Prakash J Kamalnath MD Nymc Behavioral Health Ctr N326 95 Grasslands Rd Valhalla, New York, Phone: 914-493-7124 Doctor Category: Neurology and Psychiatry Profile Let this business know you found them on Westchester Magazine's Online Directories. Locations Valhalla Nymc Behavioral Health Ctr N326 95 Grasslands Rd Valhalla, New York 10595-1646 Claim/Edit Listing