The Heart Center - Poughkeepsie. Heart & Vascular Institute. 115 Delafield St. Poughkeepsie, NY 12601. (845) 790-2020 TTY (800) 421-1220. driving directions. Overview. The Heart Center, a division of Hudson Valley Cardiovascular Practice, P.C. is part of Nuvance Health Medical Practices. We look forward to caring for you in our Poughkeepsie, New ....