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

KYU D AHN, MD

INTERNAL MEDICINE

Graduated: 1977

NPI: 1427015593

Practice Locations (2)

12555 GARDEN GROVE BLVD, SUITE 505

GARDEN GROVE, CA 928431904

7145396100

1902 ROYALTY DR, SUITE 140

POMONA, CA 917673038

9096200389

Source: CMS National Downloadable File, September 2026.

KYU AHN, MD | HealthCareAtlasUSA