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

FRANK S TZENG, MD

ENDOCRINOLOGY

Medical school: NEW YORK MEDICAL COLLEGE

Graduated: 1978

Also: INTERNAL MEDICINE

NPI: 1932292315

Practice Locations (2)

2485 HIGH SCHOOL AVE, SUITE 123

CONCORD, CA 945201812

9256761995

2485 HIGH SCHOOL AVE, SUITE 204

CONCORD, CA 945201817

Source: CMS National Downloadable File, September 2026.