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

ROBERT D HESSELGESSER, MD

RADIATION ONCOLOGY

Medical school: NEW YORK MEDICAL COLLEGE

Graduated: 1971

NPI: 1710979687

Practice Locations (1)

GOLDEN STATE RADIATION ONCOLOGY, INC.

21300 ERWIN ST

WOODLAND HILLS, CA 913673717

8184492700

Source: CMS National Downloadable File, September 2026.