HealthcareDiscovery.AI / Doctors / California / West Covina / Diagnostic Radiology

Diagnostic Radiology in West Covina, California

Data updated monthly · Last refresh September 2026

9 Diagnostic Radiology providers practice in West Covina. Listings are drawn from federal public records and are not endorsements.

Diagnostic Radiology providers in West Covina

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. Adil Mazhar, MD
West Covina, CA · No drug or device payments recorded (2025) · (626) 814-2473
Dr. Danica Holt, M.D.
West Covina, CA · $30 in drug and device payments (2025) · (626) 698-7266
Dr. Gerald Grossman, M.D.
West Covina, CA · No drug or device payments recorded (2025) · (323) 932-5301
Dr. Gi-hyung Lee, M.D.
West Covina, CA · No drug or device payments recorded (2025) · (626) 813-9988
Dr. Ivan Rosen, M.D.
West Covina, CA · No drug or device payments recorded (2025) · (626) 814-2540
Dr. Katharine Tansavatdi, M.D.
West Covina, CA · No drug or device payments recorded (2025) · (626) 814-2473
Dr. Pi-lieh Chow, M.D.
West Covina, CA · No drug or device payments recorded (2025) · (626) 814-2473
Dr. Scott Kwok, M.D.
West Covina, CA · $16,822 in drug and device payments (2025) · (626) 813-9988
Dr. Truc Truong, M.D.
West Covina, CA · No drug or device payments recorded (2025) · (626) 813-9988

Common questions

How many Diagnostic Radiology providers are in West Covina, California?

There are 9 Diagnostic Radiology providers with active NPI records practicing in West Covina, 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 West Covina Diagnostic Radiology 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.