Williamson Dental, Columbia dentist
Williamson Dental is a specialist (endodontist, pediatric dentist and periodontist) practice in Columbia, open Monday to Friday, with a 5.0★ rating from 630 Google reviews.
Columbia, ILUpdated 0 paid placements in any rankingHow we rank
Key facts
| Address | 240 Admiral Trost Dr, Columbia, IL 62236Get directions |
|---|---|
| Phone | (618) 400-0550 |
| Website | williamsonsmiles.com |
Opening hours
| Day | Hours |
|---|---|
| Monday | 8 AM – 5 PM |
| Tuesday | 8 AM – 5 PM |
| Wednesday | 8 AM – 4 PM |
| Thursday | 8 AM – 5 PM |
| Friday | 8 AM – 5 PM |
| Saturday | Closed |
| Sunday | Closed |
- Open evenings — no
- Open Saturdays — no
- Open Sundays — no
Services
Each offered service links to the ranked list for Columbia.
| Service | Offered | Specialist |
|---|---|---|
| Root Canal | Yes | Endodontist on staff |
| General Dentistry | Not listed | |
| Teeth Cleaning | Not listed | |
| Emergency Care | Not listed | |
| Tooth Extraction | Not listed | |
| Wisdom Teeth Removal | Not listed | |
| Dental Implants | Not listed | |
| Invisalign | Not listed | |
| Braces | Not listed | |
| Dental Crowns | Not listed | |
| Dentures | Not listed | |
| Veneers | Not listed | |
| Teeth Whitening | Not listed | |
| Dental Bonding | Not listed | |
| Cosmetic Fillings | Not listed | |
| Cosmetic Dentistry | Not listed | |
| Full Restoration | Not listed |
Google reviews
5.0★from 630 Google reviews
About 336 of them posted in the last 12 months (estimated from the newest reviews).
Compare nearby Columbia dentists
| Clinic | Rank | DR Score | Google rating | Evenings | Saturday | Sunday | Distance |
|---|---|---|---|---|---|---|---|
| Williamson Dental (this clinic) | #1 | 67 | 5.0★ (630) | No | No | No | |
| Southern Illinois Pediatric Dentistry | #2 | 63 | 4.9★ (400) | No | No | No | 0.4 mi |
| Workman Family Dental: Steven Workman, DMD | #4 | 60 | 5.0★ (168) | No | No | No | 0.5 mi |
| Columbia Dental Center | #8 | 37 | Not collected | No | No | No | 0.8 mi |
Questions about Williamson Dental
What are Williamson Dental's hours?
Williamson Dental is open Monday to Friday. It is closed on Saturdays, and closed on Sundays. Weekday hours start at 8 AM on Monday. These hours come from the clinic's business listing as of October 2026; holiday hours may differ.
Where is Williamson Dental?
Williamson Dental is at 240 Admiral Trost Dr, Columbia, IL 62236. Use the directions link on this page to plan your route. Ask the clinic about parking and building access before your first visit.
What services does Williamson Dental offer?
Williamson Dental lists 1 of the 17 services DentistsRanked tracks, including root canal. The full list, with links to ranked lists for each service in Columbia, is in the services table on this page.
How is Williamson Dental ranked?
Williamson Dental is ranked #1 of 8 dentists in Columbia by DR Score, with 67 out of 100. The score combines reputation, review volume, recency, access, services and profile completeness. No clinic can pay to change its rank.
Data last refreshed October 21, 2026
Is this your practice? Update your profile.
Owners can correct hours, services and dentists. The score is recalculated from the corrected data; payment never changes it.