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

GEMMA TH KO, MD

INTERNAL MEDICINE

Medical school: UNIVERSITY OF HAWAII JOHN A. BURNS SCHOOL OF MEDICINE

Graduated: 1990

Offers telehealth

NPI: 1437167715

Practice Locations (1)

GEMMA TH KO,MD. INC.

4511 ROSEMEAD BLVD

PICO RIVERA, CA 906602032

5626923388

Source: CMS National Downloadable File, September 2026.

GEMMA KO, MD | HealthCareAtlasUSA