Quest Diagnostics
Lab Testing at Quest Diagnostics - Seattle Madison - Employer Drug Testing Not Offered
Quest Diagnostics Patient Service Center in Seattle, WA 98104.
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Address
1101 Madison St Suite 1210Seattle, WA 98104
King County
Hours
| 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 |
Nearby alternatives
- LabCorp Seattle1229 Madison St Ste 610, Seattle, WA 981040.1 mi
- LabCorp Seattle550 17th Ave Ste 200, Seattle, WA 981220.7 mi
- Fastest Labs Of South Seattle3232 1st Ave S, Seattle, WA 981342.4 mi
- LabCorp Seattle3601 Fremont Ave N Suite 412, Seattle, WA 981033 mi
- Quest Diagnostics - Inside Safeway Seattle1423 Nw Market St, Seattle, WA 981074.7 mi
More lab options around Seattle
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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.