Ceresa

Dottore Ceresa was the Auditore family doctor.

History
Hired by the Auditore, Ceresa operated in a shop in Florence. In 1476, Federico Auditore da Firenze brought his little brother to Ceresa after a confrontation with the Pazzi. Ceresa quickly treated Ezio's wounds and shooed the brothers away.

Reference

 * Assassin's Creed II