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

JOHN K CHAN, MD

GYNECOLOGICAL ONCOLOGY

Medical school: UNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE

Graduated: 1995

Offers telehealth

NPI: 1962596551

Practice Locations (1)

SUTTER BAY MEDICAL FOUNDATION

3838 CALIFORNIA ST, RM 410

SAN FRANCISCO, CA 941181506

4157511847

Source: CMS National Downloadable File, September 2026.