(I'm re-posting this item, and removing the original below, because I'm now able to add a crucial piece of information.)
A reader in Italy spotted this posted at Wanted in Rome in the 'Classified: Personal' column, though it's no longer there. This is a long shot, but in case it might help:
Robert Moskowitz. Dentist, born in Brooklyn, New York, in 1922 in 446 Kinston Avenue, Jewish, worked during his military service at 34th Station Hospital in Rome in 1946 - 1947 with the rank of captain together with the lieutenant Joe Anzio. Please send any information to: Ida Apicella, Piazza Gondar 7, 00199 Roma. Tel. [++39] 328 / 8736572 - [++39] 347 / 3021423.