Here you'll find cheat sheets for several medical specialties.
MDBilling - OHIP Billing Codes for Internal Medicine
MDBilling - OHIP Billing Codes for Hospitalist (GP)
MDBilling - OHIP Billing Codes for Anaesthesia
MDBilling - OHIP Billing Codes for Psychiatry
MDBilling - OHIP Billing Codes for Long-Term Care Institution
MDBilling - OHIP Billing Codes for Medical Oncology
MDBilling - OHIP Billing Codes for Hematology
MDBilling - OHIP Billing Codes for Geriatrics
MDBilling - OHIP Billing Codes for Neurology
MDBilling - OHIP Billing Codes for Radiation Oncology
MDBilling - OHIP Billing Codes for Obstetrics and Gynaecology (OBGYN)