Coastal Periodontics, Portsmouth dentist
Coastal Periodontics is a general dental practice in Portsmouth, open Monday to Thursday, with a periodontist on staff and a 4.2★ rating from 19 Google reviews.
Portsmouth, NHUpdated 0 paid placements in any rankingHow we rank
Key facts
| Address | 25 New Hampshire Ave Suite #285, Portsmouth, NH 03801Get directions |
|---|---|
| Phone | (603) 427-8383 |
| Website | coastalperiosurgery.com |
Opening hours
| Day | Hours |
|---|---|
| Monday | 8:30 AM – 5 PM |
| Tuesday | 8:30 AM – 5 PM |
| Wednesday | 7:30 AM – 5 PM |
| Thursday | 8:30 AM – 5 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 Portsmouth.
| 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 |
Google reviews
4.2★from 19 Google reviews
2 of them posted in the last 12 months.
Compare nearby Portsmouth dentists
| Clinic | Rank | DR Score | Google rating | Evenings | Saturday | Sunday | Distance |
|---|---|---|---|---|---|---|---|
| Coastal Periodontics (this clinic) | #28 | 61 | 4.2★ (19) | No | No | No | |
| Bay Breeze Dentistry | #13 | 67 | 4.8★ (229) | No | No | No | 0.1 mi |
| My Shiny Teeth and Me | #18 | 67 | Not collected | No | No | No | 0.7 mi |
| Kim Sehwoon DDS | #4 | 73 | Not collected | No | No | No | 1.0 mi |
Questions about Coastal Periodontics
What are Coastal Periodontics's hours?
Coastal Periodontics is open Monday to Thursday. It is closed on Saturdays, and closed on Sundays. Weekday hours start at 8:30 AM on Monday. These hours come from the clinic's business listing as of October 2026; holiday hours may differ.
Where is Coastal Periodontics?
Coastal Periodontics is at 25 New Hampshire Ave Suite #285, Portsmouth, NH 03801. 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 Coastal Periodontics offer?
Coastal Periodontics 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 Portsmouth, is in the services table on this page.
How is Coastal Periodontics ranked?
Coastal Periodontics is ranked #28 of 47 dentists in Portsmouth by DR Score, with 61 out of 100. The score combines reputation, review volume, recency, access, services and profile completeness. No clinic can pay to change its rank.
Data last refreshed October 21, 2026
Is this your practice? Update your profile.
Owners can correct hours, services and dentists. The score is recalculated from the corrected data; payment never changes it.