Located in a prime Upper East Side location, this spacious professional unit at 440 East 79th Street, 1D offers an exceptional opportunity in a well-run, full-service cooperative. Currently configured as a dental office, the space features two exam rooms, a comfortable reception area, and a private office, all laid out efficiently for medical or professional use. The unit benefits from two separate entrances-one directly from the street and another through the building lobby-providing flexibility, convenience, and discretion. The cooperative is impeccably maintained with full-service amenities, and the apartment offers excellent potential for future use. With board approval, there is a possibility to convert the space into a one-bedroom residence, making this a versatile opportunity for end users or investors seeking flexibility in one of Manhattan's most desirable neighborhoods.