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

TIFFANY Y SIA, MD

OBSTETRICS/GYNECOLOGY

Medical school: COLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS

Graduated: 2017

Also: GYNECOLOGICAL ONCOLOGY

Offers telehealth

NPI: 1760915912

Practice Locations (2)

BAY AREA GYNECOLOGY ONCOLOGY INC

910 CAMPISI WAY, SUITE 2A

CAMPBELL, CA 950082351

4088274274

WASHINGTON TOWNSHIP MEDICAL FOUNDATION

2299 MOWRY AVE, SUITE 3C

FREMONT, CA 945381621

5102481470

Source: CMS National Downloadable File, September 2026.

TIFFANY SIA, MD | HealthCareAtlasUSA