[1][2] In Rome, on 26 July 1643, he was consecrated bishop by Alessandro Cesarini (iuniore),[1] Cardinal-Deacon of Sant'Eustachio.
[2] On 13 June 1644, he was appointed Bishop of Ortona a Mare e Campli by Pope Urban VIII.
[1][2] Pope Innocent X appointed him Apostolic Nuncio to Savoy (Turin), where he served until 1658.
[1][2] On 23 December 1670, he was named Prefect of the Cubiculi of His Holiness (Maestro di Camera) by Pope Clement X.
[1][2] On 24 February 1676, he was appointed Bishop of Recanati e Loreto by Pope Clement X, where he served until his resignation on 9 January 1682.