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

DIANA DOAN-NGUYEN, NP

NURSE PRACTITIONER

Graduated: 2021

NPI: 1225792369

Practice Locations (2)

HOAG CLINIC

4699 JAMBOREE RD

NEWPORT BEACH, CA 926602504

9495570951

REGENTS OF THE UNIVERSITY OF

101 THE CITY DR S

ORANGE, CA 928683201

7144567004

Source: CMS National Downloadable File, September 2026.

DIANA DOAN-NGUYEN, NP | HealthCareAtlasUSA