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

RON Y GU, MD

INTERNAL MEDICINE

Medical school: NATIONAL MEDICAL UNIVERSITY

Graduated: 1968

NPI: 1851494215

Practice Locations (3)

COLIMA MEDICAL CLINIC PC

1850 S AZUSA AVE, SUITE 205

Hacienda Heights, CA 917456853

COLIMA MEDICAL CLINIC PC

1850 S AZUSA AVE, SUITE 205

HACIENDA HEIGHTS, CA 917456813

COLIMA MEDICAL CLINIC PC

1850 S AZUSA AVE, SUITE 205

HACIENDA HEIGHTS, CA 917456853

6269642880

Source: CMS National Downloadable File, September 2026.

RON GU, MD | HealthCareAtlasUSA