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

JA EUN KOO, MD

HOSPITALIST

Medical school: WEST VIRGINIA UNIVERSITY SCHOOL OF MEDICINE

Graduated: 2013

Also: INTERNAL MEDICINE

NPI: 1558700187

Practice Locations (1)

FACULTY PHYSICIANS AND SURGEONS OF LLUSM

25828 REDLANDS BLVD, SUITE 102

REDLANDS, CA 923738451

9095586600

Source: CMS National Downloadable File, September 2026.