Marise Dione D’souza MD 40 Sunshine Cottage Rd Skyline Ste 1n C26 Valhalla, New York, Phone: 914-594-4600 Doctor Category: Pediatric Adolescent Medicine Profile Let this business know you found them on Westchester Magazine's Online Directories. Locations Valhalla 40 Sunshine Cottage Rd Skyline Ste 1n C26 Valhalla, New York 10595-1524 Claim/Edit Listing