Meet Our Doctors
Dr. Nataliya Knap
Dr. Nataliya Knap graduated from dental school in Ukraine and attended Western University of Health and Sciences Dental School, graduating in 2014. Following that, she completed a general practice residency at Woodhull Hospital in Brooklyn, NY where she also completed a two-year dental implant fellowship.
Dr. Knap enjoys all aspects of dentistry, including aesthetic and cosmetic dentistry, anterior and posterior restorations, veneers, crowns, and root canals. She is Invisalign certified and provides orthodontic treatment for patients that are interested in straightening their smile. Dr. Knap is comfortable with extractions, dentures, and root canal treatment. Dr. Knap is an active member of the ADA, NYSDA, and SDDS. She is also fluent in English, Ukranian, and Russian.
Dr. Benjamin Schoenberg
Dr. Benjamin Schoenberg is a graduate of Temple University in Pennsylvania. He graduated in 1990 and has been at this location for the past 15 years.
Dr. Andrew J Leder
Dr. Andrew J. Leder is a periodontist at Gramercy Dental Center. Dr. Leder takes a great amount of pride and satisfaction in helping his New York City patients to prevent disease and improve the state of their oral health. Dr. Leder has been highly trained to provide his patients with the most current, innovative surgical and non-surgical techniques that modern dentistry has to offer.
Dr. Leder completed his undergraduate studies at the State University of New York at Albany and was admitted into the Alpha Kappa Delta Honor Society in 1987. He then completed dental school at the State University of New York at Stony Brook School of Dental Medicine, where he graduated with his Doctorate of Dental Surgery. While at Stony Brook, Dr. Leder won the John Oppie McCall Award, which recognizes individuals demonstrating exemplary dedication and proficiency in periodontology. He then went on to complete his specialty training and received his Certificate in Periodontics from the University of Medicine and Dentistry of New Jersey State.
To stay current with the latest treatments and techniques in periodontology, Dr. Leder routinely participates in continuing education courses. His commitment to continuing education allows him to offer the most advanced and highest quality care with successful outcomes.
Dr. Leder maintains membership with several professional organizations, providing him with opportunities for continuing education, including the American Academy of Periodontology, American Dental Association, Northeast Society of Periodontists, Alpha Omega Dental Fraternity, and American Society of Osseointegration.