313 W University Dr,
Mishawaka, IN 46545
Get Directions
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.
Looking for a facility or operation that is not a lab testing location?
US Facilities & Operations International Facilities & Operations
List
Map
2.66 mi away
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
7.97 mi away
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
Lakeland Southwestern Med-Niles (Preferred)
2002 S 11Th St,
Niles, MI 49120
Get Directions8.99 mi away
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
Get Directions11.18 mi away
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 - Elkhart (Preferred)
22818 Old Us 20,
Elkhart, IN 46516
Get Directions12.88 mi away
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
Michiana Drug Testing Ctr - Cass (Preferred)
114 SPENCER RD,
CASSOPOLIS, MI 49031
Get Directions16.94 mi away
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
Get Directions17.14 mi away
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 - WaNee (Preferred)
2102 N Main St,
Nappanee, IN 46550
Get Directions17.67 mi away
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 - Goshen (Preferred)
2312 Eisenhower Dr N,
Goshen, IN 46526
Get Directions20.65 mi away
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
Get Directions23.22 mi away
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
Our focus on your safety
Our safety precautions help ensure your confidence and comfort while visiting our Patient Service Centers to get the testing you need, today and every day.
- Site map
- Privacy Notices
- Terms
- Contact us
- Language assistance / non-discrimination
- Asistencia de idiomas / Aviso de no discriminación
- 語言協助 / 不歧視通知
- Accessibility
-
Your Privacy Choices
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.