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

LI SI ZENG, PA

PHYSICIAN ASSISTANT

Medical school: TOURO UN COLLEGE OF OSTEOPATHIC MEDICINE, VALLEJO

Graduated: 2014

NPI: 1083020606

Practice Locations (1)

TIEN T NGUYEN M.D. INC.

18035 BROOKHURST ST, SUITE 1700

FOUNTAIN VALLEY, CA 927086738

7144332000

Source: CMS National Downloadable File, September 2026.