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.