HealthcareDiscovery.AI / Doctors / California / Santa Ana / Diagnostic Radiology

Diagnostic Radiology in Santa Ana, California

Data updated monthly · Last refresh September 2026

19 Diagnostic Radiology providers practice in Santa Ana. Listings are drawn from federal public records and are not endorsements.

Diagnostic Radiology providers in Santa Ana

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. Alexander Lin, M.D.
Santa Ana, CA · $133 in drug and device payments (2025) · (714) 547-3346
Dr. Christina Ma, M.D.
Santa Ana, CA · $91 in drug and device payments (2025) · (310) 267-8797
Dr. David Rodibaugh, M.D.
Santa Ana, CA · No drug or device payments recorded (2025) · (714) 835-6055
Dr. Duke Nguyen, M.D.
Santa Ana, CA · $427 in drug and device payments (2025) · (714) 835-6055
Dr. Glenda Romero-urquhart, M.D.
Santa Ana, CA · No drug or device payments recorded (2025) · (714) 835-6055
Dr. Jeffrey Tan
Santa Ana, CA · No drug or device payments recorded (2025) · (949) 428-0500
Dr. Jessica Langer, MD
Santa Ana, CA · $14 in drug and device payments (2025) · (714) 835-6055
Dr. Joseph Brugman, M.D.
Santa Ana, CA · No drug or device payments recorded (2025) · (714) 835-6055
Dr. Joy Johnson, MD
Santa Ana, CA · No drug or device payments recorded (2025) · (714) 542-3597
Dr. Khurshed Dastur, MD
Santa Ana, CA · No drug or device payments recorded (2025) · (714) 835-6055
Dr. Laszlo Kaveggia, M.D.
Santa Ana, CA · No drug or device payments recorded (2025) · (714) 835-6055
Dr. Lindsey Storer, MD
Santa Ana, CA · No drug or device payments recorded (2025) · (714) 835-6055
Dr. Mark Stein, M.D.
Santa Ana, CA · No drug or device payments recorded (2025) · (714) 835-6055
Dr. Martin Wieler, M.D.
Santa Ana, CA · No drug or device payments recorded (2025) · (714) 545-9441
Dr. Maurice Yu, M.D.
Santa Ana, CA · $24 in drug and device payments (2025) · (949) 583-9264
Dr. Michael Brown, D.O.
Santa Ana, CA · No drug or device payments recorded (2025) · (716) 830-8009
Dr. Patricia Kincaid, M.D.
Santa Ana, CA · $119 in drug and device payments (2025) · (714) 835-6055
Dr. Saif Siddiqi, M.D.
Santa Ana, CA · No drug or device payments recorded (2025) · (714) 953-3390
Dr. Tam Ngo, MD
Santa Ana, CA · No drug or device payments recorded (2025) · (714) 550-0853

Common questions

How many Diagnostic Radiology providers are in Santa Ana, California?

There are 19 Diagnostic Radiology providers with active NPI records practicing in Santa Ana, 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 Santa Ana 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.