Khanh H. Nguyen, MD Top CardiologistTop Doctor 100 Woods Road Valhalla, New York, 10595 Phone: 914-493-8793 Doctor Category: Cardiothoracic Surgery and General Surgery Profile Let this business know you found them on Westchester Magazine's Online Directories. Locations Valhalla 100 Woods Road Valhalla, New York 10595 Claim/Edit Listing