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Laboratory

In the laboratory, a highly skilled and dedicated medical team of patient service representatives, laboratory assistants, clinical laboratory scientists, managers, and pathologists work together as a team to provide your physicians with valuable data to determine the presence, extent, or absence of disease, as well as the effectiveness of treatment.

At Kaiser Permanente in Fremont, Hayward, and Union City, these medical laboratory professionals are a team dedicated to bringing you the best patient care. We strive, so that you can thrive! 

Laboratories in Fremont, Hayward, San Leandro & Union City Fact Sheets:
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Fremont Medical Center

39400 Paseo Padre Parkway
Hospital Building, 2nd Floor
Fremont, CA 94538

Phone: 510-248-3139

Monday - Friday: 7:00 am - 7:00 pm
Saturday & Sunday: 7:00 am - 12:00 pm
Closed Holidays

Hayward Medical Offices

27303 Sleepy Hollow Avenue
Sleepy Hollow Building, 1st Floor
Hayward, CA 94545

Monday - Friday: 9:00 am - 5:00 pm
Closed for Lunch: 12:30 - 1:30 pm
Closed Weekends & Holidays

San Leandro Medical Center

2500 Merced Street
Building A, 1st Floor
San Leandro, CA 94577

Phone: (510) 454-4250
HIV Testing: (510) 454-2700

Monday - Friday: 7:00 am - 7:00 pm
Saturday - Sunday: 7:00 am - 12:00 pm
Closed on Holidays

HIV Testing Hours
Tuesday: 1:30 - 3:30 pm
Wednesday: 5:00 - 7:00 pm
Friday: 9:00 - 11:00 am

Union City Medical Offices

3555 Whipple Road
Building A, 1st Floor 
Union City, CA 94587

Phone: (510) 675-2170

Monday - Friday: 7:00 am - 5:30 pm
Closed Weekends & Holidays

Southern Alameda County

Fremont, Hayward, San Leandro and Union City