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

TAMMY WING SAM CHEW, MD

FAMILY PRACTICE

Graduated: 2016

NPI: 1235584863

Practice Locations (1)

PERMANENTE MEDICAL GROUP INC

2238 GEARY BLVD

SAN FRANCISCO, CA 941153416

4158332200

Source: CMS National Downloadable File, September 2026.

TAMMY CHEW, MD | HealthCareAtlasUSA