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

SIOBHAN L CALHOUN, MD

OBSTETRICS/GYNECOLOGY

Medical school: EASTERN VIRGINIA MEDICAL SCHOOL

Graduated: 1995

NPI: 1396726295

Practice Locations (2)

WASHINGTON TOWNSHIP MEDICAL FOUNDATION

2299 MOWRY AVE

FREMONT, CA 945381621

WASHINGTON TOWNSHIP MEDICAL FOUNDATION

39500 FREMONT BLVD, SUITE 100

FREMONT, CA 945382101

5106879510

Source: CMS National Downloadable File, September 2026.