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Who is WestPac Labs

WestPac Labs is a network of three clinical and anatomic pathology laboratories with an unwavering commitment to our clients and the patients who we are privileged to serve.

With laboratories located on the Central Coast in San Luis Obispo, CA , Bakersfield, CA and in the Los Angeles area in Santa Fe Springs, CA,  we have conveniently located Patient Service Centers and a vast network of couriers to meet our clients’ local needs.

Nationally, WestPac Labs is part of the Sonic Healthcare USA federation of community laboratories. The federated Sonic Healthcare model allows laboratories to remain locally focused, yet also utilize the national and global power of the third largest laboratory medicine company, Sonic Healthcare Limited.

We believe in a business culture based on medical leadership throughout our entire company which leads to the delivery of outstanding laboratory services. WestPac Labs is fully licensed by the state of California, the Centers for Medicare and Medicaid Services (CLIA) and accredited by the College of American Pathologists (CAP) at our facilities in San Luis Obispo and Bakersfield.


Our Unwavering Mission


We strive each day to surpass our clients’ expectations with stellar client service and offer a comprehensive test menu that is designed to provide physicians and their patients with the most accurate, meaningful and timely results possible.  Our advanced technology and innovation has enabled us to offer unique molecular pathology services and a flexible laboratory information system that interfaces with nearly all physician EHRs.