Sumathi Kasinathan MD 107 W 4th St Mount Vernon Neighborhood Health Ctr Chappaqua, New York, 10550 Phone: 91512 Company Name: Greenburgh Health Center Doctor Category: Pediatric Adolescent Medicine Profile Let this business know you found them on Westchester Magazine's Online Directories. Locations Chappaqua 107 W 4th St Mount Vernon Neighborhood Health Ctr Chappaqua, New York 10550 Claim/Edit Listing