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

WARREN CHANG, MD

NEPHROLOGY

Graduated: 1998

Offers telehealth

NPI: 1083674550

Practice Locations (2)

WEST COAST KIDNEY

1498 SOUTHGATE AVE, SUITE 102

DALY CITY, CA 940154015

6507554490

NORTH EAST MEDICAL SERVICES

1520 STOCKTON ST

SAN FRANCISCO, CA 941333354

4153919686

Source: CMS National Downloadable File, September 2026.

WARREN CHANG, MD | HealthCareAtlasUSA