Contact us: Organ and tissue donor registration There are many ways to contact us. Phone numbersTelehealth Ontario Toll-free: 1-866-797-0000 For general inquiries, call: ServiceOntario Tel: 416-314-5518 Toll-free: 1-866-532-3161 TTY: 1-800-387-5559 Hours of operation: Monday to Friday, 8:30am - 5:00pm. Address ServiceOntario M-1B114, Macdonald Block 900 Bay Street Toronto ON M7A 1N3 If you are mailing health card forms, see ServiceOntario for the address of your local office. Accessibility We are committed to providing accessible customer service opens link in a new window . On request, we can arrange for accessible formats and communications supports. Send us an email Message(required) please don’t include any personal or financial information Would you like a reply? (required) Would you like a reply? (required) Yes No see the service standards opens link in a new window for how long it will take to get a reply Email you will receive a confirmation email Optional information Name Phone number Address we will contact you by letter if we need personal or financial information Your privacy matters Your personal information is being collected in order to respond to your inquiry. Your inquiry/personal information will be forwarded to the appropriate ministry(s) for response and will be used to respond to your inquiry. Some of the non-identifying information shared will be used by Cabinet Office and/or ServiceOntario to measure performance and improve our services. Your information will not be placed on mailing lists or released to any third party, except as may be authorized by law. For questions on how personal information collected on this page will be used, please see our privacy statement opens link in a new window .