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

JAMES C.S. HAHN, MD

INTERNAL MEDICINE

Graduated: 1975

NPI: 1033293634

Practice Locations (2)

1245 WILSHIRE BLVD, SUITE 790

LOS ANGELES, CA 900174881

3237351111

1515 N ALEXANDRIA AVE

LOS ANGELES, CA 900275203

3236608113

Source: CMS National Downloadable File, September 2026.

JAMES HAHN, MD | HealthCareAtlasUSA