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

WARREN JOSEPH A SAN DIEGO, MD

INTERNAL MEDICINE

Graduated: 2011

NPI: 1083036743

Practice Locations (1)

NORTHBAY PHYSICIANS SURGERY CENTER, LLC

1200 B GALE WILSON BLVD

FAIRFIELD, CA 945333552

7074293600

Source: CMS National Downloadable File, September 2026.

WARREN JOSEPH SAN DIEGO, MD | HealthCareAtlasUSA