Quest Diagnostics

Lab Testing at Quest Diagnostics - Seal Beach Westminster - Employer Drug Testing Not Offered

Quest Diagnostics Patient Service Center in Seal Beach, CA 90740.

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Popular tests at this location:

TSH Lipid Panel CBC A1C Testosterone Vitamin D CMP

Address

2928 Westminster Ave
Seal Beach, CA 90740
Orange County

562-430-4960

Hours

Monday	6:00 AM – 3:00 PM
Tuesday	6:00 AM – 3:00 PM
Wednesday	6:00 AM – 3:00 PM
Thursday	6:00 AM – 3:00 PM
Friday	6:00 AM – 3:00 PM
Saturday	8:00 AM – 12:00 PM
Sunday	Closed

Nearby alternatives

LabCorp Seal Beach
1661 Golden Rain Rd, Seal Beach, CA 90740
0.4 mi
LabCorp Seal Beach
1190 Pacific Coast Hwy Ste C, Seal Beach, CA 90740
1.6 mi
Quest Diagnostics - Los Alamitos Cherry Street - Employer Drug Testing Not Offered
10861 Cherry St Ste 201, Los Alamitos, CA 90720
3.2 mi
LabCorp Los Alamitos
10861 Cherry St Ste 200, Los Alamitos, CA 90720
3.3 mi
Xpress Urgent Care Cypress
11741 Valley View St Ste A, Cypress, CA 90630
3.7 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.