We always want to be available to talk with you and address your concerns. Please feel free to contact us during the following hours through our office phone number or our e-mail address. Hours will vary according to school and work holidays. We also offer late days, so please call for availability.
If you have a real orthodontic emergency after hours, call the office phone number. A recording will give you a phone number for one of our doctors.
Thank you for visiting Dr. Gast, Griffin, and Bongiovanni Orthodontics, where we love to see you smile!
Novato Office
190 San Marin Drive.
Novato, CA 94945
Map & Directions
Office Hours
Monday – Wednesday: 8:00a.m. – 5:00p.m.
Thursday: 7:30a.m - 4:30p.m.
Phone: 415-892-0736
Fax: 415-892-9286
E-mail: kathy@gastgriffinortho.com for insurance/billing questions and appointments
briana@gastgriffinortho.com for appointments
San Rafael Office
912 Grand Avenue
San Rafael, CA 94901
Map & Directions
Office Hours
Monday – Thursday: 7:30a.m. – 4:30p.m.
Friday: 7:30 a.m. – 3:30 p.m.
Phone: 415-453-0820
Fax: 415-453-2796
E-mail: lisg@gastgriffinortho.com for insurance and billing questions
rgriffin@gastgriffinortho.com for appointments
Tiburon Office
1550 Tiburon Blvd.
The Boardwalk
Tiburon, CA 94920
Map & Directions
Office Hours
Monday – Thursday: 7:30a.m. – 4:30 p.m.
Friday: 7:30a.m - 3:00p.m.
Phone: 415-435-0941
Fax: 415-435-1462
E-mail: tiburon-gastgriffin@hotmail.com