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

RUBY JIA-RO CHIEN, MD

INTERNAL MEDICINE

Medical school: UNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)

Graduated: 2023

NPI: 1417650227

Practice Locations (3)

PO BOX, SUITE 14091

Orange, CA 928631491

333 CITY BLVD W, SUITE 400

ORANGE, CA 928682994

PO BOX

ORANGE, CA 92863

Source: CMS National Downloadable File, September 2026.

RUBY CHIEN, MD | HealthCareAtlasUSA