1223P0300X — Periodontics
1223P0300X is the NUCC provider taxonomy code for Periodontics, a specialization within Dentist (individual providers). 8,777 providers in our latest NPPES snapshot list it as their primary taxonomy.
| Taxonomy code | 1223P0300X |
|---|---|
| Display name | Periodontics |
| Grouping | Dental Providers |
| Classification | Dentist |
| Specialization | Periodontics |
| Section | Individual |
| Directory | Dentist provider directory |
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.
Definition from the NUCC Health Care Provider Taxonomy code set.
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Related taxonomy codes
- 122300000X — Dentist
- 1223D0004X — Dental Anesthesiology (Dentist)
- 1223D0001X — Public Health Dentistry (Dentist)
- 1223E0200X — Endodontics (Dentist)
- 1223G0001X — General Practice Dentistry (Dentist)
- 1223P0106X — Oral and Maxillofacial Pathology Dentistry (Dentist)
- 1223X0008X — Oral and Maxillofacial Radiology Dentistry (Dentist)
- 1223S0112X — Oral and Maxillofacial Surgery (Dentist) (Dentist)
Frequently asked questions
What does taxonomy code 1223P0300X mean?
1223P0300X is the NUCC Health Care Provider Taxonomy code for Periodontics, a specialization of Dentist in the "Dental Providers" grouping. It classifies individual providers.
Where is the taxonomy code used?
Providers select a taxonomy code when applying for an NPI, and it appears on insurance claims (CMS-1500 box 33b / 837 electronic claims) to identify the provider's classification. Payers may require the taxonomy that matches your credential and license.
How do I find providers with taxonomy 1223P0300X?
Browse the Dentist directory, or use the NPI search and filter by state.
Source: CMS NPPES (public data). Snapshot 2026-07-09.