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

RUBY JANE SIA, MD

INTERNAL MEDICINE

Graduated: 1991

NPI: 1518061860

Practice Locations (1)

16008 TUSCOLA RD, SUITE 1

APPLE VALLEY, CA 923071427

7609463888

Source: CMS National Downloadable File, September 2026.

RUBY JANE SIA, MD | HealthCareAtlasUSA