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Diagnostic Radiology in Fullerton, California

Data updated monthly · Last refresh September 2026

14 Diagnostic Radiology providers practice in Fullerton. Listings are drawn from federal public records and are not endorsements.

Diagnostic Radiology providers in Fullerton

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. Bradford Silveira, MD
Fullerton, CA · No drug or device payments recorded (2025) · (714) 992-3978
Dr. Bradley Jackson, M.D.
Fullerton, CA · $1,538 in drug and device payments (2025) · (714) 992-3978
Dr. Chau Huynh, M.D.
Fullerton, CA · $154 in drug and device payments (2025) · (714) 922-3978
Dr. Edgar Stambuk, MD
Fullerton, CA · No drug or device payments recorded (2025) · (714) 992-3978
Dr. Hao Ngo, MD
Fullerton, CA · No drug or device payments recorded (2025) · (714) 992-3978
Dr. Hosam Moustafa, MD
Fullerton, CA · No drug or device payments recorded (2025) · (714) 278-9363
Dr. Jagdish Patel, MD
Fullerton, CA · No drug or device payments recorded (2025) · (714) 278-9363
Dr. Jayshree Sampat, MD
Fullerton, CA · No drug or device payments recorded (2025) · (714) 992-3978
Dr. Leslie Doi, MD
Fullerton, CA · No drug or device payments recorded (2025) · (714) 992-3978
Dr. Maren Sowerby, MD
Fullerton, CA · No drug or device payments recorded (2025) · (714) 992-3978
Dr. Marvin Rawitch, MD
Fullerton, CA · No drug or device payments recorded (2025) · (714) 992-3978
Dr. Phillip Unger, MD
Fullerton, CA · No drug or device payments recorded (2025) · (714) 992-3978
Dr. Robert Morten, MD
Fullerton, CA · No drug or device payments recorded (2025) · (714) 992-3978
Dr. Samuel Maxwell, MD
Fullerton, CA · No drug or device payments recorded (2025) · (714) 992-3978

Common questions

How many Diagnostic Radiology providers are in Fullerton, California?

There are 14 Diagnostic Radiology providers with active NPI records practicing in Fullerton, 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 Fullerton Diagnostic Radiology across California

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.