Diagnostic excellence. Clinical partnership.

Pathology Associates of Southern California (PASC) is a physician-led pathology practice dedicated to delivering accurate, timely, and comprehensive diagnostic services to hospitals, healthcare providers, and patients throughout Southern California.

Our board-certified pathologists and laboratory professionals provide expertise across anatomic pathology, clinical pathology, cytopathology, and specialized diagnostic testing to support informed medical decision-making and exceptional patient care.

Through a commitment to clinical excellence, innovation, collaboration, and service, PASC partners with healthcare organizations to ensure the highest standards of diagnostic accuracy, operational efficiency, and patient outcomes.

Meet the team

Expertise. Experience. Trusted Results.

Meet the board-certified pathologists delivering diagnostic excellence, clinical expertise, and trusted partnership throughout Southern California.

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Qi Cao, MD
Anatomic Pathology & Clinical Pathology
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Chenduen Hwang, MD
Anatomic Pathology, Clinical Pathology & Cytopathology
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Brian Kay, DO
Anatomic Pathology & Clinical Pathology
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Anna Loksh, MD
Anatomic Pathology & Clinical Pathology
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Kiran Qidwai, MD
Anatomic Pathology & Clinical Pathology
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John T Yamashita, MD
Anatomic Pathology & Clinical Pathology
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Xu Yao, MD
Anatomic Pathology & Clinical Pathology
Contact

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