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

OLGA V DIAZ, MD

OBSTETRICS/GYNECOLOGY

Medical school: UNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE

Graduated: 2013

NPI: 1285011908

Practice Locations (1)

PERMANENTE MEDICAL GROUP INC

4501 SAND CREEK RD

ANTIOCH, CA 945318687

9258136500

Source: CMS National Downloadable File, September 2026.

OLGA DIAZ, MD | HealthCareAtlasUSA