Donald R. Welsh Jr., DMD, Portsmouth dentist
Donald R. Welsh Jr., DMD is a general dental practice in Portsmouth, open Monday to Thursday, with a 5.0★ rating from 7 Google reviews.
Portsmouth, NHUpdated 0 paid placements in any rankingHow we rank
Key facts
| Address | 320 Union St, Portsmouth, NH 03801Get directions |
|---|
Opening hours
| Day | Hours |
|---|---|
| Monday | 8 AM – 5 PM |
| Tuesday | 8 AM – 5 PM |
| Wednesday | 8 AM – 5 PM |
| Thursday | 8 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
5.0★from 7 Google reviews
0 of them posted in the last 12 months.
Compare nearby Portsmouth dentists
| Clinic | Rank | DR Score | Google rating | Evenings | Saturday | Sunday | Distance |
|---|---|---|---|---|---|---|---|
| Donald R. Welsh Jr., DMD (this clinic) | #30 | 60 | 5.0★ (7) | No | No | No | |
| Samantha King, DMD | #11 | 68 | 4.9★ (66) | No | No | No | 0.0 mi |
| Dr. Janet Allaire, DMD | #33 | 57 | 5.0★ (2) | No | No | No | 0.1 mi |
| Dr. Marc A. Greer, DMD | #31 | 59 | 5.0★ (5) | No | No | No | 0.1 mi |
Questions about Donald R. Welsh Jr., DMD
What are Donald R. Welsh Jr., DMD's hours?
Donald R. Welsh Jr., DMD is open Monday to Thursday. It is closed on Saturdays, and closed on Sundays. Weekday hours start at 8 AM on Monday. These hours come from the clinic's business listing as of October 2026; holiday hours may differ.
Where is Donald R. Welsh Jr., DMD?
Donald R. Welsh Jr., DMD is at 320 Union St, 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 Donald R. Welsh Jr., DMD offer?
Donald R. Welsh Jr., DMD 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 Donald R. Welsh Jr., DMD ranked?
Donald R. Welsh Jr., DMD is ranked #30 of 47 dentists in Portsmouth by DR Score, with 60 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
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Owners can correct hours, services and dentists. The score is recalculated from the corrected data; payment never changes it.