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Clinical Pathology in Los Angeles, California

Data updated monthly · Last refresh September 2026

10 Clinical Pathology providers practice in Los Angeles. Listings are drawn from federal public records and are not endorsements.

Clinical Pathology providers in Los Angeles

Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Alan Epstein, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 442-1172
Dr. Ashley Hagiya, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 442-2582
Dr. Giancarlo Cardoza
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 206-0944
Dr. Ibrahim Hajjali, MD, MSC
Los Angeles, CA · No drug or device payments recorded (2025) · (626) 689-1931
Dr. Linda Szymanski, D.O.
Los Angeles, CA · No drug or device payments recorded (2025) · (888) 631-2452
Dr. Nwe Nwe Soe, MBBS PHD D(ABHI)
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 206-0944
Dr. Philip Petersen, MD, PHD
Los Angeles, CA · No drug or device payments recorded (2025) · (626) 991-8927
Dr. Ryan Schmidt, M.D., PH.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (888) 631-2452
Dr. Wenjing Cao
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 206-0944
Dr. Zhen Mei
Los Angeles, CA · $1,949 in drug and device payments (2025) · (310) 267-3561

Common questions

How many Clinical Pathology providers are in Los Angeles, California?

There are 10 Clinical Pathology providers with active NPI records practicing in Los Angeles, according to federal NPPES data refreshed monthly.

Where does this data come from?

Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

All specialties in Los Angeles Clinical Pathology across California

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.