Jeffrey Alexander Barrett MD 23 Old Mamaroneck Rd Ste Studio1 Mount Vernon, New York, 10605 Phone: 914-953-2429 Doctor Category: Family Medicine Profile Let this business know you found them on Westchester Magazine's Online Directories. Locations Mount Vernon 23 Old Mamaroneck Rd Ste Studio1 Mount Vernon, New York 10605 Claim/Edit Listing