Quest Diagnostics
Lab Testing at Quest Diagnostics - San Francisco Valencia Street - Employer Drug Testing Not Offered
Quest Diagnostics Patient Service Center in San Francisco, CA 94110.
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Address
1640 Valencia St Ste 1bSan Francisco, CA 94110
San Francisco County
Hours
| Monday | 7:30 AM – 11:30, 12:30 |
| Tuesday | 7:30 AM – 11:30, 12:30 |
| Wednesday | 7:30 AM – 11:30, 12:30 |
| Thursday | 7:30 AM – 11:30, 12:30 |
| Friday | 7:30 AM – 11:30, 12:30 |
| Saturday | Closed |
| Sunday | Closed |
Nearby alternatives
- No Drugs Inc - San Fran9 Silliman St Ste 6, San Francisco, CA 941341.3 mi
- Quest Diagnostics - San Francisco 15th Street2198 15th St, San Francisco, CA 941141.5 mi
- LabCorp San Francisco148 Noe St, San Francisco, CA 941141.6 mi
- LabCorp San Francisco2233 Post St Ste 105, San Francisco, CA 941152.8 mi
- Quest Diagnostics - San Francisco 2201 Post Street - Employer Drug Testing Not Offered2201 Post St, San Francisco, CA 941152.8 mi
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.