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 LOURDES L AGUSTIN, MD

INTERNAL MEDICINE

Graduated: 1999

NPI: 1235227018

Practice Locations (2)

SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP

9961 SIERRA AVE

FONTANA, CA 923356720

9094275000

SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP

10850 ARROW RTE

RANCHO CUCAMONGA, CA 917304833

8887500036

Source: CMS National Downloadable File, September 2026.

MARIA LOURDES AGUSTIN, MD | HealthCareAtlasUSA