Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. DAVID LOC HARRISON D.M.D
NPI 1871575902
Dentist - General Practice in Gloucester, MA

Active since November 15, 2005
1 ESSEX AVE, GLOUCESTER, MA 01930(978) 283-4500 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. David Loc Harrison D.m.d NPPES

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

DR. DAVID LOC HARRISON D.M.D (NPI 1871575902) is an individual general practice provider in Gloucester, Massachusetts, licensed in Massachusetts (19392) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1871575902
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. DAVID LOC HARRISONCredential: D.M.D
Location Address1 ESSEX AVEGloucester, MA 01930-4927
Mailing Address1 Essex AveGloucester, MA 01930-4927 · (978) 283-4500
Sole ProprietorNo
Enumeration DateNovember 15, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1871575902 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License Licensed in MA · 19392
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.
1 ESSEX AVE, Gloucester, MA 01930

Accepted 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.

Dentist
1 ESSEX AVE
GLOUCESTER, MA 01930
Clinic/Center (Dental)
1 ESSEX AVE
GLOUCESTER, MA 01930

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 David Harrison's NPI number?

The NPI number for David Harrison is 1871575902. It was assigned to this individual provider in the NPPES registry on November 15, 2005.

Where is David Harrison located?

David Harrison practices at 1 Essex Ave, Gloucester, MA 01930. The listed phone number is (978) 283-4500.

What is David Harrison's specialty?

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

What insurance does David Harrison accept?

Health plans from Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield, BEST Life, Blue Cross and Blue Shield of Alabama and Blue Cross and Blue Shield of Montana and 8 other insurers list David Harrison 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 David Harrison 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 30 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.