1. Home
  2. Directory
  3. New Hampshire
  4. Amherst
  5. Dentist
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MATTHEW C LEIGHTON D.D.S.
NPI 1891744173
Dentist - General Practice in Amherst, NH

Active since May 06, 2006
102 PONEMAH RD, AMHERST, NH 03031(603) 673-7950(603) 672-7647 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Matthew C Leighton D.d.s. NPPES

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

DR. MATTHEW C LEIGHTON D.D.S. (NPI 1891744173) is an individual general practice provider in Amherst, New Hampshire, licensed in New Hampshire (3055) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1891744173
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. MATTHEW C LEIGHTONCredential: D.D.S.
Location Address102 PONEMAH RDAmherst, NH 03031-2827
Mailing Address102 Ponemah RdAmherst, NH 03031-2827 · (603) 673-7950 · Fax (603) 672-7647
Phone(603) 673-7950
Fax(603) 672-7647
Sole ProprietorNo
Enumeration DateMay 6, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1891744173 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 · 3055
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.
102 PONEMAH RD, Amherst, NH 03031
Open in Google Maps ↗

Other Identifiers 1

Medicaid30011302NH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Northeast Delta Dental.Insurance ›

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.

DR. STEPHEN J. CLARK DDS
Dentist (General Practice)
102 PONEMAH RD
AMHERST, NH 03031
Hillsborough County (603) 673-7950
KAYSER, CLARK & LEIGHTON, P.C.
Dentist (General Practice)
102 PONEMAH RD
AMHERST, NH 03031
Hillsborough County (603) 673-7950

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 Matthew Leighton's NPI number?

The NPI number for Matthew Leighton is 1891744173. It was assigned to this individual provider in the NPPES registry on May 6, 2006.

Where is Matthew Leighton located?

Matthew Leighton practices at 102 Ponemah Rd, Amherst, NH 03031. The listed phone number is (603) 673-7950.

What is Matthew Leighton's specialty?

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

What insurance does Matthew Leighton accept?

Health plans from Northeast Delta Dental list Matthew Leighton as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Matthew Leighton was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days 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.