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

DONALD J GRECO, MD

EMERGENCY MEDICINE

Medical school: SAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE

Graduated: 1996

NPI: 1922032739

Practice Locations (1)

ST JUDE EMERGENCY MEDICAL GROUP INC

101 E VALENCIA MESA DR

FULLERTON, CA 928353809

7148713280

Source: CMS National Downloadable File, September 2026.

DONALD GRECO, MD | HealthCareAtlasUSA