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

CHENG YANG C TUAN, MD

ENDOCRINOLOGY

Medical school: NEW YORK UNIVERSITY SCHOOL OF MEDICINE

Graduated: 1997

Also: INTERNAL MEDICINE

Offers telehealth

NPI: 1891746129

Practice Locations (1)

1580 VALENCIA ST, SUITE 208

SAN FRANCISCO, CA 941104420

4156957661

Source: CMS National Downloadable File, September 2026.

CHENG YANG TUAN, MD | HealthCareAtlasUSA