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

ETHAN W HSU, MD

INTERNAL MEDICINE

Graduated: 2024

NPI: 1982270401

Practice Locations (3)

335 E AVE I

Lancaster, CA 935351916

335 E AVE I

LANCASTER, CA 93535

335 E AVE I

LANCASTER, CA 935351916

Source: CMS National Downloadable File, September 2026.

ETHAN HSU, MD | HealthCareAtlasUSA