HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / CA

DAVID RAY VIERRA, MD

HOSPITALIST

Graduated: 2020

NPI: 1467030619

Practice Locations (1)

PROVIDENCE MEDICAL FOUNDATION

1000 TRANCAS ST

NAPA, CA 945582906

7072524411

Source: CMS National Downloadable File, September 2026.

DAVID VIERRA, MD | HealthCareAtlasUSA