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

ALEX DIAZ, DO

INTERNAL MEDICINE

Graduated: 2015

Offers telehealth

NPI: 1659759363

Practice Locations (1)

5401 NORRIS CANYON RD, SUITE 308

SAN RAMON, CA 945835408

9258668822

Source: CMS National Downloadable File, September 2026.

ALEX DIAZ, DO | HealthCareAtlasUSA