Contact Us

For general inquiries:

Email St. Christopher’s at or call (914) 693-3030 to access our dial-by-name staff directory. During the pandemic, our receptionist is available weekdays from 9:00 a.m – 1:00 p.m. to help direct any questions that you may have to the correct team member.

To learn more about program eligibility, referrals, and residential services in Dobbs Ferry, Valhalla, and New Windsor: 

CONTACT: Vivian Ossowski, Director of Admissions, at or (914) 693-3030 (ext. 2283).

To learn more about our Care Management Agency (Youth Health Homes): 

CONTACT: Maria Riccobono at 914-693-3030 (ext. 2206), 914-705-2745, or; or call Marino Castro at (914) 693-3030 (ext. 2387).

To learn how you can help advance our work by donating or volunteering, or for press inquiries: 

CONTACT: Dennis da Costa, Director of Institutional Advancement & Communications, at, (914) 357-6182, or (914) 693-3030 ext. 2243.