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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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US Facilities & Operations International Facilities & Operations

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Associated Clinical Laboratories - ACL Yorktown

2501 West 12Th Street,

Suite B

Erie, PA 16505

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1.21 mi away

Schedule Appointment 814-459-4991
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-5:00 pm
Saturday: Closed
Sunday: Closed
Associated Clinical Lab - West Ridge

4247 West Ridge Rd,

Ste 102

Erie, PA 16506

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2.33 mi away

Schedule Appointment 814-315-6506
Monday: 6:30 am-4:30 pm
Tuesday: 6:30 am-4:30 pm
Wednesday: 6:30 am-4:30 pm
Thursday: 6:30 am-4:30 pm
Friday: 6:30 am-4:30 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - ACL Kearsarge Plaza

5158 Peach Street,

Erie, PA 16509

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3.91 mi away

Schedule Appointment 814-812-3135
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-5:00 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Associated Clinical Laboratories - ACL Bayfront

350 East Bayfront Parkway,

Erie, PA 16507

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4.47 mi away

Schedule Appointment 814-459-6012
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 - ACL East Grandview

1324 E Grandview Blvd,

Erie, PA 16504

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6.56 mi away

Schedule Appointment 814-825-6102
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: Closed
Sunday: Closed
Associated Clinical Laboratories - ACL East Harbor

4916 Buffalo Road,

Erie, PA 16510

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9.26 mi away

Schedule Appointment 814-899-8068
Monday: 7:00 am-11:30 am , 12:00 pm-4:30 pm
Tuesday: 7:00 am-11:30 am , 12:00 pm-4:30 pm
Wednesday: 7:00 am-11:30 am , 12:00 pm-4:30 pm
Thursday: 7:00 am-11:30 am , 12:00 pm-4:30 pm
Friday: 7:00 am-11:30 am , 12:00 pm-4:30 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Associated Clinical Laboratories - ACL Girard

5165 Imperial Pkwy,

Girard, PA 16417

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10.28 mi away

Schedule Appointment 814-774-4546
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
Associated Clinical Laboratories - ACL Waterford

991 Route 19,

Suite G

Waterford, PA 16441

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13.72 mi away

Schedule Appointment 814-796-6782
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: Closed
Sunday: Closed
Quest Diagnostics - ACL Edinboro

1010 Marketplace Dr,

Edinboro, PA 16412

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16.2 mi away

Schedule Appointment 814-734-9900
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: Closed
Sunday: Closed
Associated Clinical Laboratories - ACL North East

2060 North Pearl Street,

Suite A

North East, PA 16428

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18.6 mi away

Schedule Appointment 814-983-9000
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 - ACL Union City

130 N Main St,

Union City, PA 16438

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21.54 mi away

Schedule Appointment 814-438-6247
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-11:00 am
Sunday: Closed
Quest Diagnostics - Conneaut

158 W Main Rd,

Suite A

Conneaut, OH 44030

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25.71 mi away

Schedule Appointment 440-381-3215
Monday: 7:30 am-12:30 pm , 1:00 pm-4:00 pm
Tuesday: 7:30 am-12:30 pm , 1:00 pm-4:00 pm
Wednesday: 7:30 am-12:30 pm , 1:00 pm-4:00 pm
Thursday: 7:30 am-12:30 pm , 1:00 pm-4:00 pm
Friday: 7:30 am-12:30 pm , 1:00 pm-4:00 pm
Saturday: Closed
Sunday: Closed
Associated Clinical Laboratories - ACL Meadville

289 North Street,

North St. Plaza

Meadville, PA 16335

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32.27 mi away

Schedule Appointment 814-337-7045
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-11:00 am
Sunday: Closed
Quest Diagnostics - ACL Westfield

193 East Main Street,

Suite 2

Westfield, NY 14787

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33.11 mi away

Schedule Appointment 716-326-7300
Monday: 6:30 am-11:30 am , 12:00 pm-2:00 pm
Tuesday: 6:30 am-11:30 am , 12:00 pm-2:00 pm
Wednesday: 6:30 am-11:30 am , 12:00 pm-2:00 pm
Thursday: 6:30 am-11:30 am , 12:00 pm-2:00 pm
Friday: 6:30 am-11:30 am , 12:00 pm-2:00 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Ashtabula

3315 North Ridge Rd East,

Suite 700C

Ashtabula, OH 44004

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35.54 mi away

Schedule Appointment 440-417-8553
Monday: 8:30 am-12:30 pm , 1:00 pm-5:00 pm
Tuesday: 8:30 am-12:30 pm , 1:00 pm-5:00 pm
Wednesday: 8:30 am-12:30 pm , 1:00 pm-5:00 pm
Thursday: 8:30 am-12:30 pm , 1:00 pm-5:00 pm
Friday: 8:30 am-12:30 pm , 1:00 pm-5:00 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Prospect Urgent Care - Draw Site

417 W Prospect Rd,

Ashtabula, OH 44004

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37.16 mi away

440-381-8520
Monday: 9:00 am-8:00 pm
Tuesday: 9:00 am-8:00 pm
Wednesday: 9:00 am-8:00 pm
Thursday: 9:00 am-8:00 pm
Friday: 9:00 am-8:00 pm
Saturday: 10:00 am-8:00 pm
Sunday: 10:00 am-8:00 pm
Quest Diagnostics - Geneva

890 West Main Street,

Suite 100

Geneva, OH 44041

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47.76 mi away

Schedule Appointment 440-417-2685
Monday: 7:00 am-4:30 pm
Tuesday: 7:00 am-4:30 pm
Wednesday: 7:00 am-4:30 pm
Thursday: 7:00 am-4:30 pm
Friday: 7:00 am-4:30 pm
Saturday: Closed
Sunday: Closed
Associated Clinical Laboratories - ACL- Jamestown NY Foote Ave

766 Foote Ave,

Jamestown, NY 14701

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49.15 mi away

Schedule Appointment 716-484-7147
Monday: 6:30 am-11:30 am , 12:00 pm-3:30 pm
Tuesday: 6:30 am-11:30 am , 12:00 pm-3:30 pm
Wednesday: 6:30 am-11:30 am , 12:00 pm-3:30 pm
Thursday: 6:30 am-11:30 am , 12:00 pm-3:30 pm
Friday: 6:30 am-11:30 am , 12:00 pm-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.