Is it fair to assume that access to doctors is even worse for immigrants than it is for citizens? Assuming that citizens are the country's top priority, like th

Is it fair to assume that access to doctors is even worse for immigrants than it is for citizens? Assuming that citizens are the country's top priority, like they usually are in most countries. (I know some Canadian immigrants on the path to citizenship who are planning to have their first baby but have not been able to see a doctor for a year plus. Just curious if they're situation is worse than citizens, the same, or better.)