Welcome to our orthodontic office!

We are conveniently located in Tiburon and Novato, California in beautiful Marin County. Drs. Gast and Nielsen are proud to offer outstanding orthodontic care for the entire family in a clean, relaxing atmosphere with WiFi availability for our guests. Our team of skilled professionals is dedicated to providing each of our patients with the compassionate, individualized care they deserve. We feature a comprehensive set of orthodontic options, from traditional systems to revolutionary new technology, to ensure that we have an orthodontic solution that will be perfect for you, regardless of your age or orthodontic needs. Using our precise mix of cutting-edge technology and time-proven methods, we will work to give you a smile you can be proud of!   Se Hable Espanol.

Schedule your appointment with us today.

Our Partners





Tiburon/Belvedere Office Location


Tiburon/Belvedere Office LocationLearn More

Novato Office Location


Novato Office LocationLearn More