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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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Beacon Occupational Hlth - Elkhart (Preferred)

22818 Old Us 20,

Elkhart, IN 46516

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2.37 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
WellNow UC-Goshen (Preferred)

924 W Pike St,

Goshen, IN 46526

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7.99 mi away

574-312-7056
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
Beacon Occupational Hlth - Goshen (Preferred)

2312 Eisenhower Dr N,

Goshen, IN 46526

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11.38 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
Any Lab Test Now - Mishawaka (Preferred)

313 W University Dr,

Mishawaka, IN 46545

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12.72 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
Beacon Occupational Hlth - Middlebury - Middlebury (Preferred)

206 W Warren St,

Middlebury, IN 46540

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12.75 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
Beacon Occupational Hlth - WaNee (Preferred)

2102 N Main St,

Nappanee, IN 46550

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15.01 mi away

574-862-2504
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
Michiana Drug Testing Ctr - Cass (Preferred)

114 SPENCER RD,

CASSOPOLIS, MI 49031

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16.52 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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17.28 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
Lakeland Southwestern Med-Niles (Preferred)

2002 S 11Th St,

Niles, MI 49120

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17.99 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 - South Bend (Preferred)

2301 N Bendix Dr,

Ste 500

South Bend, IN 46628

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18.48 mi away

574-647-1675
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
Parkview Occ Health - LaGrange (Preferred)

920 Indiana 5,

Ste 1

Shipshewana, IN 46565

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19.56 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
Lakeland Hospital - Niles (Preferred)

31 N Saint Joseph Ave,

Niles, MI 49120

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19.66 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
Beacon Occupational Hlth - IMED (Preferred)

16587 Enterprise Dr,

Unit 2

Three Rivers, MI 49093

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26.22 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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29.86 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
Parkview Occ Health - Warsaw (Preferred)

1021 Mariners Dr,

Warsaw, IN 46582

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30.03 mi away

260-373-9300
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
Parkview Occ Health - Noble (Preferred)

1844 Ida Red Rd,

Kendallville, IN 46755

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37.8 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
Fast Pace - Kendallville (Preferred)

1732 W North St,

Kendallville, IN 46755

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37.9 mi away

260-544-8054
Monday: 8:00 am-8:00 pm
Tuesday: 8:00 am-8:00 pm
Wednesday: Closed
Thursday: 8:00 am-8:00 pm
Friday: 8:00 am-6:00 pm
Saturday: Closed
Sunday: Closed
Lakeland Hospital-Watervliet (Preferred)

400 Medical Park Dr,

Watervliet, MI 49098

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38.71 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
Quest Diagnostics - St Joseph

2500 Niles Rd,

Ste 10B

Saint Joseph, MI 49085

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39.23 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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39.23 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
Working Well - LaPorte (Preferred)

400 Legacy Plz W,

La Porte, IN 46350

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39.89 mi away

219-575-6055
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 - La Porte (Preferred)

1320 W State Road 2,

La Porte, IN 46350

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41.99 mi away

219-727-6431
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-6:00 pm
Sunday: 8:00 am-6:00 pm
Parkview Occ Health - Whitley (Preferred)

1270 E State Road 205,

Ste 40

Columbia City, IN 46725

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43.78 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
TestSource Lab (Preferred)

3414 Lovers Ln,

Suite A

Kalamazoo, MI 49001

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45.04 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
Fast Pace - Rochester IN (Preferred)

392 Rochester Crossing Dr,

Rochester, IN 46975

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45.49 mi away

574-325-5912
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

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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.