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

RYAN H JOO, MD

INFECTIOUS DISEASE

Graduated: 2009

Also: INTERNAL MEDICINE

NPI: 1639301922

Practice Locations (1)

960 E GREEN ST, SUITE 105

PASADENA, CA 911062443

6263040782

Source: CMS National Downloadable File, September 2026.