On May 14, 1902, Pitaval was appointed
auxiliary bishop of the
Archdiocese of Santa Fe and
titular bishop of
Sora by
Pope Leo XIII. At the beginning of Pitaval's tenure in 1909, the archdiocese contained 127,000 Catholics, 65 priests, 45 parishes, 340 missions, 12 parochial schools, and three hospitals. Following his retirement nine years later, there were over 140,000 Catholics, 80 priests, 46 parishes, 356 missions, 26 parochial schools, and five hospitals. Among the institutions he founded were St. Anthony's Orphanage at
Albuquerque and St. Mary's Hospital at
Gallup. He also erected a bronze statue of
Jean-Baptiste Lamy, Santa Fe's first archbishop, outside the
Cathedral of St. Francis of Assisi. ==Later life and death==