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

SIAMAK STEPHEN MARZBAN, MD

INTERNAL MEDICINE

Graduated: 1979

NPI: 1164447959

Practice Locations (2)

2403 S MORAY AVE, SUITE 2

SAN PEDRO, CA 907324342

2403 S MORAY AVE, SUITE 2B

SAN PEDRO, CA 907324358

3108322694

Source: CMS National Downloadable File, September 2026.

SIAMAK MARZBAN, MD | HealthCareAtlasUSA