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

CHARLES C GRENIER, PA

PHYSICIAN ASSISTANT

Graduated: 1989

NPI: 1932179868

Practice Locations (1)

2350 W EL CAMINO REAL 2ND FL

MOUNTAIN VIEW, CA 940406203

Source: CMS National Downloadable File, September 2026.

CHARLES GRENIER, PA | HealthCareAtlasUSA