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

GEMMA G GUILLERMO, MD

PSYCHIATRY

Medical school: JS WEILL MEDICAL COLLEGE, CORNELL UNIVERSITY

Graduated: 1995

NPI: 1831154418

Practice Locations (1)

COUNTY OF SANTA CLARA

751 S BASCOM AVE, SANTA CLARA VLY MED

SAN JOSE, CA 951282604

4088855000

Source: CMS National Downloadable File, September 2026.

GEMMA GUILLERMO, MD | HealthCareAtlasUSA