Meet Our Doctors
Dr. Jeff Mastroianni
Jeff believes in always giving 100% both in the office and in his personal life. Whether that’s coaching his daughter’s soccer team, or motivating and inspiring his orthodontic team on a Monday morning, Jeff is fully committed to anything he takes on. You will often find him straightening teeth at the office or out as a leader in his community - both jobs are always done with a drive and passion to help others be their best.
Dr. Jeff feels privileged and blessed every single day to be a member of this great profession! Beautiful smiles build confidence in so many ways and he feels strongly about the lasting value of orthodontic treatment.
Dr. Julie McCray
Dr. McCray grew up in Iowa and has wanted to be an orthodontist since she was a patient of the University of Iowa orthodontics department as a middle schooler.
She attended the University Of Iowa as an undergrad with a major in Biomedical Engineering while working as a research assistant in the orthodontic department.
Dr. Kimberly Baptist
Dr. Kimberly Baptist takes pride in the quality of care she delivers to patients, and you will be impressed with her excellent chairside manner and the comfort you feel during treatment.
Dr. Baptist grew up in Mt. Prospect, IL, and graduated from the University of Illinois with a BS in Science. She then went on to attend the SIU School of Dental Medicine, and finally to St. Louis University for her orthodontic residency.
Dr. Julie Ruppel
We are excited to announce Dr. Julie Ruppel joined our practice, and she will be working at our University City and Collinsville locations. The entire Amazing Smiles team is thrilled to have her on board!
Being an orthodontist is Dr. Ruppel's passion! She genuinely cares about her patients, and wants to be accessible to them during their orthodontic journey. She takes pride in providing excellent care in a warm and friendly environment. She uses the latest technologies to make your orthodontic experience as efficient, effective, and painless as possible.
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We look forward to helping you keep your smile amazing!