Dentists in O Fallon, IL
Browse 11 Dentist providers listed in NPPES with a practice address in O Fallon, Illinois.
How O Fallon compares with the U.S.
O Fallon has 34 Dentists per 100,000 residents, 22% higher than the U.S. rate of 28.
That is 11 active Dentists with a practice address in O Fallon, for a population of 32,262.
That is close to the Illinois rate of 36.
What these numbers mean
Clinicians per 100,000 residents compares places of different sizes. We count active clinicians who list a practice address in the area in the federal NPI registry (NPPES) and divide by the number of people who live there, according to the U.S. Census Bureau. The U.S. rate is the same calculation for the whole country.
A higher number does not mean it is easier to get an appointment, that wait times are shorter, or that care is better. It also does not show how many clinicians are accepting new patients or which insurance plans they take. A lower number does not by itself mean there is a shortage.
City counts use the city name in each clinician's practice address. That postal city can cover a larger or smaller area than the city limits the Census Bureau uses for population, and many clinicians list only one address even if they work in several places.
None of the Dentists in O Fallon are listed in the CMS Medicare file.
These figures summarize public federal data. They do not measure quality of care, appointment availability, or whether a clinician accepts your insurance or new patients. Registry addresses can be out of date. Please confirm details directly with the office and your plan. This information is not medical advice.
Prepared by T-MedInfo from NPPES, CMS and U.S. Census Bureau data. Questions or corrections: support@true-medinfo.com · Methodology
Sources: Clinician counts and practice addresses: NPPES NPI Registry, Centers for Medicare & Medicaid Services (CMS), data as of August 2026. Population: U.S. Census Bureau, American Community Survey 2020-2024 5-Year Estimates, Table B01003 (Total Population).
Dr. Brittany Gilbreth , DMD
Dentist
Dr. John Mark Leib , DMD
Dentist
Dr. Amanda Littlefield , DMD
Dentist
Dr. Alex Joseph Schillinger , DMD
Dentist
Dr. Brian Paul Sneath , DMD
Dentist
Dr. Sarah Mojisola Thompson , DMD
Dentist
Dr. Roxanne Winebaugh , DMD
Dentist
Dr. Gregory Biddulph , DMD
Dentist
Dr. Gladsy Ann George , DMD
Dentist
Dr. Caroline Roti , DMD
Dentist
Dr. Dale Allen Schutte , DDS
Dentist
Frequently Asked Questions about Dentist in O Fallon
Each practitioner profile shows the NUCC taxonomy code and any state license number the practitioner reported to NPPES, plus a link to the Illinois licensing board lookup. NPPES entries are self-reported; current license status is published only by the state board.
This list shows NPI records that are active in NPPES. A deactivated NPI keeps its profile with the deactivation date and practice history; find it with the site search by name or NPI number.
Other Specialties in O Fallon
Dentists in Other Illinois Cities
Cities with the most listed practitioners first.