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GSO is proud to announce we have a 100% passage rate on the American Board of Orthodontics written examination and is the only School that requires all residents to take this comprehensive exam.

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We can’t wait to see you! To request an appointment, please fill out the following form or for assistance call 770-351-7737.




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    Two convenient locations to serve you!

    Atlanta Office

    Northridge Plaza
    8200 Roberts Drive, Suite 100
    Atlanta, GA 30350

    Phone: 770-351-7737
    Fax: 770-538-1531
    Email: clinic@gaorthodontics.org

    Map This Location
    Clinic Hours:

    Monday and Tuesday - 12 PM to 8 PM
    Wednesday and Thursday - 7AM to 4 PM
    Saturdays – 8 AM to 2 PM (Two days a month)

    Administrative Hours:

    Monday through Friday – 7 AM to 5 PM

    Gwinnett Office

    Gwinnett Commerce Center
    3700 Crestwood Pkwy NW, Suite 180
    Duluth, GA 30096

    Phone: 770-351-7737
    Fax: 770-538-1531
    Email: clinic@gaorthodontics.org

    Map This Location
    Clinic Hours:

    Monday - 12 PM to 5 PM
    Tuesday - 12 PM to 8 PM
    Thursday - 7 AM to 4 PM

    What Patients Are Smiling About!

    Excellent4.4★★★★☆Mali CampbellMali Campbell ★★★★★ mikyia Jonesss (kyia)mikyia Jonesss (kyia) ★★★★★ Mohamad Alassal was so gentle with me my first treatment and explained everything so well! Thank you 💕Ricardo LiraRicardo Lira ★★★★★ Thank you for your service. It is a place for a new smile!Allison ContereasAllison Contereas ★★★★★ I had a great experience with Dr. Mohammad Alkassab. He is an amazing orthodontist who truly cares about his patients and always takes the time to make sure you feel comfortable and understand your treatment. You can tell he really wants the best results for everyone.The whole office is very welcoming and helpful. Everyone at the school/clinic is so kind, patient, and supportive, which makes every visit a positive experience. They always answer questions and make sure you feel at ease.Another great thing is that braces are very affordable here, which makes it easier for many people to get the smile they want. I highly recommend Dr. Alkassab to anyone looking for quality orthodontic care!Benjamin ShifrinBenjamin Shifrin ★★★★★ Friendly team! Inez is really nice!js_loader

    Extended Hours

    Clinical Hours

    Monday: 10 am - 7 pm
    Tuesday: 10 am - 7 pm
    Wednesday: 7 am - 4 pm
    Thursday: 7 am - 4 pm
    Friday: 7 am - 4 pm

    Business Hours

    Monday: 7 am - 7 pm
    Tuesday: 7 am - 7 pm
    Wednesday: 7 am - 6 pm
    Thursday: 7 am - 6 pm
    Friday: 7 am - 6 pm

    We are honored to be the best of the best