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

MARK A FIERRO, MD

OBSTETRICS/GYNECOLOGY

Medical school: SAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE

Graduated: 2009

NPI: 1114155496

Practice Locations (1)

OBSTETRIX MEDICAL GROUP OF CALIFORNIA A PROFESSIONAL CORPORATION

2425 SAMARITAN DR

SAN JOSE, CA 951243908

80024338397746

Source: CMS National Downloadable File, September 2026.

MARK FIERRO, MD | HealthCareAtlasUSA