If you’ve reached the magic age of Medicare, which is 65, you shouldn’t have any problems with doctors and health care facilities accepting your health insurance wherever you are in the U.S.
Six months south and six months north could be a great life style in retirement but one place will need to be your legal domicile, your legal residence.
If you have snowbird envy and think you might like the RV life style do some homework before you make a down payment on an RV.
Winter is coming. The real snowbirds, the Juncos, are down from Canada and are at the bird feeders.