Quest Diagnostics

Lab Testing at Quest Diagnostics - Riverside 9041 Magnolia

Quest Diagnostics Patient Service Center in Riverside, CA 92503.

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Popular tests at this location:

TSH Lipid Panel CBC A1C Testosterone Vitamin D CMP

Address

9041 Magnolia Ave Ste 205
Riverside, CA 92503
Riverside County

951-688-3883

Hours

Monday	7:30 AM – 5:00 PM
Tuesday	7:30 AM – 5:00 PM
Wednesday	7:30 AM – 5:00 PM
Thursday	7:30 AM – 5:00 PM
Friday	7:30 AM – 5:00 PM
Saturday	8:30 AM – 12:00 PM
Sunday	Closed

Nearby alternatives

LabCorp Riverside
10992 Magnolia Ave, Riverside, CA 92505
2.5 mi
Quest Diagnostics - Riverside 6926 Brockton - Employer Drug Testing Not Offered
6926 Brockton Ave Ste 2, Riverside, CA 92506
2.9 mi
LabCorp Riverside
6860 Brockton Ave Ste 7, Riverside, CA 92506
2.9 mi
Comp - Riverside
4300 Central Ave, Riverside, CA 92506
2.9 mi
LabCorp Riverside
6600 Magnolia Ave, Riverside, CA 92506
3 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.