Hyun Chung MD 16 Guion Pl Sound Shore Medical Ctr Of Westchester Chappaqua, New York, Phone: 914-365-3264 Doctor Category: Emergency Medicine Profile Let this business know you found them on Westchester Magazine's Online Directories. Locations Chappaqua 16 Guion Pl Sound Shore Medical Ctr Of Westchester Chappaqua, New York 10801-5503 Claim/Edit Listing