Jason G. Harrison, DDS, O'Fallon dentist

#20Ranked #20 of 37 dentists in O'Fallon #20 for general dentistry

Jason G. Harrison, DDS is a general dental practice in O'Fallon, open Monday to Friday, with 17 of 17 tracked services.

O'Fallon, ILUpdated October 21, 20260 paid placements in any rankingHow we rank

Book an appointment Call (618) 628-1646 Website ↗

Key facts

Key facts about Jason G. Harrison, DDS
Address	105 Regency Park Suite 2, O'Fallon, IL 62269Get directions
Phone	(618) 628-1646
Website	ofallondental.com

Opening hours

Opening hours for Jason G. Harrison, DDS
Day	Hours
Monday	8 AM – 6 PM
Tuesday	8 AM – 5 PM
Wednesday	8 AM – 5 PM
Thursday	7:30 AM – 4:30 PM
Friday	8 AM – 3 PM
Saturday	Closed
Sunday	Closed

Open evenings — no
Open Saturdays — no
Open Sundays — no

Services

Each offered service links to the ranked list for O'Fallon.

Services offered by Jason G. Harrison, DDS
Service	Offered
General Dentistry	Yes
Teeth Cleaning	Yes
Emergency Care	Yes
Root Canal	Yes
Tooth Extraction	Yes
Wisdom Teeth Removal	Yes
Dental Implants	Yes
Invisalign	Yes
Braces	Yes
Dental Crowns	Yes
Dentures	Yes
Veneers	Yes
Teeth Whitening	Yes
Dental Bonding	Yes
Cosmetic Fillings	Yes
Cosmetic Dentistry	Yes
Full Restoration	Yes

Compare nearby O'Fallon dentists

Jason G. Harrison, DDS compared with nearby ranked clinics
Clinic	Rank	DR Score	Evenings	Saturday	Sunday
Jason G. Harrison, DDS (this clinic)	#20	37	No	No	No
Amanda Kucharczyk, DMD	#19	37	No	No	No
O'Fallon Family Dental Care	#21	37	No	No	No
Mid America Oral Surgery & Implant Center	#22	37	No	No	No

See all 37 ranked dentists in O'Fallon

Questions about Jason G. Harrison, DDS

What are Jason G. Harrison, DDS's hours?

Jason G. Harrison, DDS 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 Jason G. Harrison, DDS?

Jason G. Harrison, DDS is at 105 Regency Park Suite 2, O'Fallon, IL 62269. 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 Jason G. Harrison, DDS offer?

Jason G. Harrison, DDS lists 17 of the 17 services DentistsRanked tracks, including general dentistry, cleaning, emergency care, root canal, extraction, wisdom teeth, implants and invisalign, plus 9 more. The full list, with links to ranked lists for each service in O'Fallon, is in the services table on this page.

How is Jason G. Harrison, DDS ranked?

Jason G. Harrison, DDS is ranked #20 of 37 dentists in O'Fallon by DR Score, with 37 out of 100. The score combines reputation, review volume, recency, access, services and profile completeness. No clinic can pay to change its rank.

In their words

Jason G. Harrison, DDS's own description, as published by the clinic. Not written or checked by DentistsRanked.

As trained medical professionals, our dedication to maintaining a safe environment through rigorous infection control procedures is at our core. We know that moving forward our commitment to your safety will be even more important. While continuing to meet traditional CDC and OSHA requirements, we are adopting some new, additional protocols. For example, we might wear additional PPE, request you wear a mask to your appointment, or take your temperature upon arrival.

Data last refreshed October 21, 2026

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Owners can correct hours, services and dentists. The score is recalculated from the corrected data; payment never changes it.

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