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

WILLIAM SHUN TZENG, MD

INTERNAL MEDICINE

Medical school: WASHINGTON UNIVERSITY SCHOOL OF MEDICINE

Graduated: 2020

Offers telehealth

NPI: 1649809385

Practice Locations (1)

HEALTH ALLIANCE MEDICAL GROUP

17170 COLIMA RD, SUITE G

HACIENDA HEIGHTS, CA 917456771

6269658202

Source: CMS National Downloadable File, September 2026.

WILLIAM TZENG, MD | HealthCareAtlasUSA