington VA (Preferred)

3019 11Th St N,

Arlington, VA 22201

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5.55 mi away

703-775-8378
Monday: 8:30 am-3:30 pm
Tuesday: 8:30 am-3:30 pm
Wednesday: 8:30 am-3:30 pm
Thursday: 8:30 am-3:30 pm
Friday: 8:30 am-3:30 pm
Saturday: 10:00 am-2:00 pm
Sunday: 11:00 am-3:00 pm
ARCpoint Labs of Washington DC (Preferred)

4910 Massachusetts Ave Nw,

Ste 219

Washington, DC 20016

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6.1 mi away

202-808-3389
Monday: 8:30 am-5:00 pm
Tuesday: 8:30 am-5:00 pm
Wednesday: 8:30 am-5:00 pm
Thursday: 8:30 am-5:00 pm
Friday: 8:30 am-5:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Fairfax Main Street

10721 Main Street,

Suite 1400

Fairfax, VA 22030

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7.26 mi away

Schedule Appointment 703-385-5670
Monday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Tuesday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Wednesday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Thursday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Friday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - 2021 K Street

2021 K St Nw,

Suite 620

Washington, DC 20006

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8.02 mi away

Schedule Appointment 866-697-8378
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: Closed
Sunday: Closed
Quest Diagnostics - Fuller Court

6162 Fuller Ct,

Alexandria, VA 22310

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8.74 mi away

Schedule Appointment 703-924-1508
Monday: 8:00 am-12:30 pm , 1:00 pm-4:00 pm
Tuesday: 8:00 am-12:30 pm , 1:00 pm-4:00 pm
Wednesday: 8:00 am-12:30 pm , 1:00 pm-4:00 pm
Thursday: 8:00 am-12:30 pm , 1:00 pm-4:00 pm
Friday: 8:00 am-12:30 pm , 1:00 pm-4:00 pm
Saturday: 7:00 am-3:00 pm
Sunday: Closed
Quest Diagnostics - Bethesda

6410 Rockledge Dr,

Suite 105

Bethesda, MD 20817

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9.12 mi away

Schedule Appointment 301-564-0150
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
AFC Urgent Care - Burke (Preferred)

9276 Old Keene Mill Rd,

Burke, VA 22015

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9.34 mi away

571-516-3116
Monday: 8:00 am-8:00 pm
Tuesday: 8:00 am-8:00 pm
Wednesday: 8:00 am-8:00 pm
Thursday: 8:00 am-8:00 pm
Friday: 8:00 am-8:00 pm
Saturday: 8:00 am-5:00 pm
Sunday: 8:00 am-5:00 pm
Quest Diagnostics - Inside Burke Safeway Store

5727 Burke Centre Pkwy,

Burke, VA 22015

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9.61 mi away

Schedule Appointment 703-250-2211
Monday: 7:00 am-12:00 pm , 1:00 pm-4:00 pm
Tuesday: 7:00 am-12:00 pm , 1:00 pm-4:00 pm
Wednesday: 7:00 am-12:00 pm , 1:00 pm-4:00 pm
Thursday: 7:00 am-12:00 pm , 1:00 pm-4:00 pm
Friday: 7:00 am-12:00 pm , 1:00 pm-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Herndon

104 Elden St,

Ste 16

Herndon, VA 20170

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10.07 mi away

Schedule Appointment 703-435-3344
Monday: 7:00 am-3:30 pm
Tuesday: 7:00 am-3:30 pm
Wednesday: 7:00 am-3:30 pm
Thursday: 7:00 am-3:30 pm
Friday: 7:00 am-3:30 pm
Saturday: Closed
Sunday: Closed
The Consortium (Preferred)

201 Massachusetts Ave Ne,

Ste B1

Washington, DC 20002

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10.28 mi away

202-487-0467
Monday: 9:00 am-3:00 pm
Tuesday: 9:00 am-3:00 pm
Wednesday: 9:00 am-3:00 pm
Thursday: 9:00 am-3:00 pm
Friday: 9:00 am-3:00 pm
Saturday: Closed
Sunday: Closed
ARCpoint - Herndon (Preferred)

462 Herndon Pkwy,

Ste 103

Herndon, VA 20170

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10.29 mi away

703-689-2721
Monday: 8:30 am-5:00 pm
Tuesday: 8:30 am-5:00 pm
Wednesday: 8:30 am-5:00 pm
Thursday: 8:30 am-5:00 pm
Friday: 8:30 am-5:00 pm
Saturday: Closed
Sunday: Closed
CareNow- Chantilly (Preferred)

3456 Historic Sully Way,

Chantilly, VA 20151

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12.22 mi away

703-435-3838
Monday: 10:00 am-4:00 pm
Tuesday: 10:00 am-4:00 pm
Wednesday: 10:00 am-4:00 pm
Thursday: 10:00 am-4:00 pm
Friday: 10:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Inside Oxon Hill Safeway Store

6235 Oxon Hill Rd,

Oxon Hill, MD 20745

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13.05 mi away

Schedule Appointment 301-839-3993
Monday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Tuesday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Wednesday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Thursday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Friday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Saturday: Closed
Sunday: Closed
Any Lab Test Now - Chantilly (Preferred)

4500 Daly Ave,

Chantilly, VA 20151

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13.16 mi away

571-500-7030
Monday: 1:00 pm-5:00 pm
Tuesday: 1:00 pm-5:00 pm
Wednesday: 1:00 pm-5:00 pm
Thursday: 1:00 pm-5:00 pm
Friday: 9:00 am-5:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Rockville Medical Center Drive

9707 Medical Center Drive,

Suite 120

Rockville, MD 20850

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13.71 mi away

Schedule Appointment 301-340-0290
Monday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Tuesday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Wednesday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Thursday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Friday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
NYS Diagnostics & Supply (Preferred)

14816 Physicians Ln,

Ste 252

Rockville, MD 20850

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13.73 mi away

443-430-0204
Monday: 8:30 am-4:30 pm
Tuesday: 8:30 am-4:30 pm
Wednesday: 8:30 am-4:30 pm
Thursday: 8:30 am-4:30 pm
Friday: 8:30 am-4:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Lockwood

10801 Lockwood Drive,

Suite 130

Silver Spring, MD 20901

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13.75 mi away

Schedule Appointment 301-592-8804
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: 8:00 am-12:00 pm
Sunday: Closed
CareNow- Sterling (Preferred)

46200 Potomac Run Plz,

Sterling, VA 20164

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13.87 mi away

571-313-5087
Monday: 10:00 am-4:00 pm
Tuesday: 10:00 am-4:00 pm
Wednesday: 10:00 am-4:00 pm
Thursday: 10:00 am-4:00 pm
Friday: 10:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Rockville Shady Grove

15225 Shady Grove Road,

Suite 207

Rockville, MD 20850

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14.17 mi away

Schedule Appointment 202-317-2024
Monday: 7:00 am-12:00 pm , 1:00 pm-3:00 pm
Tuesday: 7:00 am-12:00 pm , 1:00 pm-3:00 pm
Wednesday: 7:00 am-12:00 pm , 1:00 pm-3:00 pm
Thursday: 7:00 am-12:00 pm , 1:00 pm-3:00 pm
Friday: 7:00 am-12:00 pm , 1:00 pm-3:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Sterling

14 Pidgeon Hill Dr,

Ste 130

Sterling, VA 20165

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14.76 mi away

Schedule Appointment 703-444-4844
Monday: 7:30 am-3:30 pm
Tuesday: 7:30 am-3:30 pm
Wednesday: 7:30 am-3:30 pm
Thursday: 7:30 am-3:30 pm
Friday: 7:30 am-3:30 pm
Saturday: Closed
Sunday: Closed
CVS MinuteClinic - Sterling - 01427 (Preferred)

110 Edds Ln,

Sterling, VA 20165

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14.92 mi away

866-328-0403
Monday: Vary
Tuesday: Vary
Wednesday: Vary
Thursday: Vary
Friday: Vary
Saturday: Vary
Sunday: Vary
Diamond Integrated Comp (Preferred)

6005 Landover Rd,

Ste 7

Cheverly, MD 20785

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15.09 mi away

301-583-0130
Monday: 9:00 am-5:00 pm
Tuesday: 9:00 am-5:00 pm
Wednesday: 9:00 am-5:00 pm
Thursday: 9:00 am-5:00 pm
Friday: 9:00 am-5:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Ashburn

21785 Filigree Court,

Suite 204

Ashburn, VA 20147

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15.81 mi away

Schedule Appointment 571-223-0234
Monday: 7:30 am-3:30 pm
Tuesday: 7:30 am-3:30 pm
Wednesday: 7:30 am-3:30 pm
Thursday: 7:30 am-3:30 pm
Friday: 7:30 am-3:30 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
Fastest Labs of College Park (Preferred)

5111 Berwyn Rd,

Ste 100

College Park, MD 20740

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15.9 mi away

240-297-0800
Monday: 9:00 am-5:00 pm
Tuesday: 9:00 am-5:00 pm
Wednesday: 9:00 am-5:00 pm
Thursday: 9:00 am-5:00 pm
Friday: 9:00 am-5:00 pm
Saturday: 24 hrs
Sunday: 24 hrs
Quest Diagnostics - Silver Spring - Healing Way

11886 Healing Way,

Ste 207

Silver Spring, MD 20904

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16.34 mi away

Schedule Appointment 346-435-0770
Monday: 7:30 am-12:00 pm , 1:00 pm-3:30 pm
Tuesday: 7:30 am-12:00 pm , 1:00 pm-3:30 pm
Wednesday: 7:30 am-12:00 pm , 1:00 pm-3:30 pm
Thursday: 7:30 am-12:00 pm , 1:00 pm-3:30 pm
Friday: 7:30 am-12:00 pm , 1:00 pm-3:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - College Park

6201 Greenbelt Rd,

Suite M3

College Park, MD 20740

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16.74 mi away

Schedule Appointment 301-474-7726
Monday: 8:00 am-12:30 pm , 1:00 pm-4:00 pm
Tuesday: 8:00 am-12:30 pm , 1:00 pm-4:00 pm
Wednesday: 8:00 am-12:30 pm , 1:00 pm-4:00 pm
Thursday: 8:00 am-12:30 pm , 1:00 pm-4:00 pm
Friday: 8:00 am-12:30 pm , 1:00 pm-4:00 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Woodbridge Marblestone Drive

12731 Marblestone Dr,

Suite 100

Woodbridge, VA 22192

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17.51 mi away

Schedule Appointment 703-680-2162
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: 8:00 am-12:00 pm
Sunday: Closed
AFC Urgent Care - Woodbridge (Preferred)

14087 Jefferson Davis Hwy,

Ste 101

Woodbridge, VA 22191

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17.71 mi away

571-300-8000
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-3:00 pm
Sunday: 8:00 am-3:00 pm
Quest Diagnostics - Manassas

8685 Sudley Rd,

Manassas, VA 20110

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17.96 mi away

Schedule Appointment 703-367-9470
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
NOVA Occupational Health (Preferred)

8551 Rixlew Ln,

Ste 140

Manassas, VA 20109

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18.48 mi away

703-361-4357
Monday: 9:00 am-4:30 pm
Tuesday: 9:00 am-4:30 pm
Wednesday: 9:00 am-4:30 pm
Thursday: 9:00 am-4:30 pm
Friday: 9:00 am-4:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Woodbridge Opitz Crossing

2080 Daniel Stuart Square,

Woodbridge, VA 22191

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18.96 mi away

Schedule Appointment 703-499-8156
Monday: 7:00 am-3:30 pm
Tuesday: 7:00 am-3:30 pm
Wednesday: 7:00 am-3:30 pm
Thursday: 7:00 am-3:30 pm
Friday: 7:00 am-3:30 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
AFC Urgent Care - Dale City (Preferred)

4101 Cheshire Station Plz,

Woodbridge, VA 22193

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19.0 mi away

571-374-1234
Monday: 8:00 am-8:00 pm
Tuesday: 8:00 am-8:00 pm
Wednesday: 8:00 am-8:00 pm
Thursday: 8:00 am-8:00 pm
Friday: 8:00 am-8:00 pm
Saturday: 8:00 am-5:00 pm
Sunday: 8:00 am-5:00 pm
Quest Diagnostics - Olney

18111 Prince Philip Drive,

Suite T12

Olney, MD 20832

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19.0 mi away

Schedule Appointment 301-774-3111
Monday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Tuesday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Wednesday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Thursday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Friday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Lansdowne

19415 Deerfield Avenue,

Suite 115B

Leesburg, VA 20176

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19.29 mi away

Schedule Appointment 703-729-6732
Monday: 7:30 am-11:30 am , 12:30 pm-4:00 pm
Tuesday: 7:30 am-11:30 am , 12:30 pm-4:00 pm
Wednesday: 7:30 am-11:30 am , 12:30 pm-4:00 pm
Thursday: 7:30 am-11:30 am , 12:30 pm-4:00 pm
Friday: 7:30 am-11:30 am , 12:30 pm-4:00 pm
Saturday: Closed
Sunday: Closed
Any Lab Test Now Ashburn (Preferred)

42775 Generation Dr,

Ste 100

Ashburn, VA 20147

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19.74 mi away

571-380-9944
Monday: 11:00 am-3:00 pm
Tuesday: 11:00 am-3:00 pm
Wednesday: 11:00 am-3:00 pm
Thursday: 11:00 am-3:00 pm
Friday: 11:00 am-3:00 pm
Saturday: Closed
Sunday: Closed
First Call Medical Ctr - Burtonsville (Preferred)

15646 Old Columbia Pike,

Burtonsville, MD 20866

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20.23 mi away

410-694-7999
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-2:00 pm
Sunday: Closed
Quest Diagnostics - Germantown

20528 Boland Farm Road,

Suite 205

Germantown, MD 20876

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20.4 mi away

Schedule Appointment 301-972-2097
Monday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Tuesday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Wednesday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Thursday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Friday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Laurel

14201 Laurel Park Drive,

Suite 107

Laurel, MD 20707

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21.15 mi away

Schedule Appointment 301-490-9444
Monday: 7:00 am-12:30 pm , 1:00 pm-3:00 pm
Tuesday: 7:00 am-12:30 pm , 1:00 pm-3:00 pm
Wednesday: 7:00 am-12:30 pm , 1:00 pm-3:00 pm
Thursday: 7:00 am-12:30 pm , 1:00 pm-3:00 pm
Friday: 7:00 am-12:30 pm , 1:00 pm-3:00 pm
Saturday: 7:30 am-11:30 am
Sunday: Closed
Quest Diagnostics - Gainesville

14370 Lee Highway,

Suite 101

Gainesville, VA 20155

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23.62 mi away

Schedule Appointment 703-754-9043
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: 7:30 am-10:30 am
Sunday: Closed
Quest Diagnostics - Leesburg

521 E. Market St,

Leesburg, VA 20176

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23.69 mi away

Schedule Appointment 703-777-7887
Monday: 7:30 am-12:00 pm , 1:00 pm-3:30 pm
Tuesday: 7:30 am-12:00 pm , 1:00 pm-3:30 pm
Wednesday: 7:30 am-12:00 pm , 1:00 pm-3:30 pm
Thursday: 7:30 am-12:00 pm , 1:00 pm-3:30 pm
Friday: 7:30 am-12:00 pm , 1:00 pm-3:30 pm
Saturday: 7:00 am-10:00 am
Sunday: Closed
First Call Medical Ctr - Laurel (Preferred)

10981 Johns Hopkins Rd,

Laurel, MD 20723

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23.95 mi away

410-730-3399
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
Quest Diagnostics - Waldorf Cambridge Professional Building

3460 Old Washington Road,

Suite 104

Waldorf, MD 20602

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24.73 mi away

Schedule Appointment 301-638-0673
Monday: 7:30 am-4:00 pm
Tuesday: 7:30 am-4:00 pm
Wednesday: 7:30 am-4:00 pm
Thursday: 7:30 am-4:00 pm
Friday: 7:30 am-4:00 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
First Call Medical Ctr - Clarksville (Preferred)

6339 Ten Oaks Rd,

Ste 100

Clarksville, MD 21029

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24.95 mi away

410-694-7999
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-2:00 pm
Sunday: Closed

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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.