Quest Diagnostics

Lab Testing at Quest Diagnostics - Pomona Bonita Avenue - Employer Drug Testing Not Offered

Quest Diagnostics Patient Service Center in Pomona, CA 91767.

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Popular tests at this location:

TSH Lipid Panel CBC A1C Testosterone Vitamin D CMP

Address

250 W Bonita Ave Bldg A
Pomona, CA 91767
Los Angeles County

909-455-8253

Hours

Monday	6:00 AM – 3:30 PM
Tuesday	6:00 AM – 3:30 PM
Wednesday	6:00 AM – 3:30 PM
Thursday	6:00 AM – 3:30 PM
Friday	6:00 AM – 3:30 PM
Saturday	6:30 AM – 11:30 AM
Sunday	Closed

Nearby alternatives

LabCorp Pomona
1900 Royalty Dr Ste 230, Pomona, CA 91767
1.3 mi
Proactive Work Pomona
502 S Garey Ave, Pomona, CA 91766
2.8 mi
LabCorp Upland
1241 W Foothill Blvd, Upland, CA 91786
4.6 mi
Quest Diagnostics - Upland Mountain - Employer Drug Testing Not Offered
573 N Mountain Ave, Upland, CA 91786
4.7 mi
LabCorp Upland
400 N Mountain Ave Suite 109, Upland, CA 91786
4.7 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.