Periodontics of O'Fallon: Sarah Northcott, DMD, MS, O'Fallon dentist

#48Ranked #48 of 55 dentists in O'Fallon #48 for general dentistry

Periodontics of O'Fallon: Sarah Northcott, DMD, MS is a general dental practice in O'Fallon, open Monday to Thursday, with 17 of 17 tracked services.

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

Book an appointment Call (636) 379-6905 Website ↗

Key facts

Key facts about Periodontics of O'Fallon: Sarah Northcott, DMD, MS
Address	2934 State Hwy K, O'Fallon, MO 63368Get directions
Phone	(636) 379-6905
Website	ofallonperio.com

Opening hours

Opening hours for Periodontics of O'Fallon: Sarah Northcott, DMD, MS
Day	Hours
Monday	9 AM – 5 PM
Tuesday	8 AM – 4 PM
Wednesday	8 AM – 5 PM
Thursday	8 AM – 4 PM
Friday	Closed
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 Periodontics of O'Fallon: Sarah Northcott, DMD, MS
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

Periodontics of O'Fallon: Sarah Northcott, DMD, MS compared with nearby ranked clinics
Clinic	Rank	DR Score	Evenings	Saturday	Sunday
Periodontics of O'Fallon: Sarah Northcott, DMD, MS (this clinic)	#48	37	No	No	No
Mooney Orthodontics	#47	37	No	No	No
My Child's Dentist	#49	37	No	No	No
Midpoint Dental	#50	37	No	No	No

See all 55 ranked dentists in O'Fallon

Questions about Periodontics of O'Fallon: Sarah Northcott, DMD, MS

What are Periodontics of O'Fallon: Sarah Northcott, DMD, MS's hours?

Periodontics of O'Fallon: Sarah Northcott, DMD, MS is open Monday to Thursday. It is closed on Saturdays, and closed on Sundays. Weekday hours start at 9 AM on Monday. These hours come from the clinic's business listing as of February 2026; holiday hours may differ.

Where is Periodontics of O'Fallon: Sarah Northcott, DMD, MS?

Periodontics of O'Fallon: Sarah Northcott, DMD, MS is at 2934 State Hwy K, O'Fallon, MO 63368. 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 Periodontics of O'Fallon: Sarah Northcott, DMD, MS offer?

Periodontics of O'Fallon: Sarah Northcott, DMD, MS 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 Periodontics of O'Fallon: Sarah Northcott, DMD, MS ranked?

Periodontics of O'Fallon: Sarah Northcott, DMD, MS is ranked #48 of 55 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

Periodontics of O'Fallon: Sarah Northcott, DMD, MS's own description, as published by the clinic. Not written or checked by DentistsRanked.

Thank you for choosing Periodontics of O'Fallon for your periodontal and implant needs. At this time, our office will be limiting non-emergency procedures and appointments. The health and safety of our patients and employees is our highest priority. If you are currently on our schedule, we will be reaching out to you to reschedule your upcoming appointment. We will continue to monitor this situation closely and will keep you informed of any developments. We look forward to providing your periodontal and implant care again in the very near future. Sincerely, Dr. Sarah Northcott & Team

Data last refreshed February 4, 2026

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