For urgent matters only, the OPPATTM Team can be reached by phone at: 519.884.0710 x4009.

For all other inquiries, please use the form below to have your OPPATTM questions answered in detail.

Please use the registration website to cancel or reschedule your test.

Our mailing address is: 
OPPAT TM 
c/o Renee MacPhee, PhD
75 University Avenue West
Waterloo, ON.  N2L 3C5
Canada