Samuel Y.Y., Chang M.D.Attending and Clinical Associate ProfessorPsychiatry Child & Adolescent Psychiatry Education: University of Alberta Faculty of Medicine and DentistryMain Office:403-944-3351 Samuel Chang MD 1001-1403 29 ST NW Calgary, AB T2N 2T9 Certification: Board Certified in Psychiatry and Child and Adolescent Psychiatry