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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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TestSource Lab (Preferred)

3414 Lovers Ln,

Suite A

Kalamazoo, MI 49001

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4.18 mi away

269-216-3668
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 - Kalamazoo

5555 Gull Rd,

Ste 203

Kalamazoo, MI 49048

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8.99 mi away

Schedule Appointment 269-568-3755
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: Closed
Sunday: Closed
Beacon Occupational Hlth - IMED (Preferred)

16587 Enterprise Dr,

Unit 2

Three Rivers, MI 49093

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16.44 mi away

269-279-6700
Monday: 7:30 am-4:30 pm
Tuesday: 7:30 am-4:30 pm
Wednesday: 7:30 am-4:30 pm
Thursday: 7:30 am-4:30 pm
Friday: 7:30 am-4:30 pm
Saturday: Closed
Sunday: Closed
Sturgis Hospital Laboratory (Preferred)

916 Myrtle St,

Sturgis, MI 49091

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28.95 mi away

269-659-4471
Monday: 8:00 am-3:00 pm
Tuesday: 8:00 am-3:00 pm
Wednesday: 8:00 am-3:00 pm
Thursday: 8:00 am-3:00 pm
Friday: 8:00 am-3:00 pm
Saturday: Closed
Sunday: Closed
Michiana Drug Testing Ctr - Cass (Preferred)

114 SPENCER RD,

CASSOPOLIS, MI 49031

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30.72 mi away

269-228-8043
Monday: 10:00 am-5:00 pm
Tuesday: 10:00 am-5:00 pm
Wednesday: 10:00 am-5:00 pm
Thursday: 10:00 am-5:00 pm
Friday: 10:00 am-5:00 pm
Saturday: 10:00 am-12:00 pm
Sunday: Closed
Cass Family Clinic (Preferred)

261 M 62,

Cassopolis, MI 49031

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30.96 mi away

269-445-3874
Monday: 8:00 am-3:00 pm
Tuesday: 8:00 am-3:00 pm
Wednesday: 8:00 am-3:00 pm
Thursday: 8:00 am-3:00 pm
Friday: 8:00 am-3:00 pm
Saturday: Closed
Sunday: Closed
Corewell Health - Pennock Occ Hlth (Preferred)

1108 W State St,

Po-11756067

Hastings, MI 49058

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33.92 mi away

269-948-3102
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
Lakeland Hospital-Watervliet (Preferred)

400 Medical Park Dr,

Watervliet, MI 49098

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36.73 mi away

269-463-3600
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: Closed
Sunday: Closed
Beacon Occupational Hlth - Middlebury - Middlebury (Preferred)

206 W Warren St,

Middlebury, IN 46540

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36.95 mi away

574-358-0042
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: 7:00 am-2:00 pm
Sunday: Closed
Parkview Occ Health - LaGrange (Preferred)

920 Indiana 5,

Ste 1

Shipshewana, IN 46565

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37.56 mi away

260-373-9300
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: Closed
Sunday: Closed
Beacon Occupational Hlth - Elkhart (Preferred)

22818 Old Us 20,

Elkhart, IN 46516

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40.73 mi away

574-389-1231
Monday: 7:00 am-5:00 pm
Tuesday: 7:00 am-5:00 pm
Wednesday: 7:00 am-5:00 pm
Thursday: 7:00 am-5:00 pm
Friday: 7:00 am-5:00 pm
Saturday: Closed
Sunday: Closed
Corewell Health - South Pavilion Urg Care (Preferred)

80 68Th St Se,

Po-11756067

Grand Rapids, MI 49548

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44.66 mi away

616-391-8237
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-8:00 pm
Sunday: 8:00 am-8:00 pm
Lakeland Hospital - Niles (Preferred)

31 N Saint Joseph Ave,

Niles, MI 49120

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45.23 mi away

800-791-2810
Monday: 8:00 am-3:30 pm
Tuesday: 8:00 am-3:30 pm
Wednesday: 8:00 am-3:30 pm
Thursday: 8:00 am-3:30 pm
Friday: 8:00 am-3:30 pm
Saturday: Closed
Sunday: Closed
Lakeland Southwestern Med-Niles (Preferred)

2002 S 11Th St,

Niles, MI 49120

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46.04 mi away

269-687-0200
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
Beacon Occupational Hlth - Goshen (Preferred)

2312 Eisenhower Dr N,

Goshen, IN 46526

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46.1 mi away

574-534-1231
Monday: 7:00 am-5:00 pm
Tuesday: 7:00 am-5:00 pm
Wednesday: 7:00 am-5:00 pm
Thursday: 7:00 am-5:00 pm
Friday: 7:00 am-5:00 pm
Saturday: Closed
Sunday: Closed
Corewell Health - West Pavilion Urg Care (Preferred)

6105 Wilson Ave Sw,

Po-11756067

Wyoming, MI 49418

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46.67 mi away

616-486-5115
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: Closed
Sunday: Closed
Any Lab Test Now - Mishawaka (Preferred)

313 W University Dr,

Mishawaka, IN 46545

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46.75 mi away

574-287-5041
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
Fast Pace - Angola IN (Preferred)

3150 Menards Dr,

Angola, IN 46703

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46.75 mi away

260-687-3072
Monday: 8:00 am-6:00 pm
Tuesday: 8:00 am-6:00 pm
Wednesday: Closed
Thursday: 8:00 am-6:00 pm
Friday: 8:00 am-6:00 pm
Saturday: Closed
Sunday: Closed
Corewell Health - 4600 Breton Occ Hlth (Preferred)

4600 Breton Rd Se,

Po-11756067

Kentwood, MI 49508

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47.2 mi away

616-391-2778
Monday: 7:00 am-5:00 pm
Tuesday: 7:00 am-5:00 pm
Wednesday: 7:00 am-5:00 pm
Thursday: 7:00 am-5:00 pm
Friday: 7:00 am-5:00 pm
Saturday: Closed
Sunday: Closed
Cameron Occupational Health (Preferred)

1381 N Wayne St,

Rear Entrance

Angola, IN 46703

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47.96 mi away

260-667-5613
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
AFC Urgent Care - Grandville (Preferred)

2871 44Th St Sw,

Grandville, MI 49418

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48.42 mi away

616-410-7420
Monday: 8:00 am-7:00 pm
Tuesday: 8:00 am-7:00 pm
Wednesday: 8:00 am-7:00 pm
Thursday: 8:00 am-7:00 pm
Friday: 8:00 am-7:00 pm
Saturday: 8:00 am-7:00 pm
Sunday: 8:00 am-7:00 pm
Corewell Health - Zeeland Occ Hlth (Preferred)

8333 Felch St,

Ste 100A - Po-11756067

Zeeland, MI 49464

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48.72 mi away

616-772-7509
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-8:00 pm
Sunday: 8:00 am-8:00 pm
Fastest Labs of Grand Rapids (Preferred)

3682 29Th St Se,

Ste C

Kentwood, MI 49512

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49.16 mi away

616-498-0754
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
AFC Urgent Care - Grand Rapids (Preferred)

1740 28Th St Se,

Grand Rapids, MI 49508

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49.5 mi away

616-288-2980
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-8:00 pm
Sunday: 8:00 am-8:00 pm
Quest Diagnostics - St Joseph

2500 Niles Rd,

Ste 10B

Saint Joseph, MI 49085

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49.54 mi away

Schedule Appointment 269-428-2622
Monday: 7:00 am-12:00 pm , 12:30 pm-3:00 pm
Tuesday: 7:00 am-12:00 pm , 12:30 pm-3:00 pm
Wednesday: 7:00 am-12:00 pm , 12:30 pm-3:00 pm
Thursday: 7:00 am-12:00 pm , 12:30 pm-3:00 pm
Friday: 7:00 am-12:00 pm , 12:30 pm-3:00 pm
Saturday: Closed
Sunday: Closed
Lakeland Occ Health SJ (Preferred)

2500 Niles Rd,

Ste 4

Saint Joseph, MI 49085

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49.55 mi away

269-408-4171
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

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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.