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

GREGORY P FONTANA, MD

THORACIC SURGERY

Medical school: UNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE

Graduated: 1984

Also: CARDIAC SURGERY

NPI: 1508840570

Practice Locations (1)

GOLDEN STATE PROVIDERS, A MEDICAL CORPORATION

215 W JANSS RD

THOUSAND OAKS, CA 913601847

8058529100

Source: CMS National Downloadable File, September 2026.

GREGORY FONTANA, MD | HealthCareAtlasUSA