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

WILLIAM BONIS, MD

HEMATOLOGY/ONCOLOGY

Graduated: 1990

Also: INTERNAL MEDICINE

Offers telehealth

NPI: 1689779209

Practice Locations (1)

MARSHALL MEDICAL CENTER

3581 PALMER DR, SUITE 400

CAMERON PARK, CA 956828237

5306766600

Source: CMS National Downloadable File, September 2026.

WILLIAM BONIS, MD | HealthCareAtlasUSA