Orthodontic Specialist, Dr Simister
Dr Simister's Family
Meet Dr. Chenin

Orthodontic Certification:
University of Pacific (UOP)
University of Pacific (UOP)
Dr. David Chenin attended the University of the Pacific’s Arthur A. Dugoni School of Dentistry where he earned his Doctorate of Dental Surgery degree. After graduation Dr. David Chenin successfully achieved his Nevada, California, and WREB dental licensure. Then, he pursued his Certificate in Orthodontics and Master’s of Science at University of the Pacific’s Orthodontic Residency Program where he is currently an adjunct faculty member. Dr. David is also a peer review representative for “Orthodontics: The Art and Practice of Dentofacial Enhancement” professional journal.

Dr. David Chenin also has extensive background and expertise in the Invisalign® System. Prior to his residency, he served as Align’s Senior Clinical Quality Manager. He published the first clinical article on Invisalign in the Journal of the American Dental Association in 2003 and recently co-authored the textbook titled The Invisalign System.

Dr. David Chenin is a philanthropist who volunteers his skills for underserved children and low income dental clinics in the U.S. and other countries. He recently traveled to San Salvador, El Salvador with a medical team to treat and rehabilitate patients with cleft lip/palates and other craniofacial anomalies and syndromes.

Come on in, or contact us to meet one of the best orthodontics in Las Vegas, Dr Chenin.


Orthodontic Assistant

Hello, my name is Jessica Rizzuti! I am a mother of five children and a grandmother of one. I have been working as an Orthodontic assistant for 6 years. I absolutely love my family and job. I was born and raised in Las Vegas Nv. I love to help my Doctors create beautiful smiles for the youth and adults in my community.


Treatment Coordinator

Hello, I am the treatment coordinator for our practice, and I am the first voice you hear on the phone when scheduling your initial consultation. I assist new patients during their first exam, and along with the doctor help answer any questions , or address any concerns that you may have regarding your treatment. I take great pride in giving our patients a pleasant first experience at our office. Our whole team strives to make each visit a positive and comfortable one for our patients. I look forward to meeting you soon!

I have three beautiful children whom are the apple of my eye. Bryanna, Christian, and my little one Emma Sophia who keeps me on my toes every day of the week! (and even on weekends)


Insurance Coordinator

As the Insurance Coordinator, I send claims on our patients’ behalf, to their insurance companies to collect any available benefits. I follow up with the insurances’ to ensure they are paying on each case as treatment progresses. I have worked for Dr Simister since 2007. I was born and raised in Las Vegas, and I have three little boys.


Orthodontic Assistant

Hello, my name is Valeria I work Front Desk. I truly enjoy what I do, especially interacting with our patients and being surrounded by great smiles all day. Outside the practice I enjoy spending time with Family and Friends.


Orthodontic Assistant

Hello my name is Jenniphre. I have been in Orthodontics for 5 years. I love laughing and cracking jokes with our patients, because I strive for a great and fun experience. I consider myself not just an Orthodontic assistant but a “Smile Designer” because my passion is creating a perfect smile. I am usually the goofy and funny one in this amazing office.