John Dervan

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88.61  Rating Score
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Of 75 ratings posted on 4 verified review sites, John Dervan has an average rating of 4.56 stars. This earns a Rating Score™ of 88.61.

Heart Associates of Long Island (HALI) is a practice of Stony Brook Community Medical, PC. At HALI, you are at the heart of everything we do. We are specialists in cardiac catheterization and offer a full-service approach to your cardiac care. This includes special programs within our practice like our Heart Function Center, to help better understand and manage your various cardiac health needs.
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