Do I need to schedule an appointment for service from the Italian Consulate in Miami?

Good morning Ms. Carreno, Yes, you can book an appointment for consular services on our website: https://consmiami.esteri.it/consolato_miami/en/in_linea_con_utente/prenota_appuntamento/

Yes you need make an appointment thru their website

Yes ,You need to enter their website and make an appointment so that they can assist you.