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

STEVEN RITTENBERG, MD

FAMILY PRACTICE

Graduated: 1993

NPI: 1851455893

Practice Locations (1)

SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP

21263 ERWIN ST

WOODLAND HILLS, CA 913673715

8885153500

Source: CMS National Downloadable File, September 2026.

STEVEN RITTENBERG, MD | HealthCareAtlasUSA