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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 - Phoenixville

700 Nutt Rd,

Ste 735

Phoenixville, PA 19460

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0.79 mi away

Schedule Appointment 610-933-3197
Monday: 6:30 am-2:30 pm
Tuesday: 6:30 am-2:30 pm
Wednesday: 6:30 am-2:30 pm
Thursday: 6:30 am-2:30 pm
Friday: 6:30 am-2:30 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Limerick

Limerick Square,

70 Buckwalter Road

Royersford, PA 19468

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5.26 mi away

Schedule Appointment 610-948-3402
Monday: 6:30 am-3:00 pm
Tuesday: 6:30 am-3:00 pm
Wednesday: 6:30 am-3:00 pm
Thursday: 6:30 am-3:00 pm
Friday: 6:30 am-3:00 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Paoli - Employer Drug Testing Not Offered

250 W Lancaster Ave,

Paoli, PA 19301

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5.95 mi away

Schedule Appointment 610-647-2045
Monday: 6:30 am-3:00 pm
Tuesday: 6:30 am-3:00 pm
Wednesday: 6:30 am-3:00 pm
Thursday: 6:30 am-3:00 pm
Friday: 6:30 am-3:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Trappe

130 W Main St,

Ste 142

Trappe, PA 19426

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6.23 mi away

Schedule Appointment 610-454-7921
Monday: 6:30 am-3:00 pm
Tuesday: 6:30 am-3:00 pm
Wednesday: 6:30 am-3:00 pm
Thursday: 6:30 am-3:00 pm
Friday: 6:30 am-3:00 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
ExamOne - ExamOne - QuestSelect Members Only

1006 West Ninth Ave.,

Suite 155

King Of Prussia, PA 19406

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6.84 mi away

610-962-5900
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
Quest Diagnostics - King of Prussia

491 Allendale Rd,

Ste 111

King Of Prussia, PA 19406

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7.98 mi away

Schedule Appointment 610-768-9010
Monday: 6:30 am-3:00 pm
Tuesday: 6:30 am-3:00 pm
Wednesday: 6:30 am-3:00 pm
Thursday: 6:30 am-3:00 pm
Friday: 6:30 am-3:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Devon

227 W Lancaster Ave,

Devon, PA 19333

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8.09 mi away

Schedule Appointment 610-995-0190
Monday: 6:30 am-11:00 am , 12:00 pm-3:00 pm
Tuesday: 6:30 am-11:00 am , 12:00 pm-3:00 pm
Wednesday: 6:30 am-11:00 am , 12:00 pm-3:00 pm
Thursday: 6:30 am-11:00 am , 12:00 pm-3:00 pm
Friday: 6:30 am-11:00 am , 12:00 pm-3:00 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Pottstown

1569 Medical Dr,

Pottstown, PA 19464

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9.0 mi away

Schedule Appointment 610-718-8958
Monday: 6:30 am-3:00 pm
Tuesday: 6:30 am-3:00 pm
Wednesday: 6:30 am-3:00 pm
Thursday: 6:30 am-3:00 pm
Friday: 6:30 am-3:00 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - West Chester

600 E Marshall St,

West Chester, PA 19380

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10.98 mi away

Schedule Appointment 610-344-0106
Monday: 6:30 am-3:00 pm
Tuesday: 6:30 am-3:00 pm
Wednesday: 6:30 am-3:00 pm
Thursday: 6:30 am-3:00 pm
Friday: 6:30 am-3:00 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Pottstown Center Shoemaker

223 Shoemaker Rd,

Suite 169

Pottstown, PA 19464

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11.14 mi away

Schedule Appointment 610-323-3606
Monday: 6:30 am-3:00 pm
Tuesday: 6:30 am-3:00 pm
Wednesday: 6:30 am-3:00 pm
Thursday: 6:30 am-3:00 pm
Friday: 6:30 am-3:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Downingtown

150 E Pennsylvania Ave,

Ste 210

Downingtown, PA 19335

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11.65 mi away

Schedule Appointment 610-269-2233
Monday: 6:30 am-3:00 pm
Tuesday: 6:30 am-3:00 pm
Wednesday: 6:30 am-3:00 pm
Thursday: 6:30 am-3:00 pm
Friday: 6:30 am-3:00 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - East Norriton

2808 Dekalb Pike,

East Norriton, PA 19401

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12.05 mi away

Schedule Appointment 610-283-8801
Monday: 6:30 am-3:00 pm
Tuesday: 6:30 am-3:00 pm
Wednesday: 6:30 am-3:00 pm
Thursday: 6:30 am-3:00 pm
Friday: 6:30 am-3:00 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Brandywine Village

1235 Horseshoe Pike,

Downingtown, PA 19335

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12.66 mi away

Schedule Appointment 610-269-3914
Monday: 6:30 am-2:00 pm
Tuesday: 6:30 am-2:00 pm
Wednesday: 6:30 am-2:00 pm
Thursday: 6:30 am-2:00 pm
Friday: 6:30 am-2:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Harley Commons

345 Main St,

Ste 6

Harleysville, PA 19438

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13.45 mi away

Schedule Appointment 215-256-9747
Monday: 7:00 am-11:00 am , 12:00 pm-3:00 pm
Tuesday: 7:00 am-11:00 am , 12:00 pm-3:00 pm
Wednesday: 7:00 am-11:00 am , 12:00 pm-3:00 pm
Thursday: 7:00 am-11:00 am , 12:00 pm-3:00 pm
Friday: 7:00 am-11:00 am , 12:00 pm-3:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Gilbertsville

1050 E Philadelphia Ave,

Gilbertsville, PA 19525

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14.61 mi away

Schedule Appointment 215-565-5998
Monday: 6:00 am-2:00 pm
Tuesday: 6:00 am-2:00 pm
Wednesday: 6:00 am-2:00 pm
Thursday: 6:00 am-2:00 pm
Friday: 6:00 am-2:00 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Thorndale

3301 E Lincoln Hwy,

Thorndale, PA 19372

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14.61 mi away

Schedule Appointment 610-384-1894
Monday: 6:30 am-3:00 pm
Tuesday: 6:30 am-3:00 pm
Wednesday: 6:30 am-3:00 pm
Thursday: 6:30 am-3:00 pm
Friday: 6:30 am-3:00 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Lansdale

545 S Broad St,

Lansdale, PA 19446

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15.36 mi away

Schedule Appointment 215-855-5558
Monday: 6:30 am-5:00 pm
Tuesday: 6:30 am-5:00 pm
Wednesday: 6:30 am-5:00 pm
Thursday: 6:30 am-5:00 pm
Friday: 6:30 am-3:00 pm
Saturday: 7:00 am-1:00 pm
Sunday: Closed
Quest Diagnostics - Havertown

1305 W Chester Pike,

Ste 28

Havertown, PA 19083

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15.43 mi away

Schedule Appointment 610-446-0713
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: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Media

1167A W Baltimore Pike,

Media, PA 19063

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15.44 mi away

Schedule Appointment 610-566-2621
Monday: 6:30 am-3:00 pm
Tuesday: 6:30 am-3:00 pm
Wednesday: 6:30 am-3:00 pm
Thursday: 6:30 am-3:00 pm
Friday: 6:30 am-3:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Souderton Square

708 Route 113,

Souderton, PA 18964

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18.15 mi away

Schedule Appointment 215-721-7593
Monday: 6:30 am-3:00 pm
Tuesday: 6:30 am-3:00 pm
Wednesday: 6:30 am-3:00 pm
Thursday: 6:30 am-3:00 pm
Friday: 6:30 am-3:00 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Roxborough

525 Jamestown Street,

Philadelphia, PA 19128

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18.45 mi away

Schedule Appointment 215-508-6746
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
Quest Diagnostics - Germantown Avenue

6656 Germantown Ave,

Space 2

Philadelphia, PA 19119

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19.38 mi away

Schedule Appointment 267-428-0894
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
Quest Diagnostics - Chalfont

1700 Horizon Dr,

Suite 205

Chalfont, PA 18914

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19.68 mi away

Schedule Appointment 215-997-2524
Monday: 6:30 am-3:00 pm
Tuesday: 6:30 am-3:00 pm
Wednesday: 6:30 am-3:00 pm
Thursday: 6:30 am-3:00 pm
Friday: 6:30 am-3:00 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - MacDade Boulevard

501 W MacDade Boulevard,

Folsom, PA 19033

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19.72 mi away

Schedule Appointment 610-461-4051
Monday: 6:30 am-3:00 pm
Tuesday: 6:30 am-3:00 pm
Wednesday: 6:30 am-3:00 pm
Thursday: 6:30 am-3:00 pm
Friday: 6:30 am-3:00 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Glenolden

90 N Macdade Blvd,

Glenolden, PA 19036

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19.91 mi away

Schedule Appointment 610-534-4104
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: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - McFarlan Road

402 Mcfarlan Rd,

Ste 302

Kennett Square, PA 19348

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20.11 mi away

Schedule Appointment 610-444-3213
Monday: 6:30 am-12:00 pm , 1:00 pm-3:30 pm
Tuesday: 6:30 am-12:00 pm , 1:00 pm-3:30 pm
Wednesday: 6:30 am-12:00 pm , 1:00 pm-3:30 pm
Thursday: 6:30 am-12:00 pm , 1:00 pm-3:30 pm
Friday: 6:30 am-12:00 pm , 1:00 pm-3:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - East Greenville

622 Gravel Pike,

East Greenville, PA 18041

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20.44 mi away

Schedule Appointment 215-541-4581
Monday: 7:00 am-11:00 am , 12:00 pm-3:30 pm
Tuesday: 7:00 am-11:00 am , 12:00 pm-3:30 pm
Wednesday: 7:00 am-11:00 am , 12:00 pm-3:30 pm
Thursday: 7:00 am-11:00 am , 12:00 pm-3:30 pm
Friday: 7:00 am-11:00 am , 12:00 pm-3:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Silverside

2700 Silverside Rd,

Suite 6

Wilmington, DE 19810

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21.55 mi away

Schedule Appointment 302-478-4072
Monday: 6:30 am-4:00 pm
Tuesday: 6:30 am-4:00 pm
Wednesday: 6:30 am-4:00 pm
Thursday: 6:30 am-4:00 pm
Friday: 6:30 am-4:00 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Horsham

200 Lakeside Dr,

Suite 230

Horsham, PA 19044

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21.61 mi away

Schedule Appointment 551-286-9661
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
Quest Diagnostics - Exeter

4400 Perkiomen Ave,

Reading, PA 19606

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21.68 mi away

Schedule Appointment 610-779-9450
Monday: 6:30 am-2:30 pm
Tuesday: 6:30 am-2:30 pm
Wednesday: 6:30 am-2:30 pm
Thursday: 6:30 am-2:30 pm
Friday: 6:30 am-2:30 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Abington

1419 Old York Rd,

Abington, PA 19001

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22.36 mi away

Schedule Appointment 215-886-8254
Monday: 6:30 am-3:00 pm
Tuesday: 6:30 am-3:00 pm
Wednesday: 6:30 am-3:00 pm
Thursday: 6:30 am-3:00 pm
Friday: 6:30 am-3:00 pm
Saturday: 7:00 am-2:00 pm
Sunday: Closed
Quest Diagnostics - Warrington

634 Easton Rd,

Warrington, PA 18976

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22.58 mi away

Schedule Appointment 215-491-2403
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 - Olney

5675 N Front St,

Store 260

Philadelphia, PA 19120

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22.98 mi away

Schedule Appointment 215-548-4759
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
Quest Diagnostics - Allegheny Plaza

400 W Allegheny Ave,

Philadelphia, PA 19133

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22.99 mi away

Schedule Appointment 215-426-2626
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: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Locust Street - Employer Drug Testing Not Offered

803 Locust St,

Philadelphia, PA 19107

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23.7 mi away

Schedule Appointment 215-922-1484
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
Quest Diagnostics - South Broad Street

2219 S Broad St,

Philadelphia, PA 19148

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23.95 mi away

Schedule Appointment 215-271-1962
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: 8:00 am-12:00 pm
Sunday: Closed
Jeanes Hospital - Jeanes Hospital

7600 Central Ave,

Dept Of Pathology

Philadelphia, PA 19111

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24.21 mi away

215-728-2228
Monday: 7:00 am-6:00 pm
Tuesday: 7:00 am-6:00 pm
Wednesday: 7:00 am-6:00 pm
Thursday: 7:00 am-6:00 pm
Friday: 7:00 am-6:00 pm
Saturday: 8:30 am-11:30 am
Sunday: Closed
Quest Diagnostics - Cottman Avenue

700 Cottman Ave,

Philadelphia, PA 19111

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24.32 mi away

Schedule Appointment 215-745-7266
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: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Quakertown

229 N West End Blvd,

Quakertown, PA 18951

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24.53 mi away

Schedule Appointment 215-538-2047
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-12:00 pm
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.