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

MARK RALPH, MD

FAMILY PRACTICE

Graduated: 2017

NPI: 1730600388

Practice Locations (1)

ST. JOHN'S COMMUNITY HEALTH

1555 W 110TH ST

LOS ANGELES, CA 900474912

3237572775

Source: CMS National Downloadable File, September 2026.

MARK RALPH, MD | HealthCareAtlasUSA