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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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Beacon Occupational Hlth - Elkhart (Preferred)

22818 Old Us 20,

Elkhart, IN 46516

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8.13 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
Beacon Occupational Hlth - Middlebury - Middlebury (Preferred)

206 W Warren St,

Middlebury, IN 46540

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11.06 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
Michiana Drug Testing Ctr - Cass (Preferred)

114 SPENCER RD,

CASSOPOLIS, MI 49031

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11.39 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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12.4 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
Beacon Occupational Hlth - Goshen (Preferred)

2312 Eisenhower Dr N,

Goshen, IN 46526

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16.09 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
Parkview Occ Health - LaGrange (Preferred)

920 Indiana 5,

Ste 1

Shipshewana, IN 46565

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17.38 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 - IMED (Preferred)

16587 Enterprise Dr,

Unit 2

Three Rivers, MI 49093

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17.46 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
Any Lab Test Now - Mishawaka (Preferred)

313 W University Dr,

Mishawaka, IN 46545

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17.56 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
Lakeland Southwestern Med-Niles (Preferred)

2002 S 11Th St,

Niles, MI 49120

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20.61 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
Lakeland Hospital - Niles (Preferred)

31 N Saint Joseph Ave,

Niles, MI 49120

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21.42 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 - WaNee (Preferred)

2102 N Main St,

Nappanee, IN 46550

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23.55 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
Beacon Occupational Hlth - South Bend (Preferred)

2301 N Bendix Dr,

Ste 500

South Bend, IN 46628

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23.57 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
Sturgis Hospital Laboratory (Preferred)

916 Myrtle St,

Sturgis, MI 49091

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24.06 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
Lakeland Hospital-Watervliet (Preferred)

400 Medical Park Dr,

Watervliet, MI 49098

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34.51 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
TestSource Lab (Preferred)

3414 Lovers Ln,

Suite A

Kalamazoo, MI 49001

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36.18 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
Parkview Occ Health - Warsaw (Preferred)

1021 Mariners Dr,

Warsaw, IN 46582

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36.95 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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37.7 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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37.78 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 Occ Health SJ (Preferred)

2500 Niles Rd,

Ste 4

Saint Joseph, MI 49085

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38.23 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
Quest Diagnostics - St Joseph

2500 Niles Rd,

Ste 10B

Saint Joseph, MI 49085

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38.23 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
Quest Diagnostics - Kalamazoo

5555 Gull Rd,

Ste 203

Kalamazoo, MI 49048

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41.45 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
Working Well - LaPorte (Preferred)

400 Legacy Plz W,

La Porte, IN 46350

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45.97 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 - Angola IN (Preferred)

3150 Menards Dr,

Angola, IN 46703

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46.33 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
Cameron Occupational Health (Preferred)

1381 N Wayne St,

Rear Entrance

Angola, IN 46703

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46.55 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
Parkview Occ Health - Whitley (Preferred)

1270 E State Road 205,

Ste 40

Columbia City, IN 46725

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47.95 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 - La Porte (Preferred)

1320 W State Road 2,

La Porte, IN 46350

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48.04 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 - Dekalb (Preferred)

1316 E 7Th St,

Door 8

Auburn, IN 46706

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52.35 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 - Rochester IN (Preferred)

392 Rochester Crossing Dr,

Rochester, IN 46975

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54.19 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
Working Well - Michigan City (Preferred)

4111 S Franklin St,

Michigan City, IN 46360

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55.28 mi away

219-879-5400
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
Any Lab Test Now - Ft Wayne (Preferred)

915 E Dupont Rd,

Fort Wayne, IN 46825

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57.06 mi away

260-888-3522
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: 9:00 am-1:00 pm
Sunday: Closed
Parkview Occ Health - North (Preferred)

3978 New Vision Dr,

Fort Wayne, IN 46845

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57.92 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: 8:30 am-12:30 pm
Sunday: Closed
Parkview Occ Health - Central (Preferred)

3415 Hobson Rd,

Fort Wayne, IN 46805

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61.73 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
Parkview Occ Health - Huntington (Preferred)

2708 Guilford St,

Huntington, IN 46750

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63.93 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
Parkview Occ Health - South (Preferred)

9318 Airport Dr,

Ste A

Fort Wayne, IN 46809

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65.1 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
Quest Diagnostics - Porter Business Park

813 Porter Campus Dr,

Ste D

Valparaiso, IN 46383

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65.17 mi away

Schedule Appointment 219-250-0914
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
Working Well - Valparaiso (Preferred)

2307 Laporte Ave,

Ste 8

Valparaiso, IN 46383

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65.81 mi away

219-476-9389
Monday: 8:00 am-6:00 pm
Tuesday: 8:00 am-6:00 pm
Wednesday: 8:00 am-6:00 pm
Thursday: 8:00 am-6:00 pm
Friday: 8:00 am-6:00 pm
Saturday: Closed
Sunday: Closed
Corewell Health - Pennock Occ Hlth (Preferred)

1108 W State St,

Po-11756067

Hastings, MI 49058

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66.61 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
Parkview Occ Heath - Wabash (Preferred)

1655 N Cass St,

Wabash, IN 46992

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66.74 mi away

260-373-9300
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
CHS Occupational Health - Valparaiso (Preferred)

1451 W Morthland Dr,

Ste A

Valparaiso, IN 46385

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68.31 mi away

219-286-3830
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
Working Well - Portage (Preferred)

3283 Willowcreek Rd,

Portage, IN 46368

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71.76 mi away

219-764-8439
Monday: 8:00 am-6:00 pm
Tuesday: 8:00 am-6:00 pm
Wednesday: 8:00 am-6:00 pm
Thursday: 8:00 am-6:00 pm
Friday: 8:00 am-6:00 pm
Saturday: 8:00 am-4:00 pm
Sunday: Closed
CHS Occupational Health - Portage (Preferred)

3170 Willowcreek Rd,

Ste C

Portage, IN 46368

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71.81 mi away

219-947-6628
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
Corewell Health - Zeeland Occ Hlth (Preferred)

8333 Felch St,

Ste 100A - Po-11756067

Zeeland, MI 49464

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71.9 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
Parkview Occ Health - Bryan (Preferred)

442 W High St,

Bryan, OH 43506

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72.36 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 - Peru IN (Preferred)

811 W Main St,

Peru, IN 46970

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72.88 mi away

765-470-4076
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 - South Pavilion Urg Care (Preferred)

80 68Th St Se,

Po-11756067

Grand Rapids, MI 49548

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73.61 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
Corewell Health - West Pavilion Urg Care (Preferred)

6105 Wilson Ave Sw,

Po-11756067

Wyoming, MI 49418

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74.09 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
Fast Pace - Logansport (Preferred)

3727 E Market St,

Logansport, IN 46947

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74.99 mi away

574-727-2114
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: 1:00 pm-5:00 pm

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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.