Anthony Falco's attorney entered the pleas in San Mateo County court on Tuesday on behalf of the 73-year-old defendant, who was once convicted of molesting an Aptos teen during a church trip. Falco is in jail with bail set at $1.6 million.
A preliminary hearing is scheduled for April 30.
Falco, who was known as Brother Tom by the victim and his family, was arrest in February and charged with 19 counts of child molestation. Nearly a decade ago, Falco was convicted of molesting two teen boys while posing as a monk.
Falco was released from prison in 2003.