Health Services
Basic Sciences Building
New York Medical College
40 Sunshine Cottage Road
Valhalla, NY 10595
Phone Number: (914) 594-4234
Office Fax: (914) 594-4692
Email: health_services@nymc.edu
Clinic Office Hours:
Monday – Friday* 8:30 a.m. – 4:30 p.m.
*From October 1 through March 31, Clinic closes at 3:00 p.m. on Fridays
The nurse practitioner is unavailable between 1:30 – 2:30 p.m. daily
Marisa A. Montecalvo, M.D., director of health services and professor of medicine
(914) 594-4236
Katherine Kowalski, ANP, nurse practitioner
(914) 594-4237
Rochelle G. Saks, M.P.A., administrator
(914) 594-4235