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Diagnostic Radiology in Napa, California

Data updated monthly · Last refresh September 2026

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

Diagnostic Radiology providers in Napa

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. Andrew Nicks, MD
Napa, CA · No drug or device payments recorded (2025) · (707) 252-4411
Dr. Benjamin Vanderzwaag, M.D.
Napa, CA · No drug or device payments recorded (2025) · (707) 256-3800
Dr. Bruce Troup, M.D.
Napa, CA · No drug or device payments recorded (2025) · (707) 252-4633
Dr. Christopher Schultz, M.D.
Napa, CA · $140 in drug and device payments (2025) · (707) 252-4633
Dr. Daniel Bunnell, MD
Napa, CA · No drug or device payments recorded (2025) · (707) 252-4633
Dr. David Goller, M.D.
Napa, CA · $117 in drug and device payments (2025) · (707) 252-4633

Common questions

How many Diagnostic Radiology providers are in Napa, California?

There are 6 Diagnostic Radiology providers with active NPI records practicing in Napa, 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 Napa 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.