<p>^^In Canada, they do. When DH ended up in a Canadian ER, he was asked for “his card”. The nurse saw his WA state driver’s license in his open wallet and pointed to his MasterCard, “Oh, I see, you are not Canadian. In that case, this card would work, too!” 
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<p>It is free to the residents. Otherwise, hordes of foreigners will flood the hospitals there.</p>
<p>Back to the topic.</p>