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

CHOON S KOO, MD

PATHOLOGY

Graduated: 1968

NPI: 1265427595

Practice Locations (1)

EXCEL PATHOLOGY

999 SAN BERNARDINO RD

UPLAND, CA 917864920

909985281126294

Source: CMS National Downloadable File, September 2026.

CHOON KOO, MD | HealthCareAtlasUSA