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

RALPH PETERSON, MD

GASTROENTEROLOGY

Medical school: HOWARD UNIVERSITY COLLEGE OF MEDICINE

Graduated: 1978

Also: INTERNAL MEDICINE

Offers telehealth

NPI: 1851311104

Practice Locations (2)

10520 MACARTHUR BLVD

Oakland, CA 946055248

10520 MACARTHUR BLVD

OAKLAND, CA 946055248

5205627467

Source: CMS National Downloadable File, September 2026.

RALPH PETERSON, MD | HealthCareAtlasUSA