Gladys Maria Ayala MD 40 Sunshine Cottage Rd Valhalla, New York, Phone: 914-594-4600 Company Name: New York Medical College Doctor Category: Internal Medicine Profile Let this business know you found them on Westchester Magazine's Online Directories. Locations Valhalla 40 Sunshine Cottage Rd Valhalla, New York 10595-1524 Claim/Edit Listing