Ontario
Ministry of Government and Consumer Services
Gregory Tai Hoon Um
Physicians And Surgeon - Independent Practice
License number
65223
Date granted
06/29/1993
Class
Physicians And Surgeon - Independent Practice
Status
Active
Address
Main Street Square, 1-381 Main Street North, Markham ON L3P 1Z3, Phone: (905) 471-4795
licensingontario.org
ID 33170554
LAST UPDATED 2026-03-26 16:31:29 UTC
LAST UPDATED 2026-03-26 16:31:29 UTC
This website is unaffiliated with the Ministry of Government and Consumer Services. Please verify all information directly with the relevant official government authority.