Robert Acosta MD 95 Grasslands Rd Westchester Medical Ctr Mahopac, New York, Phone: 914-493-7000 Company: N/A Doctor Category: Emergency Medicine Profile Let this business know you found them on Hudson Valley's Online Directories. Locations Mahopac 95 Grasslands Rd Westchester Medical Ctr Mahopac, New York 10595-1646 Claim/Edit Listing