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Dentists in O Fallon, MO – Page 3

We found 107 registered dental providers whose practice address is in O Fallon, Missouri. General dentists make up 88 of the listings; specialists include 15 in orthodontics, 2 in periodontics and 2 in endodontics. Most listed offices are in ZIP codes 63368, 63366 and 63304. Entries are unclaimed until a practice verifies them, so please call or request a time to confirm insurance, hours and services.

New dentists in O Fallon

“New” = NPI first issued in 2025 or 2026 according to the CMS NPI registry (our data stores the year only). A new NPI can also mean a dentist who recently moved or opened a new practice entity.

County: St. Charles County (420 listings)

All (107)General Dentistry (88)Orthodontics (15)Periodontics (2)Endodontics (2)

107 listings · page 3 of 4

Source: NPPES NPI registry (CMS). A listing is not an endorsement. All Missouri cities

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