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 G ZAHARCHUK, MD

DIAGNOSTIC RADIOLOGY

Medical school: HARVARD MEDICAL SCHOOL

Graduated: 2000

NPI: 1376653675

Practice Locations (3)

STANFORD HEALTH CARE

6121 HOLLIS ST

EMERYVILLE, CA 946082077

STANFORD HEALTH CARE

5555 W LAS POSITAS BLVD

PLEASANTON, CA 945884000

9258473000

STANFORD HEALTH CARE

300 PASTEUR DR

STANFORD, CA 943052200

6507234000

Source: CMS National Downloadable File, September 2026.

GREGORY ZAHARCHUK, MD | HealthCareAtlasUSA