Recently Fr. Peter Phan's theological position was addressed by the "Committee on Doctrine, United States Conference of Catholic Bishops." The relevant document can be downloaded here: www.usccb.org/dpp/statementonbeingreligiousinterreligiously.pdf
Who is Peter Phan? Here is an elaborate, perhaps unfriendly, presentation of the theologian at the Razinger Fan Club: http://www.ratzingerfanclub.com/blog/2007/09/fr-peter-c-phan.html.