Get to know the practice

Amazing Smiles Orthodontics / Dr. Jeff Mastroianni

Office in O'Fallon, plus other locations in IL.

Latest recorded source check: September 27, 2026.

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Website: amazingsmiles.com

Call (618) 622-3377 Visit website

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Locations

O'Fallon office

O'Fallon, 4905 Stone Falls Center Dr, Ste A

4905 Stone Falls Center Dr, Ste A
O'Fallon, IL 62269

Office phone (618) 622-3377

Other offices

Glen Carbon, 2220 S State Route 157, Ste 125

2220 S State Route 157, Ste 125
Glen Carbon, IL 62034

Office phone (618) 288-0600

Providers

Jeff Mastroianni DMD

Listing sources

These source checks cover the facts noted below. Provider names do not establish specialist credentials, current availability, or treatment suitability.

amazingsmiles.com : practice name, website. Checked September 27, 2026.

How listing sources and updates work