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

ROY K SUMIDA, MD

DIAGNOSTIC RADIOLOGY

Medical school: UNIVERSITY OF MICHIGAN MEDICAL SCHOOL

Graduated: 1989

Also: INTERVENTIONAL RADIOLOGY

NPI: 1851471601

Practice Locations (2)

PERMANENTE MEDICAL GROUP INC

401 BICENTENNIAL WAY

SANTA ROSA, CA 954032149

7073934000

PERMANENTE MEDICAL GROUP INC

7373 W LANE

STOCKTON, CA 952103377

2094762000

Source: CMS National Downloadable File, September 2026.

ROY SUMIDA, MD | HealthCareAtlasUSA