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

HELEN KACOYANIS D.M.D.
NPI 1063457489
Dentist - General Practice in Dover, NH

Q: What is Helen Kacoyanis's NPI number?

The NPI number for Helen Kacoyanis is 1063457489. It was assigned to this individual provider in the NPPES registry on June 19, 2006.

Q: What is Helen Kacoyanis'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 Helen Kacoyanis 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 35 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.

Active since June 19, 2006

2 RIDGE ST, DOVER, NH 03820(603) 743-3500 Get Directions Write a Review

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

On this page

About Helen Kacoyanis D.m.d. NPPES

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

HELEN KACOYANIS D.M.D. (NPI 1063457489) is an individual general practice provider in Dover, New Hampshire, licensed in New Hampshire (2318) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1063457489

Entity TypeIndividualFemale

Primary Taxonomy1223G0001X

Provider Legal NameHELEN KACOYANISCredential: D.M.D.

Location Address2 RIDGE STDover, NH 03820-2516

Mailing Address2 Ridge StDover, NH 03820-2516 · (603) 743-3500

Phone(603) 743-3500

Sole ProprietorNo

Enumeration DateJune 19, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1063457489 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 · 2318

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.

2 RIDGE ST, Dover, NH 03820

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Other Identifiers 1

Medicaid30004918NH

Other Providers at the Same Location NPPES 4

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

DR. SILVIO BALZANO D.M.D.

Dentist (General Practice)

2 RIDGE ST
DOVER, NH 03820

Strafford County (603) 743-3500

DOVER DENTAL ASSOCIATES, LLP

Dentist (General Practice)

2 RIDGE ST
DOVER, NH 03820

Strafford County (603) 743-3500

DUMAS DENTAL, PLLC

Clinic/Center (Dental)

2 RIDGE ST
DOVER, NH 03820

Strafford County (603) 743-3500

DR. BAILEY J GRYSKWICZ DMD

Dentist

2 RIDGE ST
DOVER, NH 03820

Strafford County (603) 743-3500

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 Helen Kacoyanis's NPI number?

The NPI number for Helen Kacoyanis is 1063457489. It was assigned to this individual provider in the NPPES registry on June 19, 2006.

Where is Helen Kacoyanis located?

Helen Kacoyanis practices at 2 Ridge St, Dover, NH 03820. The listed phone number is (603) 743-3500.

What is Helen Kacoyanis'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 Helen Kacoyanis 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 35 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.