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Diana John DDS is a trusted dental practice located in Stony Brook, NY and proudly serves patients in the 11790 zipcode area and nearby towns. Conveniently situated at 2500 Nesconset Hwy # 11C, Stony Brook, NY 11790, USA, this dental office is dedicated to delivering high-quality, compassionate oral healthcare for patients of all ages. Common treatments at this location may include routine cleanings, check-ups, fillings, and preventive dental care. Patients can call (631) 751-8004 to book an appointment or inquire about services. Office hours may vary, so it's recommended to call ahead or check online for current availability.