Dr John Koutsoyiannis | Soho Dentist ManhattanJohn Koutsoyiannis, D.D.S., a leader in dentistry and oral care, opened his private practice Sohosmile, in January 2008. Dr. Koutsoyiannis implements the most current and innovative dental techniques. Our Lower Manhattan dentist is known for his attention to detail, professionalism and quality results. His patients include many celebrities and other notables that travel from around the world to see him due to the individualized care he gives each one of his patients.

Extensive Experience in Aesthetic/Cosmetic and Restorative Dentistry

A New York University College of Dentistry graduate, Dr. Koutsoyiannis has extensive training and experience in aesthetic/cosmetic and restorative dentistry, as well as providing a complete preventive program. Patients may choose from a wide variety of services, from dental exams, cleanings, fillings and other general oral health procedures to implants, veneers, LED whitening and Invisalign.

Custom-made, Hand-crafted Veneers

He is one of a few elite dentists in Downtown NYC to provide custom-made, hand-crafted porcelain veneers. Working personally with the dental lab’s master craftsman, Dr. Koutsoyiannis creates personalized, sliver-thin veneers that appear completely natural and maximize each individual’s beauty. His drive for dental perfection is one of the things that keeps his clients, who include award-winning actors, international CEOs and world-renowned models, smiling.

Cutting-edge Dentistry in Soho

best cosmetic dentist nycAfter graduating in 2000, Dr. Koutsoyiannis completed his residency at Jamaica Hospital where he was also honored with the position of Chief Resident.  He completed the Masters Level of Aesthetic Advantage at NYU – Rosenthal Institute for aesthetic porcelain veneers and continues his studies with courses and lectures in the many cutting-edge options available in dentistry today.

An Elite NYC Dentist

Dr. John is a member of many professional organizations, including the American Academy of Cosmetic Dentistry, and has been named one of America’s Top Dentists every year since 2009 by the Consumer’s Research Council of America. In 2013, Dr. John was honored by Incisal Edge magazine as one of America’s Top 40 Dentists. His dental practice, Sohosmile, has won the Spectrum Award for Customer Satisfaction by City Beat News for over 5 years in a row and has been named the Best of Manhattan for Aesthetic Dentistry.

Dr. John was also featured in the book Mastering Beauty (published in 2018) as one of the selected top cosmetic surgeons and doctors in the country.

Downtown NYC Dentist | Dr John Koutsoyiannis

Educational Profile

Adelphi University, N.Y. 1996 B.S.
NYU College of Dentistry, N.Y. 2000 D.D.S.
Jamaica Hospital Residency 2000 – 2001
Jamaica Hospital Chief Resident 2001 – 2002
NYU TMD Honors Program 1999 – 2000


Professional Organizations

American Academy of Cosmetic Dentistry
Academy of Osseointegration
Hellenic Dental Society