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

ROBERT A FEREN, MD

HOSPITALIST

Medical school: GEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE

Graduated: 2002

Also: INTERNAL MEDICINE

NPI: 1851453104

Practice Locations (1)

GALEN INPATIENT PHYSICIANS PC

1000 GREENLEY RD

SONORA, CA 953705200

2095365000

Source: CMS National Downloadable File, September 2026.

ROBERT FEREN, MD | HealthCareAtlasUSA