[2] On 8 May 1690, he was appointed during the papacy of Pope Alexander VIII as Bishop of Nona (Latin: episcopus Nonensis).
The local Serbian Orthodox priest forbade Parchich to carry out a requiem, of which he informed the Congregation of Propaganda on 8 July 1692.
[4] In his April 1693 report, Parchich registered 5,486 Roman Catholics and 7,363 Orthodox people in the territory of the bishopric of Nin.
[3] Parchich actively worked on the Uniatisation of Orthodox Serbs, and is known to have converted villages, such as that of Poličnik, "from Schismatic mistakes".
[2] He was styled "Eminentiarum Vestrarum Humillimus Addictissimus, et Obseqentissimus Servus Georgius Parchich, Episcopus Nonensis".