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

JOHN Y WONG, OD

OPTOMETRY

Medical school: SOUTHERN CALIFORNIA COLLEGE OF OPTOMETRY

Graduated: 2005

NPI: 1457371619

Practice Locations (1)

20211 PATIO DR

CASTRO VALLEY, CA 945464338

5108814401

Source: CMS National Downloadable File, September 2026.

JOHN WONG, OD | HealthCareAtlasUSA