DR. DONALD R WELSH DMD
NPI 1407884679
Dentist - General Practice in Portsmouth, NH

Q: What is Donald Welsh's NPI number?

The NPI number for Donald Welsh is 1407884679. It was assigned to this individual provider in the NPPES registry on June 28, 2006.

Q: What is Donald Welsh's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Q: When was this NPI record last updated?

The NPPES record for Donald Welsh was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 28, 2006

320 UNION ST, PORTSMOUTH, NH 03801(603) 436-2144 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Donald R Welsh Dmd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DONALD R WELSH DMD (NPI 1407884679) is an individual general practice provider in Portsmouth, New Hampshire, licensed in New Hampshire (2064) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1407884679

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. DONALD R WELSHCredential: DMD

Location Address320 UNION STPortsmouth, NH 03801-5052

Mailing Address320 Union StPortsmouth, NH 03801-5052 · (603) 436-2144

Phone(603) 436-2144

Sole ProprietorNo

Enumeration DateJune 28, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1407884679 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in NH · 2064

Definition

A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

320 UNION ST, Portsmouth, NH 03801

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Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DONALD R. WELSH, JR. D.M.D.,P.L.L.C

Dentist

320 UNION ST
PORTSMOUTH, NH 03801

Rockingham County (603) 436-2144

UNION STREET DENTAL PLLC

Dentist (Prosthodontics)

320 UNION ST
PORTSMOUTH, NH 03801

Rockingham County (603) 436-2144

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Donald Welsh's NPI number?

The NPI number for Donald Welsh is 1407884679. It was assigned to this individual provider in the NPPES registry on June 28, 2006.

Where is Donald Welsh located?

Donald Welsh practices at 320 Union St, Portsmouth, NH 03801. The listed phone number is (603) 436-2144.

What is Donald Welsh's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

When was this NPI record last updated?

The NPPES record for Donald Welsh was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.