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

SEAN LEONI, MD

INTERNAL MEDICINE

Graduated: 1993

Also: PAIN MANAGEMENT

NPI: 1669544052

Practice Locations (2)

11525 BROOKSHIRE AVE, SUITE 205

DOWNEY, CA 902414982

8882546600

16661 VENTURA BLVD, SUITE 604

ENCINO, CA 914361980

8187888213

Source: CMS National Downloadable File, September 2026.

SEAN LEONI, MD | HealthCareAtlasUSA