On 16 November 1620, Tommaso Ximenes was appointed during the papacy of
Pope Paul V as
Bishop of Fiesole. On 22 November 1620, he was consecrated bishop by
Giovanni Garzia Mellini,
Cardinal-Priest of
Santi Quattro Coronati, with
Attilio Amalteo,
Titular Archbishop of
Athenae, and
Paolo De Curtis,
Bishop Emeritus of Isernia, serving as co-consecrators. He served as Bishop of Fiesole until his death on 3 November 1633. ==Episcopal succession==