Contact Us To email the staff at St. Catherine of Siena, please fill out the form below and click 'Send'. The Category will select who will receive your email message. Email: Name: Subject: Category: Pastor, Rev. Rymdeika Website Administrator Message: Security Code Enter the code shown above in the box below Send Address 321 Witmer Road Horsham, PA 19044 (215) 672-2881 - Parish Office (215) 674-7221 - Convent (215) 674-1904 - School