7 clinics ranked by DR ScoreUpdated 0 paid placements in this rankingHow we rank →
Top DR Score among weekend and evening dentists: Kathleen M. Frost, DDS, PC, 5.0★ from 226 Google reviews, open Saturdays until 2 PM.
Best for Saturdays: Kimberly K Justus, DDS, 5.0★ from 6 Google reviews, open Saturdays until 1 PM.
Best for Sundays: Islip Avenue Dental, DR Score 37, open evenings until 7 PM and Sundays until 3 PM.
Best for evenings: Dr. Robert A. Bottner, DDS, DR Score 53, open evenings until 9 PM and Saturdays until 1 PM.
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7 of Islip’s 14 clinics open Saturdays, Sundays or after 6pm, as of October 2026. 6 open on Saturdays, 1 on Sundays and 4 after 6pm. They offer 11 of our 17 tracked services on average.
| Rank | Clinic | DR Score | Rating (reviews) | Evenings / weekends | Best for |
|---|---|---|---|---|---|
| 1 | Kathleen M. Frost, DDS, PC | 68 | 5.0★ (226) | Sat | Top DR Score among weekend and evening dentists |
| 2 | Kimberly K Justus, DDS | 57 | 5.0★ (6) | Sat | Best for Saturdays |
| 3 | Innovative Dental Care: Joseph R. Morris DDS | 57 | — | Evenings · Sat | — |
| 4 | Islip Dental Associates | 57 | — | Evenings · Sat | — |
| 5 | Dr. Robert A. Bottner, DDS | 53 | — | Evenings · Sat | Best for evenings |
| 6 | Natalia Elson DDS PC | 47 | — | Sat | — |
| 7 | Islip Avenue Dental | 37 | — | Evenings · Sun | Best for Sundays |
Posted weekly hours for the highest-ranked clinics open on weekends or after 6pm.
Mon–Tue 9 AM–5 PM · Wed 9 AM–6 PM · Thu–Fri 9 AM–3 PM · Sat 8 AM–2 PM · Sun closed
Saturday
Mon 9 AM–6 PM · Tue closed · Wed 9 AM–2 PM · Thu 9 AM–6 PM · Fri 9 AM–2 PM · Sat 8:30 AM–1 PM · Sun closed
Saturday
Innovative Dental Care: Joseph R. Morris DDS#3
Mon 8 AM–3 PM · Tue 1 PM–8 PM · Wed 8 AM–3 PM · Thu closed · Fri 8 AM–3 PM · Sat 8 AM–2 PM · Sun closed
Evenings · Saturday
Mon 10 AM–7 PM · Tue–Wed 9 AM–3 PM · Thu 10 AM–6 PM · Fri closed · Sat 8 AM–1 PM · Sun closed
Evenings · Saturday
Mon 12 PM–9 PM · Tue–Wed 9 AM–3 PM · Thu 10 AM–6 PM · Fri closed · Sat 8 AM–1 PM · Sun closed
Evenings · Saturday
Mon closed · Tue–Wed 10 AM–6 PM · Thu–Fri closed · Sat 9 AM–3 PM · Sun closed
Saturday
Mon 9 AM–3 PM · Tue–Fri 9 AM–7 PM · Sat closed · Sun 9 AM–3 PM
Evenings · Sunday
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: 5.0★ from 226 Google reviews, the most Google reviews in Islip (226).
61 Nassau Ave #2, Islip, NY 11751
Ranked #2 because of its Google rating and review volume: 5.0★ from 6 Google reviews, 6 Google reviews.
662 Main St, Islip, NY 11751
Ranked #3 because of services and access: 17 of 17 services offered, open evenings until 8 PM and Saturdays until 2 PM.
Based on access, services and profile completeness; Google ratings not yet collected.
General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more
At Innovative Dental Care, Dr. Joseph Morris cares about more than just your smile. While many dental offices help you care for your gums and teeth, they often overlook the importance of the connection between your oral health and the rest of your body as a whole.
From Innovative Dental Care: Joseph R. Morris DDS's own description. Not part of the ranking.375 Main St, Islip, NY 11751, United States
Ranked #4 because of services and access: 17 of 17 services offered, open evenings until 7 PM and Saturdays until 1 PM.
Based on access, services and profile completeness; Google ratings not yet collected.
General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more
375 Main St, Islip, NY 11751
Ranked #5 because of services and access: 17 of 17 services offered, open evenings until 9 PM and Saturdays until 1 PM.
Based on access, services and profile completeness; Google ratings not yet collected.
General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more
150 Islip Ave Suite#5, Islip, NY 11751
Ranked #6 because of services and access: 17 of 17 services offered, open Saturdays until 3 PM.
Based on access, services and profile completeness; Google ratings not yet collected.
General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more
148 Islip Ave Suite 28, Islip, NY 11751, United States
Ranked #7 because of access and services: open evenings until 7 PM and Sundays until 3 PM, 7 of 17 services offered.
Based on access, services and profile completeness; Google ratings not yet collected.
General dentistryEmergency careImplantsCrownsBondingCosmeticFull restoration
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This list covers the 7 Islip clinics that open Saturdays, Sundays or after 6pm. We scored 7 Islip clinics on 6 factors: reputation 45%, review volume 15%, recency 10%, access 15%, services 10%, profile completeness 5%. 3 were excluded (3 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 Islip 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 |