Quest Diagnostics
Lab Testing at Quest Diagnostics - Pasadena Bellefontaine - Employer Drug Testing Not Offered
Quest Diagnostics Patient Service Center in Pasadena, CA 91105.
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Address
50 Bellefontaine St Ste 101Pasadena, CA 91105
Los Angeles County
Hours
| Monday | 6:30 AM – 5:00 PM |
| Tuesday | 6:30 AM – 5:00 PM |
| Wednesday | 6:30 AM – 5:00 PM |
| Thursday | 6:30 AM – 5:00 PM |
| Friday | 6:30 AM – 5:00 PM |
| Saturday | 7:30 AM – 12:00 PM |
| Sunday | Closed |
Nearby alternatives
- LabCorp Pasadena50 Alessandro Pl Suite A10, Pasadena, CA 911050 mi
- LabCorp Pasadena310 S Lake Ave, Pasadena, CA 911011.3 mi
- Quest Diagnostics - Pasadena North Madison - Employer Drug Testing Not Offered65 N Madison Ave Ste 305, Pasadena, CA 911011.3 mi
- LabCorp Pasadena960 E Green St Ste 290, Pasadena, CA 911061.5 mi
- Quest Diagnostics - Pasadena East Green960 E Green St Ste 164, Pasadena, CA 911061.5 mi
More lab options around Pasadena
All Pasadena lab locationsCompare draw centers in Pasadena, CA.LabCorp Pasadena50 Alessandro Pl Suite A10, Pasadena, CA 91105LabCorp Pasadena960 E Green St Ste 290, Pasadena, CA 91106LabCorp Pasadena310 S Lake Ave, Pasadena, CA 91101Quest Diagnostics - Pasadena East Green960 E Green St Ste 164, Pasadena, CA 91106Quest Diagnostics - Pasadena North Madison - Employer Drug Testing Not Offered65 N Madison Ave Ste 305, Pasadena, CA 91101Pacific Medical Services Pasadena - 3rd Party Phlebotomy Service1713 E Walnut St, Pasadena, CA 91106
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.