6 clinics ranked by DR ScoreUpdated 0 paid placements in this rankingHow we rank →
Top DR Score among periodontists: John L. Potter, DMD, 5.0★ from 234 Google reviews.
Best for weekend appointments: Dr. George Bandelac, 4.8★ from 5 Google reviews, open Saturdays until 7 PM.
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6 of Allentown’s 107 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 | John L. Potter, DMD | 70 | 5.0★ (234) | — | Top DR Score among periodontists |
| 2 | Scott A. Gradwell, D.M.D., F.A.G.D, P.C. | 63 | 4.9★ (274) | — | — |
| 3 | Strassman Dental | 63 | 4.9★ (252) | — | — |
| 4 | Aspen Dental - Allentown, PA - Trexlertown | 54 | 4.0★ (879) | — | — |
| 5 | Dr. George Bandelac | 51 | 4.8★ (5) | Sat | Best for weekend appointments |
| 6 | McKee Thomas J DMD | 46 | 5.0★ (2) | — | — |
Ordered by DR Score, a 0–100 score from 6 published factors. Scores refresh weekly.
Ranked #1 in Allentown
3131 College Heights Blvd Suite 2800, Allentown, PA 18104
Ranked #1 because of its Google rating and review volume: 5.0★ from 234 Google reviews, 234 Google reviews.
Based on reputation, review volume, recency, services and profile completeness.
1251 S Cedar Crest Blvd #305, Allentown, PA 18103
Ranked #2 because of its Google rating and review volume: 4.9★ from 274 Google reviews, 274 Google reviews.
1575 Pond Rd Ste 101, Allentown, PA 18104
Ranked #3 because of its Google rating and review volume: 4.9★ from 252 Google reviews, 252 Google reviews.
750 N Krocks Rd Ste 206, Allentown, PA 18106
Ranked #4 because of its Google rating and review volume: 4.0★ from 879 Google reviews, the most Google reviews in Allentown (879).
1247 S Cedar Crest Blvd Ste 300, Allentown, PA 18103
Ranked #5 because of its Google rating and review volume: 4.8★ from 5 Google reviews, 5 Google reviews.
1259 S Cedar Crest Blvd, Allentown, PA 18103
Ranked #6 because of its Google rating and review volume: 5.0★ from 2 Google reviews, 2 Google reviews.
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This list covers the 6 Allentown clinics that have a periodontist on staff. We scored 6 Allentown clinics on 6 factors: reputation 45%, review volume 15%, recency 10%, access 15%, services 10%, profile completeness 5%. 13 were excluded (13 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 Allentown 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 |