3020 Westchester Ave, Suite 200
Purchase, NY 10577

Stuart Graber, DDS
Adult Restorative Dentist
Dr. Graber is a graduate of NYU College of Dentistry. He served as an Officer/Major in the US Army and as an instructor at NYU College of Dentistry. Dr. Graber studied at the Pankey Institute and the Institute for Advanced Dental Studies and has been providing excellent dental care in Westchester County for over 30 years.



Leonard Mark, DDS
Adult Restorative Dentist
Dr. Mark has 35 years of dental practice experience including 27 years of private practice. He is an Associate Clinical Professor at Albert Einstein College of Medicine and Senior Attending at Montefiore Medical Center Dental Dept. He is a fellow with the Academy of General Dentistry and former fellow of The American Association of Hospital Dentists. Outside of work, he loves fishing, tennis, the NY Giants and NY Rangers!



Erica Bly-Fish, DMD
Pediatric Dentist
Dr. Erica graduated Magna Cum Laude from St. Bonaventure University (1999) with a degree in Biochemistry. She received her Doctorate of Dental Medicine from Boston University (2003), where she continued 2 more years of specialty training in Pediatric Dentistry (2005). Dr. Erica has developed a family-oriented Pediatric Dental practice built on the love of children and her desire to establish lifelong relationships of trust and confidence. Dr. Erica is an active member with the American Academy of Pediatric Dentistry. Outside of work, Dr. Erica can be found with her husband, kids & puppy hiking, camping, crafting, or gardening.



Dina Iommazzo, DDS
Dr. Iommazzo earned her Certificate in Prosthodontics at the University at Buffalo, in conjunction with the Buffalo V.A. Hospital and the Roswell Park Cancer Institute. With extensive training in dental materials, esthetics, dental implants and full mouth rehabilitation, she can expertly create a treatment plan that will restore both beauty and function to your smile. She also completed a General Practice Residency at the Long Island College Hospital which included rotations in medicine, surgery and geriatric care. She earned both her D.D.S. and B.A. in Biology/Psychology at New York University and has been honored with several awards for excellence and service throughout her career. Dr. Iommazzo practiced for over 20 years in Mamaroneck, N.Y. dedicated to delivering treatment in an attentive and compassionate manner. She is a member of the American College of Prosthodontists, the ADA, the NYS and the Ninth District Dental Associations, as well as an advocate for the hearing impaired and those with special needs. When out of the office, she enjoys yoga, pilates, gardening and spending time with her husband and their three children.



Gabriela Ganoza-Duron, DDS
Pediatric Dentist
Dr. Gaby received her DDS dental degree in 2000 from Caytano Heredia Peruvian University (Lima-Peru), continued her postgraduate education in Rochester NY, completing 3 years of extended general dentistry training (AEGD, GPR) and 2 years of pediatric Dentistry (2006). Dr. Gaby is a Clinical Instructor at Columbia University Dental School and an active member with the American Academy of Pediatric Dentistry. She is fluent in Spanish with a basic knowledge of French. She resides in Westchester with her 3 children and husband and loves to travel.


Kyle Sever, DDS
General Dentist
Dr. Sever is a graduate of Stony Brook School of Dental Medicine and completed his General Practice Residency at Saint Barnabas Hospital where he was named Resident of the Year. Being a total “foodie,” Dr. Sever spends his spare time trying out recipes in the kitchen and searching for new culinary hot spots.



Tom Hong, DDS

General Dentist

Dr. Hong received a Bachelor of Science degree in Biology at Columbia University before going on to earn his DDS degree from the University of Buffalo-School of Dental Medicine. Ever a man of science, he enjoys attending public lectures at the Hayden Planetarium.



Richard Schechtman, DDS
Dr. Schechtman is a Board Certified Orthodontist with years of experience in helping people express their inner beauty through their confident smiles. He received his Undergraduate degree in Biopsychology from Queens College. After completing his Doctorate of Dental Surgery at Stonybrook Dental School, he continued on the received a certificate in Orthodontics from Columbia University. He is a published author and maintains membership in multiple professional organizations. Beyond the dental office, Dr. Schectman is a musician and proud father to two great girls and a yellow lab.



Meet Our Team

Our friendly dental team at OneDent of Westchester is experienced and highly trained in providing dental care to meet all of your needs. When you visit our welcoming practice, our team will offer you the excellent, gentle care you need and deserve to enjoy a healthy, beautiful smile. We invite you to call us at 914-750-4376 to learn more about our dental care in Purchase, New York, and to set up your appointment with one of our talented dentists. We look forward to meeting you soon!

Administrative Staff

Lisa, Jean, Dora, Sayra, Julie, Natacha, Jessie, Iliana


Dental Assistants

Edna, Jennifer, Debra, Johana, Tatiana, Lela, Alexis, Ariana, Not Pictured; Jeannie, Karin


Hygiene Staff

Millie, Vanessa, Brenda, Nicole G., Fabiana, Not Pictured; Michelle, Nicole C., Mildred


Experience a New Concept in Dentistry

Meet Dr. Graber

Meet Dr. Mark

Meet Dr. Bly-Fish

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