Tracy Orthodontic Office Livermore Office Location | Tracy Office Location | Pleasanton Office Location | Schedule an Appointment | Refer a Friend | Refer a Patient | Post-Appointment Survey | Dental Practice Referral Form Primary Doctor: Thomas J. Marcel, DDS Marcel Orthodontics Address: 2160 West Grant Line Road Suite #150 Tracy, CA 95377 Phone: (209) 833-7799 Fax: (209) 833-0472 Email: Office Hours: Monday: 8:00am to 5:00pm Tuesday: 8:00am to 5:00pm Wednesday: 8:00am to 5:00pm Thursday: 8:00am to 5:00pm Friday: 8:00am to 4:30pm Platinum Plus Invisalign® Provider