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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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Romeo Medical Clinic (Preferred)

1801 Colorado Ave,

Ste 130

Turlock, CA 95382

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6.55 mi away

209-216-3333
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
Olivewood Meadows Occ Health Center (Preferred)

374 W Olive Ave,

Ste A

Merced, CA 95348

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17.6 mi away

209-205-1001
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
Fastest Labs of Modesto (Preferred)

400 12Th St,

Ste 4

Modesto, CA 95354

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18.5 mi away

209-200-8050
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
WorkHub Work Health Services (Preferred)

1501 Oakdale Rd,

Ste 301

Modesto, CA 95355

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19.11 mi away

209-622-0936
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: 9:00 am-1:00 pm
Sunday: 9:00 am-1:00 pm
California Occupational Physicians (Preferred)

2112 Mchenry Ave,

Modesto, CA 95352

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20.6 mi away

209-572-2114
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
Manteca Family Chiropractic (Preferred)

965 E Yosemite Ave,

Ste 9

Manteca, CA 95336

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34.23 mi away

209-239-2121
Monday: 9:00 am-5:00 pm
Tuesday: 9:00 am-12:00 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
ARCpoint Labs of Manteca (Preferred)

119 N Maple Ave,

Ste A

Manteca, CA 95336

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34.77 mi away

209-629-8282
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
Fastest Labs of Stockton (Preferred)

253 W Louise Ave,

Manteca, CA 95336

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35.56 mi away

209-200-8056
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: Closed
Saturday: Closed
Sunday: Closed
COMP Manteca (Preferred)

165 Saint Dominics Dr,

Ste 202

Manteca, CA 95337

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35.8 mi away

209-824-1893
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
Prime Drug Testing LLC (Preferred)

143 Darcy Pkwy,

Lathrop, CA 95330

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37.91 mi away

209-417-6300
Monday: 8:30 am-5:00 pm
Tuesday: 8:30 am-5:00 pm
Wednesday: 8:30 am-5:00 pm
Thursday: 8:30 am-5:00 pm
Friday: 8:30 am-5:00 pm
Saturday: 10:00 am-3:00 pm
Sunday: Closed
No Drugs Inc - Tracy (Preferred)

652 W 11Th St,

Ste 133

Tracy, CA 95376

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41.09 mi away

800-490-3784
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
Premier Urgent Care, APMC (Preferred)

644 W 12th St,

Tracy, CA 95376

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41.13 mi away

209-832-8984
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
COMP Tracy (Preferred)

2156 W Grant Line Rd,

Ste 200

Tracy, CA 95377

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42.48 mi away

209-207-9969
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 - Mariposa Highway 49

5300 Highway 49 N,

Mariposa, CA 95338

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42.53 mi away

Schedule Appointment 209-966-2529
Monday: 7:00 am-11:30 am , 12:30 pm-4:00 pm
Tuesday: 7:00 am-11:30 am , 12:30 pm-4:00 pm
Wednesday: 7:00 am-11:30 am , 12:30 pm-4:00 pm
Thursday: 7:00 am-11:30 am , 12:30 pm-4:00 pm
Friday: 7:00 am-11:30 am , 12:30 pm-4:00 pm
Saturday: Closed
Sunday: Closed
San Joaquin Lab Services (Preferred)

130 N Wilson Way,

Stockton, CA 95205

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45.14 mi away

209-703-5003
Monday: 8:30 am-5:00 pm
Tuesday: 8:30 am-5:00 pm
Wednesday: 8:30 am-5:00 pm
Thursday: 8:30 am-5:00 pm
Friday: 8:30 am-5:00 pm
Saturday: Closed
Sunday: Closed
Intercept Inc - Stockton (Preferred)

225 E Channel St,

Ste A

Stockton, CA 95202

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45.52 mi away

209-337-3100
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
DOT Lab Services (Preferred)

1503 Saint Marks Plz,

Ste D3

Stockton, CA 95207

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48.55 mi away

209-645-7900
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
COMP Stockton (Preferred)

1530 E Hammer Ln,

Stockton, CA 95210

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49.34 mi away

209-954-3220
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
Trinity UC Occ-Stockton (Preferred)

10200 Trinity Pkwy,

Ste 202

Stockton, CA 95219

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53.3 mi away

209-955-1229
Monday: 11:00 am-1:00 pm
Tuesday: 11:00 am-1:00 pm
Wednesday: 11:00 am-1:00 pm
Thursday: 11:00 am-1:00 pm
Friday: 11:00 am-1:00 pm
Saturday: Closed
Sunday: Closed
Adventist Hlth Lodi Mem - Occ Hlth (Preferred)

800 S Lower Sacramento Rd,

Lodi, CA 95242

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55.76 mi away

209-339-7441
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
ARCpoint Labs of Downtown San Jose (Preferred)

25 N 14Th St,

Ste 160

San Jose, CA 95112

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58.69 mi away

415-991-2780
Monday: 8:00 am-12:00 pm
Tuesday: 8:00 am-12:00 pm
Wednesday: 8:00 am-12:00 pm
Thursday: 8:00 am-12:00 pm
Friday: 8:00 am-12:00 pm
Saturday: Closed
Sunday: Closed
Carbon Health - Market Park (Preferred)

1411 Berryessa Rd,

Ste 30

San Jose, CA 95133

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58.76 mi away

408-785-6344
Monday: 9:00 am-7:00 pm
Tuesday: 9:00 am-7:00 pm
Wednesday: 9:00 am-7:00 pm
Thursday: 9:00 am-7:00 pm
Friday: 9:00 am-7:00 pm
Saturday: 9:00 am-7:00 pm
Sunday: 9:00 am-7:00 pm
Carbon Health - Almaden Ranch (Preferred)

5120 Cherry Ave,

Ste 20

San Jose, CA 95118

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59.38 mi away

408-780-2532
Monday: 9:00 am-7:00 pm
Tuesday: 9:00 am-7:00 pm
Wednesday: 9:00 am-7:00 pm
Thursday: 9:00 am-7:00 pm
Friday: 9:00 am-7:00 pm
Saturday: 9:00 am-7:00 pm
Sunday: 9:00 am-7:00 pm
No Drugs Inc - San Jose (Preferred)

3162 Newberry Dr,

Ste 60

San Jose, CA 95118

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59.48 mi away

800-490-3784
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 - Oakhurst Victoria

48677 Victoria Ln,

Oakhurst, CA 93644

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59.54 mi away

Schedule Appointment 559-683-0909
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: Closed
Sunday: Closed
DNA & Drug Screening Services (Preferred)

242 Meridian Ave Ste C,

San Jose, CA 95126

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60.69 mi away

408-993-9998
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
No Drugs Inc - Fremont (Preferred)

3225 Seldon Ct,

Fremont, CA 94539

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62.35 mi away

800-490-3784
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
Carbon Health - Antioch (Preferred)

5829 Lone Tree Way,

Ste D110

Antioch, CA 94531

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62.98 mi away

925-204-3715
Monday: 9:00 am-2:00 pm
Tuesday: 9:00 am-2:00 pm
Wednesday: 9:00 am-2:00 pm
Thursday: 9:00 am-2:00 pm
Friday: 9:00 am-2:00 pm
Saturday: Closed
Sunday: Closed
Carbon Health - Santa Clara (Preferred)

2712 Augustine Dr,

Ste 120

Santa Clara, CA 95054

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63.63 mi away

408-780-2542
Monday: 9:00 am-7:00 pm
Tuesday: 9:00 am-7:00 pm
Wednesday: 9:00 am-7:00 pm
Thursday: 9:00 am-7:00 pm
Friday: 9:00 am-7:00 pm
Saturday: 9:00 am-7:00 pm
Sunday: 9:00 am-7:00 pm
The Driver Services (Preferred)

4670 N El Capitan Ave,

Ste 105

Fresno, CA 93722

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64.45 mi away

559-900-1500
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
ATS Fresno (Preferred)

4337 N Golden State Blvd,

Ste 102

Fresno, CA 93722

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64.79 mi away

559-513-7536
Monday: 9:30 am-5:00 pm
Tuesday: 9:30 am-5:00 pm
Wednesday: 9:30 am-5:00 pm
Thursday: 9:30 am-5:00 pm
Friday: 9:30 am-5:00 pm
Saturday: Closed
Sunday: Closed
B&K Elite Alcohol and Drug Testing (Preferred)

12275 Martell Rd,

Ste 11

Jackson, CA 95642

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64.9 mi away

209-697-2761
Monday: 6:00 am-6:00 pm
Tuesday: 6:00 am-6:00 pm
Wednesday: 6:00 am-6:00 pm
Thursday: 6:00 am-6:00 pm
Friday: 6:00 am-2:00 pm
Saturday: Closed
Sunday: Closed
ARS Drug Testing & Srvs Inc (Preferred)

4277 W Richert Ave,

Ste 105

Fresno, CA 93722

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64.96 mi away

559-478-0075
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: 8:00 am-2:00 pm
Sunday: Closed
Central Valley Drug Testing (Preferred)

5649 N Palm Ave,

Fresno, CA 93704

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66.2 mi away

559-412-4257
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
Choices Compliance Solutions-Warner Rd (Preferred)

1095 E Warner Ave,

Ste 103

Fresno, CA 93710

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67.13 mi away

559-266-2120
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: 9:00 am-2:30 pm
Saturday: Closed
Sunday: Closed
Choices Compliance Solutions (Preferred)

1095 E Warner Ave,

Ste 103

Fresno, CA 93710

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67.14 mi away

559-268-2222
Monday: 8:00 am-12:00 pm , 1:00 pm-5:00 pm
Tuesday: 8:00 am-12:00 pm , 1:00 pm-5:00 pm
Wednesday: 8:00 am-12:00 pm , 1:00 pm-5:00 pm
Thursday: 8:00 am-12:00 pm , 1:00 pm-5:00 pm
Friday: 8:00 am-12:00 pm , 1:00 pm-5:00 pm
Saturday: Closed
Sunday: Closed
Northern California Drug Testing Clinic (Preferred)

2310 Homestead Rd,

Ste C1

Los Altos, CA 94024

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68.73 mi away

650-669-6567
Monday: Vary
Tuesday: Vary
Wednesday: Vary
Thursday: Vary
Friday: Vary
Saturday: Closed
Sunday: Closed
ARCpoint Labs of Salinas (Preferred)

635 Sanborn Pl,

Ste 24

Salinas, CA 93901

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69.3 mi away

831-975-4313
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
Fastest Labs of Salinas (Preferred)

601 E Romie Ln,

Ste 6

Salinas, CA 93901

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70.16 mi away

831-800-3776
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
Carbon Health - Mountain View (Preferred)

2580 W El Camino Real,

Ste 6

Mountain View, CA 94040

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70.85 mi away

650-540-8851
Monday: 10:00 am-4:00 pm
Tuesday: 10:00 am-4:00 pm
Wednesday: 10:00 am-4:00 pm
Thursday: 10:00 am-4:00 pm
Friday: 10:00 am-4:00 pm
Saturday: 10:00 am-4:00 pm
Sunday: 10:00 am-4:00 pm
CheckPoint OTC (Preferred)

24326 MISSION BLVD,

STE 3

HAYWARD, CA 94544

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70.88 mi away

510-733-5707
Monday: 9:00 am-11:30 am , 1:00 pm-4:00 pm
Tuesday: 9:00 am-11:30 am , 1:00 pm-4:00 pm
Wednesday: 9:00 am-11:30 am , 1:00 pm-4:00 pm
Thursday: 9:00 am-11:30 am , 1:00 pm-4:00 pm
Friday: 9:00 am-11:30 am , 1:00 pm-4:00 pm
Saturday: Closed
Sunday: Closed
All Valley Compliance (Preferred)

744 P St,

Ste 313

Fresno, CA 93721

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71.1 mi away

559-358-2513
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
Carbon Health - Concord (Preferred)

5434 Ygnacio Valley Rd,

Ste 250

Concord, CA 94521

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72.37 mi away

925-320-0854
Monday: 10:00 am-3:00 pm
Tuesday: 10:00 am-3:00 pm
Wednesday: 10:00 am-3:00 pm
Thursday: 10:00 am-3:00 pm
Friday: 10:00 am-3:00 pm
Saturday: Closed
Sunday: Closed
Liberty Drug Testing Services Inc (Preferred)

2559 S East Ave,

Ste E

Fresno, CA 93706

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72.76 mi away

559-808-1500
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

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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. © 2024 Quest Diagnostics Incorporated. All rights reserved. Image content features models and is intended for illustrative purposes only.