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John Costable, MD Owner verified
1155 Northern Blvd Manhasset, NY, 11030Last time updated: 11/16/25, 11:42 PM
About
John Costable, MD is a Gastroenterology provider with Mount Sinai Health System, treating patients in the Manhasset area. Dr. Costable is committed to compassionate, coordinated care that supports patients throughout the diverse communities we serve.
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