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

JAMES R ZIEGENBEIN, MD

INFECTIOUS DISEASE

Medical school: UNIVERSITY OF CALIFORNIA, IRVINE, CALIFORNIA COLLEGE OF MEDICINE

Graduated: 1988

NPI: 1447278072

Practice Locations (1)

8301 FLORENCE AVE, SUITE 301

DOWNEY, CA 902403948

5628620604

Source: CMS National Downloadable File, September 2026.