To replace a health card in Ontario, Canada, visit a ServiceOntario center. Bring three original documents that can prove your identity, your citizenship or immigration status, and your residency in the province.
To replace a lost or damaged green-colored photo health card, contact ServiceOntario by telephone if your personal information, including your name and address, has not changed. As of December 2015, the telephone number of ServiceOntario is 800-664-8988. To replace a health card after a name change, provide a change of name certificate or a marriage certificate. To replace an invalid or expired health card, you need to provide additional documents to prove your residency.