Hi Miriam,
93 Pitt Street is in the very heart of the Jewish immigrant
district of the Lower East Side, so I think it's a very good
bet to be the actual address.
Have you looked at the 1905 and 1910 census records for 93 Pitt St?
Regards,
Deborah Barr
Researching ELSTER Chelm, HOLTZMAN, ABRAMCZYK/ABRAMSON, Pultusk, Wyszkow