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

MARGARET MARY O'CONNOR, NP

NURSE PRACTITIONER

Graduated: 2006

Offers telehealth

NPI: 1538202452

Practice Locations (1)

ADVENTIST HEALTH PHYSICIANS NETWORK

913 WASHINGTON ST

CALISTOGA, CA 945151433

Source: CMS National Downloadable File, September 2026.

MARGARET O'CONNOR, NP | HealthCareAtlasUSA