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MARK S. MORRIS D.D.S.
NPI 1366768855
Dentist - General Practice in Merrimack, NH

Active since April 09, 2010
75 DANIEL WEBSTER HWY, MERRIMACK, NH 03054(603) 424-7575 Get Directions Write a Review

NPPES record last updated: April 24, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Apr 24, 2026, Apr 9, 2024 (2 updates tracked since 2024).

About Mark S. Morris D.d.s. NPPES

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

MARK S. MORRIS D.D.S. (NPI 1366768855) is an individual general practice provider in Merrimack, New Hampshire, licensed in New Hampshire (03863) and active in the NPI registry since April 2010.

NPPES Registry Identity

NPI1366768855
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameMARK S. MORRISCredential: D.D.S.
Location Address75 DANIEL WEBSTER HWYMerrimack, NH 03054-4808
Mailing Address75 Daniel Webster HwyMerrimack, NH 03054-4808 · (603) 424-7676
Phone(603) 424-7575
Sole ProprietorNo
Enumeration DateApril 9, 2010
Last NPPES UpdateApril 24, 20262 updates tracked since enumeration
NPPES CertifiedApril 24, 2026
✔ NPI 1366768855 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 · 03863
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.
75 DANIEL WEBSTER HWY, Merrimack, NH 03054
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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

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

MARK S. MORRIS, DDS, PLLC
Dentist (General Practice)
75 DANIEL WEBSTER HWY
MERRIMACK, NH 03054
Hillsborough County (603) 272-6309

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 Mark Morris's NPI number?

The NPI number for Mark Morris is 1366768855. It was assigned to this individual provider in the NPPES registry on April 9, 2010.

Where is Mark Morris located?

Mark Morris practices at 75 Daniel Webster Hwy, Merrimack, NH 03054. The listed phone number is (603) 424-7575.

What is Mark Morris's specialty?

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

What insurance does Mark Morris accept?

Health plans from Northeast Delta Dental list Mark Morris 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 Mark Morris was last updated on April 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.