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

WILLIAM R OBRIEN DIBRIELLE, MD

INTERNAL MEDICINE

Medical school: ALBERT EINSTEIN COLLEGE OF MEDICINE OF YESHIVA UNIVERSITY

Graduated: 2008

NPI: 1043483837

Practice Locations (1)

PERMANENTE MEDICAL GROUP INC

2238 GEARY BLVD

SAN FRANCISCO, CA 941153416

4158332200

Source: CMS National Downloadable File, September 2026.

WILLIAM OBRIEN DIBRIELLE, MD | HealthCareAtlasUSA