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Meet The Team

We are a highly competent team of dentists and staff, who work together to achieve unsurpassed excellence in proving personalized attention to every detail of your experience in our office.

Our dentists handle both preventative and extremely complicated cases involving multiple disciplines of cosmetic, restorative, and implant dentistry.

In our office, you will experience an atmosphere of efficiency, warmth, and understated elegance. We believe our approach will help you obtain the highest level of oral health and wellness.


Dr. Thomas Behm is a graduate of Muhlenberg College and New York University Dental School. Dr. Behm completed his post graduate residency at the Brookdale Hospital Medical Center in New York. In addition, Dr. Behm actively attends advanced continuing education courses to stay up to date with the most recent advances in dentistry.

In addition to providing basic dental services, Dr. Behm focuses on cosmetic dentistry, especially smile enhancements or complete smile makeovers utilizing porcelain veneers. With an artistic approach and a scientifically proven technique, Dr. Behm is able to make porcelain veneers look completely natural and undetectable.

Dr. Behm provides highly specialized state-of-the-art dental care. He offers a comprehensive array of services including general, cosmetic, and restorative dental procedures. His passion is to change people's lives through dentistry, as he has through the numerous cosmetic makeovers he performs. Dr. Behm believes that a healthy mouth is the gateway to a healthy body.

Dr. Behm is a believer that all patients are entitled to receive quality dental care. With a team of like minded professionals, Dr. Behm started NYC Dental. The goal of NYC Dental is to provide quality and affordable basic dental care in a clean and modern setting to all patients. NYC Dental has grown into 11 multi-specialty dental offices with locations throughout New York including Westchester.

Dr. Behm speaks five languages. He treats patients from New York City and around the world. Dr. Behm treats many famous actors, artists, fashion models, musicians, and professional athletes.

To learn more about Dr. Thomas Behm and his practice you can visit


Dr. Alina Lukashevsky practices dentistry as an art that requires both technical excellence and a strong passion for patients' overall wellbeing. She is a graduate of New York University College of Dentistry. Dr. Lukashevsky completed her General Practice Residency at Jamaica Hospital. In addition to practicing cosmetic and restorative dentistry, she is a General Dentistry Clinical Instructor at the Mount Sinai Dental Residency Program. She is member of the SPEAR study group based in Arizona, which is a group of highly educated dentists that learn how to treat the most complex cases in dentistry. Dr. Alina has contributed her writing, “The Art of Genuine Smiles” for the Huffington Post. Recently, she joined the Glo Good Foundation and Lenny Kravitz’s Let Love Rule Foundation on an outreach trip, delivering dental care to those that do not have access. She volunteers for The Blue Card, which is a charity that offers free dental care to Holocaust survivors. Dr. Lukashevsky is optimistic, energetic, and loves to travel.


Nancy Jiyoung Ahn, DMD, began her undergraduate education at the State University of New York at Stony Brook. In 2011, she received her Bachelor of Science in Biology, which ignited her passion for dentistry and oral health.
Dr. Ahn attended Rutgers School of Dental Medicine in Newark, New Jersey. She spent the next four years working under the guidance of renowned professors and specialists, earning her Doctor of Dental Medicine in 2016.
Dr. Ahn completed her General Practice Residency at Jacobi Medical Center in the Bronx. She was exposed to complex cases that enhanced her skill sets to provide comprehensive oral care. She helps patients of all ages and backgrounds, to maintain good oral health and to create beautiful, confident smiles.


Dr. Helen Rozenfeld grew up in New York City. She attended the SUNY Stony Brook School of Dental Medicine where she graduated with High Honors and was inducted into Omicron Kappa Upsilon, the prestigious National Dental Honor Society. She then went on to receive her three-year specialty training in Periodontics at SUNY Stony Brook. While at Stony Brook she served as the resident ambassador for the American Academy of Periodontology Foundation. Dr. Rozenfeld is a Diplomate of the American Board of Periodontology and has been the recipient of numerous awards.
In 2010 she was a participant in a dental outreach trip to Chile. This mission provided dental care to children in the remote and underserved town of Currarehue, Chile. Dr. Rozenfeld is also an active member of the Leadership Council of the Happy Hearts Fund, a non-profit organization that rebuilds schools in areas affected by natural disasters all over the world. Dr. Rozenfeld holds a Bachelor of Arts degree in Spanish Language and Literature. She is fluent in both Spanish and Russian.


Dr. Sara Kim earned her bachelors degree at Columbia University and her doctorate degree at the University of Pennsylvania School of Dental Medicine. Upon graduation, she returned to New York City where she completed an endodontic residency and received her Certificate of Endodontics at Columbia University College of Dental Medicine. Dr. Kim has published her research in the Journal of Endodontics and has presented at national meetings. She is a member of the American Association of Endodontists and American Dental Association. She is originally from Edison, New Jersey, and when she is not doing root canals, she likes to spend her time with her family.


Dr. Scott Rothenberg was born and raised  in Maryland and received his Bachelor of Science degree with distinction from the University of Michigan in Ann Arbor. Dr. Rothenberg received his Doctorate in Dental Surgery from the University of Maryland, Baltimore, graduating in the top ten percent of his class.
Dr. Rothenberg completed his 6 year residency program in Oral and Maxillofacial Surgery at The New York University Medical Center and Bellevue Hospital. He earned his medical degree from New York University School of Medicine in 2008. Dr. Rothenberg is a board certified Oral and Maxillofacial Surgeon. He performs the full scope of oral and maxillofacial surgery with a special interest in dental implants. He is an active member of many professional organizations. When not in the office, Dr. Rothenberg enjoys traveling, skiing and fitness. He also has an interest in contemporary interior design, photography and marine biology. He is also the proud owner of an American Bully named Krome.

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