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

ONECHANG WILLIAM LEE, MD

NEUROSURGERY

Medical school: ALBANY MEDICAL COLLEGE OF UNION UNIVERSITY

Graduated: 2008

NPI: 1881838662

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.

ONECHANG LEE, MD | HealthCareAtlasUSA