Ranked #1 because of its Google rating and review volume: 4.4★ from 12 Google reviews, 12 Google reviews.
Based on reputation, review volume, recency, services and profile completeness.
- 4.4from 12 Google reviews
3 clinics ranked by DR ScoreUpdated 0 paid placements in this rankingHow we rank →
Top DR Score among periodontists: Contemporary Dental Implant Centre, 4.4★ from 12 Google reviews.
Best for weekend appointments: Dr. John A. Rose, DDS, 4.7★ from 44 Google reviews, open Saturdays until 1 PM.
Rankings can't be bought. Booking through us earns you a $60 gift card and doesn’t affect order. How we rank
3 of Smithtown’s 42 clinics have a periodontist on staff, as of October 2026. 1 of them open Saturdays and 0 stay open after 6pm. They offer 1 of our 17 tracked services on average.
| Rank | Clinic | DR Score | Rating (reviews) | Evenings / weekends | Best for |
|---|---|---|---|---|---|
| 1 | Contemporary Dental Implant Centre | 59 | 4.4★ (12) | — | Top DR Score among periodontists |
| 2 | Dr. John A. Rose, DDS | 57 | 4.7★ (44) | Sat | Best for weekend appointments |
| 3 | John Lupovici DDS | 46 | 3.0★ (1) | — | — |
Ordered by DR Score, a 0–100 score from 6 published factors. Scores refresh weekly.
Ranked #1 because of its Google rating and review volume: 4.4★ from 12 Google reviews, 12 Google reviews.
Based on reputation, review volume, recency, services and profile completeness.
The Colonial Building, 180 E Main St, Smithtown, NY 11787
Ranked #2 because of its Google rating and review volume: 4.7★ from 44 Google reviews, the most Google reviews in Smithtown (44).
319 Middle Country Rd #2, Smithtown, NY 11787
Ranked #3 because of its Google rating and review volume: 3.0★ from 1 Google review, 1 Google review.
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This list covers the 3 Smithtown clinics that have a periodontist on staff. We scored 3 Smithtown clinics on 6 factors: reputation 45%, review volume 15%, recency 10%, access 15%, services 10%, profile completeness 5%. 2 were excluded (2 duplicate listings). 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.
| Factor | Weight | Computed from | In Smithtown data |
|---|---|---|---|
| Reputation | 45% | Bayesian-adjusted Google star rating | Measured |
| Review volume | 15% | log10(review count) against the city maximum | Measured |
| Recency | 10% | Share of reviews in the last 12 months | Measured |
| Access | 15% | Evenings, Saturday, Sunday, same-day/emergency, accepting new patients | Measured |
| Services | 10% | Services offered out of 17 | Measured |
| Profile completeness | 5% | Named dentists, years open, languages, insurance, photos | Measured |