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Dentists Open Saturday & Sunday in O'Fallon, IL (2026)

3 clinics ranked by DR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Top DR Score among weekend and evening dentists: Lake Pointe Dental Group, DR Score 57, open evenings until 7 PM and Saturdays until 12 PM.

  2. 2

    Best for Saturdays: Dr. Richard Greiff, DDS, DR Score 53, open evenings until 7 PM and Saturdays until 12 PM.

  3. 3

    Best for Sundays: MEDDER MARK L DMD, DR Score 47, open 7 days until 12 AM.

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3 of O'Fallon’s 37 clinics open Saturdays, Sundays or after 6pm, as of October 2026. 3 open on Saturdays, 1 on Sundays and 2 after 6pm. 1 are open 7 days a week.

Top 3 weekend and evening dentists in O'Fallon at a glance

Top 3 weekend and evening dentists in O'Fallon at a glance
RankClinicDR ScoreEvenings / weekendsBest for
1Lake Pointe Dental Group57Evenings · SatTop DR Score among weekend and evening dentists
2Dr. Richard Greiff, DDS53Evenings · SatBest for Saturdays
3MEDDER MARK L DMD47Sat · SunBest for Sundays

Saturday, Sunday and evening hours in O'Fallon

Posted weekly hours for the highest-ranked clinics open on weekends or after 6pm.

The 3 weekend and evening dentists in O'Fallon, ranked

Ordered by DR Score, a 0–100 score from 6 published factors. Scores refresh weekly.

Scores below: based on access, services and profile completeness; Google ratings not yet collected. Hatched segments mark factors we don't have yet.

  1. Ranked #1 in O'Fallon

    #1 Lake Pointe Dental Group

    1002 E Wesley Dr STE 200, O'Fallon, IL 62269, United States

    57/100

    Ranked #1 because of services and access: 17 of 17 services offered, open evenings until 7 PM and Saturdays until 12 PM.

    Hours
    Mon 8:30 AM–7 PM · Tue–Wed 8 AM–7 PM · Thu 8:30 AM–7 PM · Fri 8:30 AM–4 PM · Sat 8:30 AM–12 PM · Sun closed

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

    Book appointment at Lake Pointe Dental GroupFull profile(618) 628-7080
    In their words

    Lake Pointe Dental Group is the leading Dentist in O'Fallon, IL, and the surrounding areas. We proudly offer Family Dentistry, Dental Cleaning, Cosmetic Dentistry, Root Canal Therapy, Oral Surgery, Emergency Care, and other dental treatment services in O'Fallon, IL! Lake Pointe Dental happily and proudly serves families and their children. From tooth restoration and replacement through the use of dental implants to teeth whitening, there is a treatment for almost any need.

    From Lake Pointe Dental Group's own description. Not part of the ranking.

  2. #2 Dr. Richard Greiff, DDS

    1002 E Wesley Dr STE 200, O'Fallon, IL 62269

    53/100

    Ranked #2 because of services and access: 17 of 17 services offered, open evenings until 7 PM and Saturdays until 12 PM.

    Hours
    Mon 8:30 AM–7 PM · Tue 8 AM–7 PM · Wed 8:30 AM–7 PM · Thu 8 AM–7 PM · Fri 8:30 AM–4 PM · Sat 8:30 AM–12 PM · Sun closed

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

    Book appointment at Dr. Richard Greiff, DDSFull profile(618) 628-7080

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How we ranked O'Fallon dentists

This list covers the 3 O'Fallon clinics that open Saturdays, Sundays or after 6pm. We scored 3 O'Fallon clinics on 6 factors: reputation 45%, review volume 15%, recency 10%, access 15%, services 10%, profile completeness 5%. Google ratings are not yet collected, so each score is renormalised over the factors we measured. Data from Google listings and clinic websites, refreshed October 21, 2026.

Paid placement never changes a rank or score. Featured clinics are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

DR Score factors and weights
FactorWeightComputed fromIn O'Fallon data
Reputation45%Bayesian-adjusted Google star ratingNot yet collected
Review volume15%log10(review count) against the city maximumNot yet collected
Recency10%Share of reviews in the last 12 monthsNot yet collected
Access15%Evenings, Saturday, Sunday, same-day/emergency, accepting new patientsMeasured
Services10%Services offered out of 17Measured
Profile completeness5%Named dentists, years open, languages, insurance, photosMeasured

Dentists Open Saturday & Sunday in O'Fallon, IL: frequently asked questions

Which dentists in O'Fallon are open on Saturday?

3 of the 3 clinics on this page open on Saturdays. The highest-ranked are Lake Pointe Dental Group, Dr. Richard Greiff, DDS and MEDDER MARK L DMD, and Lake Pointe Dental Group opens 8:30 AM–12 PM.

Which dentists in O'Fallon are open on Sunday?

1 of the 3 clinics on this page open on Sundays. The highest-ranked are MEDDER MARK L DMD, and MEDDER MARK L DMD opens 12 AM–12 AM. These counts come from clinic hours and profile data as of October 2026, re-checked every week.

Which O'Fallon dentists are open late?

2 of the 3 clinics on this page stay open after 6pm on at least one weekday. Lake Pointe Dental Group has the latest weekday hours, until 7 PM on Mondays.

How are weekend and evening dentists in O'Fallon ranked?

Each clinic has one DR Score from 0 to 100, built from 6 published factors: reputation, review volume, recency, access, services and profile completeness. This page lists the 3 O'Fallon clinics that open Saturdays, Sundays or after 6pm, in DR Score order. No clinic pays for its position.

Update log for O'Fallon

  1. : DR Scores recalculated for 37 clinics.

Related pages

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