Sorry, Erin, my grandfather Charles Vincent
Dazzo was in the construction business, not the medical field. I don't know anything
about brothers or sisters he may have had.
I once saw an entry in the Oak Lawn, Il
(suburban Chicago) phone book for a Dazzo.
We heard he was in police work and my father
seems to think it was a distant cousin,
although they never met.
Who knows? Maybe Frank and my grandfather
were cousins...good luck with your search.