It was later renamed as the Apostolic Vicariate of Baguio in 1992, and was elevated to a diocese in 2004 as a suffragan of the Archdiocese of Nueva Segovia.

Rafael T. Cruz, the third Bishop of Baguio, succeeding Victor Barnuevo Bendico, who was appointed Archbishop of Capiz.

It was established as the Apostolic Prefecture of Mountain Province (Latin: Praefectura Apostolica Montana) on July 15, 1932.

On June 24, 2004, the vicariate was elevated into the Diocese of Baguio, losing its missionary pre-diocesan status and becoming a suffragan of its mother Archdiocese of Nueva Segovia.

[4] His installation took place on September 17, 2024, led by Archbishop Charles John Brown and Jose Cardinal Advincula of Manila at Baguio Cathedral.