Quest Diagnostics
Lab Testing at Quest Diagnostics - Santa Rosa Sonoma Avenue
Quest Diagnostics Patient Service Center in Santa Rosa, CA 95404.
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Address
990 Sonoma Ave Ste 18aSanta Rosa, CA 95404
Sonoma County
Hours
| 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 | 7:30 AM – 11:30 AM |
| Sunday | Closed |
Nearby alternatives
- LabCorp Santa Rosa1111 Sonoma Ave Ste 121, Santa Rosa, CA 954050.1 mi
- LabCorp Santa Rosa1111 Sonoma Ave Suite 112, Santa Rosa, CA 954050.1 mi
- LabCorp Santa Rosa3536 Mendocino Ave, Santa Rosa, CA 954032.7 mi
- Quest Diagnostics - Sebastopol Palm Avenue - Employer Drug Testing Not Offered6800 Palm Ave Suite G, Sebastopol, CA 954727 mi
- LabCorp Cotati7800 Old Redwood Hwy, Cotati, CA 949317.6 mi
More lab options around Santa Rosa
All Santa Rosa lab locationsCompare draw centers in Santa Rosa, CA.Lab testing in Santa Rosa, CASee ordering basics and common tests for this area.LabCorp Santa Rosa1111 Sonoma Ave Ste 121, Santa Rosa, CA 95405LabCorp Santa Rosa3536 Mendocino Ave, Santa Rosa, CA 95403LabCorp Santa Rosa1111 Sonoma Ave Suite 112, Santa Rosa, CA 95405
About this location
Quest Diagnostics Patient Service Center. Quest Diagnostics operates one of the largest networks of clinical laboratories in the United States, offering a wide range of diagnostic tests for patients, physicians, and employers.
Listing last updated 2026-04-25.