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

CHRISTEPHER D YAO, MD

EMERGENCY MEDICINE

Graduated: 2004

NPI: 1649237637

Practice Locations (1)

EMERGENCY MEDICINE SPECIALISTS OF ORANGE COUNTY

1100 W STEWART DR

ORANGE, CA 928683849

7146339111

Source: CMS National Downloadable File, September 2026.

CHRISTEPHER YAO, MD | HealthCareAtlasUSA