Dentist Periodontics Taxonomy Code 1223P0300X

1223P0300X Level III - Area of Specialization
11,404Registered providers
25.1NUCC version
54States & territories
Definition

That specialty of dentistry which encompasses the prevention, diagnosis and treatment of diseases of the supporting and surrounding tissues of the teeth or their substitutes and the maintenance of the health, function and esthetics of these structures and tissues.

Code Details for 1223P0300X

ClassificationDentist
SpecializationPeriodontics
Code levelLevel III - Area of Specialization
Last updatedJanuary 01, 2026
Notes / sourceSource: Council on Dental Education and Licensure, American Dental Association

About Taxonomy Code 1223P0300X

The taxonomy code 1223P0300X identifies Dentist Periodontics within the Dental Providers provider grouping. It is a Level III — Area of Specialization code, the most specific tier: it narrows the parent classification to a defined subspecialty.

NPI records show 11,404 registered providers whose primary or secondary taxonomy is this code. Of these, 3,730 (33%) are registered as organizations and 7,674 (67%) as individual providers. The states with the most dentist periodontics providers are California (1,542), New York (859), Florida (836).

Taxonomy codes are self-selected by the provider based on their education and training; they describe the provider's type and specialty, not the specific services rendered.

Provider Composition & Statistics

11,404Total providers
3,730Organizations 33%
7,674Individuals 67%
2,175Female
5,496Male
3Undisclosed

Among individual providers:

Gender is recorded for individual providers only; organizations are not gendered. Source: NPPES, last updated 2026-06-21T00:00:00.

View all 11,404 providers

Dentist Periodontics Providers by State

Provider counts by U.S. state and territory. Select a state to open its provider directory.

Frequently Asked Questions

NPPES lists 11,404 registered providers with this taxonomy code (Dentist Periodontics).

Both. About 33% of these providers are registered as organizations and 67% as individuals.

This taxonomy code does not map to a Medicare specialty code in the current crosswalk.

It is a Level III - Area of Specialization code in the NUCC Health Care Provider Taxonomy set. As an area of specialization, it falls under the Dentist classification (parent code 122300000X).

Use the "Providers by state" directory on this page to open the list of dentist periodontics providers registered in any U.S. state.

Source: National Uniform Claim Committee (NUCC) Health Care Provider Taxonomy code set, Version 25.1. Provider counts from NPPES. See nucc.org.