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

MARIA OLIVIA ORTIZ CASTILLO

INTERNAL MEDICINE

Medical school: UNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE

Graduated: 2010

NPI: 1811298516

Practice Locations (3)

CITY OF HOPE MEDICAL FOUNDATION

1500 DUARTE RD

DUARTE, CA 910103012

6262564673

CITY OF HOPE MEDICAL FOUNDATION

1500 E DUARTE RD

DUARTE, CA 910103012

CITY OF HOPE MEDICAL FOUNDATION

209 FAIR OAKS AVE

SOUTH PASADENA, CA 910301814

6263962900

Source: CMS National Downloadable File, September 2026.

MARIA OLIVIA ORTIZ CASTILLO | HealthCareAtlasUSA