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

CHAO SUN, MD

GENERAL PRACTICE

Graduated: 1983

Also: PREVENTIVE MEDICINE

NPI: 1013118884

Practice Locations (3)

145 W CALAVERAS BLVD

MILPITAS, CA 950355201

9259159530

5700 STONERIDGE MALL RD, SUITE 100

Pleasanton, CA 945882872

5700 STONERIDGE MALL RD

PLEASANTON, CA 945882872

Source: CMS National Downloadable File, September 2026.

CHAO SUN, MD | HealthCareAtlasUSA