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

RALPH B ARMSTRONG, MD

OBSTETRICS/GYNECOLOGY

Graduated: 2001

NPI: 1477526028

Practice Locations (1)

931 SUNSET DR

HOLLISTER, CA 950235602

8316350604

Source: CMS National Downloadable File, September 2026.

RALPH ARMSTRONG, MD | HealthCareAtlasUSA