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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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Medic - Fairfield (Preferred)

1335 Oliver Rd,

Fairfield, CA 94534

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15.14 mi away

707-520-8059
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: 9:00 am-1:00 pm
Sunday: Closed
North Bay Med Ctr Fairfield (Preferred)

2470 Hilborn Rd,

Ste 110

Fairfield, CA 94534

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15.14 mi away

707-646-4600
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
NorthBay Occupational Health (Preferred)

1679 E Monte Vista Ave,

Ste 104

Vacaville, CA 95688

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17.62 mi away

707-646-4600
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
C-DAT LLC (Preferred)

17 Tennesse Street,

Suite 142

Vallejo, CA 94590

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19.62 mi away

707-643-3894
Monday: 7:30 am-3:00 pm
Tuesday: 7:30 am-3:00 pm
Wednesday: 7:30 am-3:00 pm
Thursday: 7:30 am-3:00 pm
Friday: 7:30 am-3:00 pm
Saturday: Closed
Sunday: Closed
Angelman's Inc (Preferred)

1425 Market Ln,

Ste G

Dixon, CA 95620

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24.21 mi away

707-693-1947
Monday: Vary
Tuesday: Vary
Wednesday: Vary
Thursday: Vary
Friday: Vary
Saturday: Vary
Sunday: Vary
ARCpoint Labs of Martinez (Preferred)

3237 Alhambra Ave,

Martinez, CA 94553

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28.37 mi away

925-957-6870
Monday: 9:00 am-4:00 pm
Tuesday: 9:00 am-4:00 pm
Wednesday: 9:00 am-4:00 pm
Thursday: 9:00 am-4:00 pm
Friday: 9:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
Fastest Labs of Richmond (Preferred)

4261 Hilltop Dr,

Ste A

Richmond, CA 94803

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28.78 mi away

510-514-0090
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
No Drugs Inc - Martinez (Preferred)

839 Arnold Dr,

Ste 100

Martinez, CA 94553

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28.93 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
ARCpoint Labs of San Rafael (Preferred)

4340 Redwood Hwy,

Ste A33

San Rafel, CA 94903

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30.22 mi away

415-475-4620
Monday: 8:30 am-3:00 pm
Tuesday: 8:30 am-3:00 pm
Wednesday: 8:30 am-3:00 pm
Thursday: 8:30 am-3:00 pm
Friday: 8:30 am-3:00 pm
Saturday: Closed
Sunday: Closed
Fastest Labs of Oakland (Preferred)

1610 Harrison St,

Ste A1

Oakland, CA 94612

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40.67 mi away

510-488-3766
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
United Drug Testing (Preferred)

852 Northport Dr,

Ste 1

West Sacramento, CA 95691

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40.69 mi away

916-758-8002
Monday: 8:30 am-4:30 pm
Tuesday: 9:00 am-4:30 pm
Wednesday: 9:00 am-4:30 pm
Thursday: 9:00 am-4:30 pm
Friday: 9:00 am-4:30 pm
Saturday: Closed
Sunday: Closed
Agile Occ Med - W Sacramento (Preferred)

2455 Jefferson Blvd,

Ste 100

West Sacramento, CA 95691

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41.54 mi away

916-407-2390
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
RAD Testing & Mobile Collection (Preferred)

1435 N Market Blvd,

Ste 11

Sacramento, CA 95834

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45.66 mi away

916-520-0244
Monday: 9:00 am-4:00 pm
Tuesday: 9:00 am-4:00 pm
Wednesday: 9:00 am-4:00 pm
Thursday: 9:00 am-4:00 pm
Friday: 9:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
No Drugs Inc - Sacramento (Preferred)

7275 E Southgate Dr,

Ste 401

Sacramento, CA 95823

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45.87 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
No Drugs Inc - San Fran (Preferred)

9 Silliman St,

Ste 6

San Francisco, CA 94134

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46.13 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
Prime Drug Testing Natomas LLC (Preferred)

4237 S Market Ct,

Ste D

Sacramento, CA 95834

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46.34 mi away

916-270-6300
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
Capital Drug Testing (Preferred)

6624 Florin Rd,

Sacramento, CA 95828

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46.46 mi away

916-680-9293
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: Closed
MEDIC (Preferred)

65 Quinta Ct,

Ste D

Sacramento, CA 95823

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46.6 mi away

916-520-0904
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: 9:00 am-1:00 pm
Sunday: Closed
ProActive Work Health Sacramento (Preferred)

8001 Fruitridge Rd,

Ste D

Sacramento, CA 95820

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47.59 mi away

916-387-6929
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
National Drug Testing Labs LLC (Preferred)

7080 Florin Perkins Rd,

Sacramento, CA 95828

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48.29 mi away

916-538-0668
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
CheckPoint OTC (Preferred)

24326 MISSION BLVD,

STE 3

HAYWARD, CA 94544

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51.6 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
Hamby Chiropractic (Preferred)

6716 Madison Ave,

Ste A1

Fair Oaks, CA 95628

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55.38 mi away

916-966-4330
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
Adventist Hlth Lodi Mem - Occ Hlth (Preferred)

800 S Lower Sacramento Rd,

Building B

Lodi, CA 95242

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55.46 mi away

209-339-7441
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
American River UC - Rancho Cordova (Preferred)

4040 Sunrise Blvd,

Ste 130

Rancho Cordova, CA 95742

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56.7 mi away

916-790-3980
Monday: 9:00 am-4:00 pm
Tuesday: 9:00 am-4:00 pm
Wednesday: 9:00 am-4:00 pm
Thursday: 9:00 am-4:00 pm
Friday: 9:00 am-4:30 pm
Saturday: 9:00 am-2:00 pm
Sunday: 9:00 am-2:00 pm
No Drugs Inc - Lakeport (Preferred)

2559 Lakeshore Blvd,

Ste 4

Lakeport, CA 95453

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56.83 mi away

800-490-3784
Monday: 8:30 am-12:00 pm , 12:30 pm-3:30 pm
Tuesday: 8:30 am-12:00 pm , 12:30 pm-3:30 pm
Wednesday: 8:30 am-12:00 pm , 12:30 pm-3:30 pm
Thursday: 8:30 am-12:00 pm , 12:30 pm-3:30 pm
Friday: 8:30 am-12:00 pm , 12:30 pm-3:30 pm
Saturday: Closed
Sunday: Closed
Lincoln Urgent Care - Roseville (Preferred)

5007 Foothills Blvd,

Roseville, CA 95747

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57.93 mi away

916-727-6846
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: 9:00 am-5:00 pm
Sunday: 9:00 am-2:00 pm
Just Say No (Preferred)

12161 Folsom Blvd,

Suite C

Rancho Cordova, CA 95742

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58.07 mi away

916-985-2223
Monday: 8:00 am-2:00 pm
Tuesday: 8:00 am-2:00 pm
Wednesday: 8:00 am-2:00 pm
Thursday: 8:00 am-2:00 pm
Friday: 8:00 am-2:00 pm
Saturday: Closed
Sunday: Closed
COMP Stockton (Preferred)

1530 E Hammer Ln,

Stockton, CA 95210

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58.87 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
Zachary Owens, DC (Preferred)

201 Harding Blvd,

Ste J

Roseville, CA 95678

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59.37 mi away

916-784-2727
Monday: 3:00 pm-5:30 pm
Tuesday: 9:00 am-12:00 pm , 2:00 pm-5:30 pm
Wednesday: Closed
Thursday: 9:00 am-12:00 pm , 2:00 pm-5:30 pm
Friday: 9:00 am-12:00 pm , 2:00 pm-5:30 pm
Saturday: Closed
Sunday: Closed
ARCpoint Labs of Roseville-Rocklin (Preferred)

6681 Blue Oaks Blvd,

Ste 1

Rocklin, CA 95765

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59.98 mi away

279-300-2700
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
American River Urgent Care (Preferred)

9490 Madison Ave,

Ste 100

Orangevale, CA 95662

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61.31 mi away

916-354-5089
Monday: 9:00 am-6:00 pm
Tuesday: 9:00 am-6:00 pm
Wednesday: 9:00 am-6:00 pm
Thursday: 9:00 am-6:00 pm
Friday: 9:00 am-6:00 pm
Saturday: Closed
Sunday: Closed
Sutter Lab Inc (Preferred)

1650 Sierra Ave,

Ste 105

Yuba City, CA 95993

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61.81 mi away

530-300-9198
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: 8:00 am-1:00 pm
Sunday: Closed
San Joaquin Lab Services (Preferred)

130 N Wilson Way,

Stockton, CA 95205

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61.86 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
COMP Tracy (Preferred)

2156 W Grant Line Rd,

Ste 200

Tracy, CA 95377

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62.62 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
Granite Bay Urgent Care (Preferred)

5290 Douglas Blvd,

Ste 102

Granite Bay, CA 95746

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62.64 mi away

916-570-7265
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: 9:00 am-5:00 pm
Sunday: 9:00 am-2:00 pm
Families First Health & Wellness Center (Preferred)

466 Del Norte Ave,

Yuba City, CA 95991

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62.89 mi away

530-751-9355
Monday: 8:30 am-6:00 pm
Tuesday: 8:30 am-6:00 pm
Wednesday: 8:30 am-6:00 pm
Thursday: 8:30 am-6:00 pm
Friday: 8:30 am-6:00 pm
Saturday: 9:00 am-1:00 pm
Sunday: Closed
No Drugs Inc - Fremont (Preferred)

3225 Seldon Ct,

Fremont, CA 94539

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63.1 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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63.97 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
No Drugs Inc - Tracy (Preferred)

652 W 11Th St,

Ste 133

Tracy, CA 95376

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64.03 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
Prime Drug Testing LLC (Preferred)

143 Darcy Pkwy,

Lathrop, CA 95330

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66.67 mi away

209-417-6300
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: Vary
Sunday: Closed
COMP Manteca (Preferred)

165 Saint Dominics Dr,

Ste 202

Manteca, CA 95337

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68.98 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
Fastest Labs of Stockton (Preferred)

253 W Louise Ave,

Manteca, CA 95336

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69.56 mi away

209-200-8056
Monday: 10:00 am-6:00 pm
Tuesday: 10:00 am-6:00 pm
Wednesday: 10:00 am-6:00 pm
Thursday: 10:00 am-6:00 pm
Friday: 10:00 am-6:00 pm
Saturday: Closed
Sunday: Closed
ARCpoint Labs of Manteca (Preferred)

119 N Maple Ave,

Ste A

Manteca, CA 95336

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70.19 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
Manteca Family Chiropractic (Preferred)

965 E Yosemite Ave,

Ste 9

Manteca, CA 95336

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70.83 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

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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. © 2026 Quest Diagnostics Incorporated. All rights reserved. Image content features models and is intended for illustrative purposes only.