Periodontics: NPI taxonomy code 1223P0300X
Taxonomy code 1223P0300X is Dentist: Periodontics, in the Dental Providers group.
8,852 active NPIs list it as their primary specialty (<0.1% of all).
| Code | 1223P0300X |
|---|---|
| Group | Dental Providers |
| Classification | Dentist |
| Specialization | Periodontics |
| Used for | individual providers (the code is in NUCC's Individual section) |
| Active NPIs, primary specialty | 8,852 (6,662 individuals, 2,190 organizations) |
What NUCC says: 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. (excerpt of the NUCC 26.1 definition)
Find Periodontics providers
Search the registry for providers listing Periodontics. Pick a state to narrow it down.
Where they are
| State | Active NPIs | Share |
|---|---|---|
| California | 1,196 | 13.5% |
| New York | 689 | 7.8% |
| Florida | 642 | 7.3% |
| Texas | 629 | 7.1% |
| Massachusetts | 522 | 5.9% |
| New Jersey | 396 | 4.5% |
| Pennsylvania | 318 | 3.6% |
| Illinois | 300 | 3.4% |
| Virginia | 282 | 3.2% |
| Washington | 263 | 3.0% |
Top states by practice location, from the NPPES file of September 13, 2026.
Related specialties
- General Practice Dentistry 180,975
- Dentist 124,731
- Orthodontics and Dentofacial Orthopedics Dentistry 21,324
- Pediatric Dentistry 17,645
- Oral and Maxillofacial Surgery (Dentist) 12,951
- Endodontics 9,428
- Prosthodontics 4,828
- Public Health Dentistry 1,806
Specialty definitions are from the NUCC Health Care Provider Taxonomy (version 26.1). Which code to use on a claim depends on your NPPES record and your payer. See taxonomy codes explained.