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

MARY M O NEILL, MD

OBSTETRICS/GYNECOLOGY

Medical school: CREIGHTON UNIVERSITY SCHOOL OF MEDICINE

Graduated: 1985

Offers telehealth

NPI: 1215142419

Practice Locations (1)

200 W CAMPBELL AVE

CAMPBELL, CA 950081030

4085830522

Source: CMS National Downloadable File, September 2026.