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Endodontics: how many are there, and how many are in private practice?

Endodontics is the dental specialty concerned with the dental pulp and the tissues around tooth roots, including the diagnosis and treatment of related disease and injury. This page summarizes 9,068 active US NPI records whose primary taxonomy is Endodontics, shows the share flagged as sole proprietors, and provides state and recent enumeration context for research on the specialty's footprint.

National totals

Active NPI records9,068
Registered sole proprietors2,377 (26.2%)
NUCC taxonomy code1223E0200X
GroupingDental Providers

What this specialty covers

The branch of dentistry that is concerned with the morphology, physiology and pathology of the human dental pulp and periradicular tissues. Its study and practice encompass the basic and clinical sciences including biology of the normal pulp, the etiology, diagnosis, prevention and treatment of diseases and injuries of the pulp and associated periradicular conditions.

Reading the sole-proprietor share

For Endodontics, 2,377 records, or 26.2%, have the sole-proprietor field marked in NPPES. This self-reported field can describe administrative classification, but it is an imperfect proxy for private practice and does not by itself establish ownership, employment arrangement, or independent practice.

By state

StateActive NPIsSole proprietorsShare
California1,36847534.7%
Florida68420429.8%
Texas68115622.9%
New York58321236.4%
Massachusetts3956817.2%
Pennsylvania3277222.0%
New Jersey3219028.0%
Washington2976421.5%
Illinois2735821.2%
Virginia2686725.0%
North Carolina2486024.2%
Maryland2475321.5%
Michigan2384418.5%
Ohio2324820.7%
Arizona2144922.9%
Colorado2134420.7%
Georgia1846635.9%
Minnesota1632213.5%
Oregon1383323.9%
Tennessee1303224.6%
Indiana1272418.9%
South Carolina1262923.0%
Connecticut1172218.8%
Alabama1053432.4%
Missouri1002323.0%
Wisconsin991515.2%
Louisiana913134.1%
Utah892022.5%
Nevada861719.8%
Kansas671116.4%
Iowa671420.9%
Hawaii661116.7%
New Hampshire571729.8%
Kentucky511835.3%
Oklahoma501428.0%
New Mexico471225.5%
Idaho451328.9%
Nebraska431330.2%
Arkansas42<11not reported
Mississippi351131.4%
West Virginia34<11not reported
District of Columbia331339.4%
Maine29<11not reported
South Dakota27<11not reported
Rhode Island24<11not reported
Delaware22<11not reported
Montana21<11not reported
Alaska17<11not reported
Vermont14<11not reported
North Dakota12<11not reported

New NPI registrations by year

Year first enumeratedNPIs
2016228
2017198
2018196
2019216
2020190
2021182
2022184
2023155
2024150
2025184

Counts reflect the year each NPI was first issued, among records still active today. The final year is partial: this data covers through 2026-01-11.

Data notes

Source: CMS National Plan and Provider Enumeration System (NPPES) Data Dissemination file, FOIA-disclosable public data under CMS-6060-N. Aggregated by Hero EMR on 2026-08-03; deactivated NPIs excluded; specialty assigned from the primary taxonomy code (NUCC 25.1). Counts below 11 are suppressed. Individual providers are never published. All provider data pages.

Common questions

How many endodontists are there in the US?

There are 9,068 active NPI records nationally with Endodontics as the primary taxonomy. This is an NPI-based count, not a direct headcount of clinicians.

How many endodontists are in private practice?

A total of 2,377 records, or 26.2%, are flagged as sole proprietors in NPPES. That flag is a self-reported and imperfect proxy for private practice.

Which states have the most endodontists?

The largest state counts are California with 1,368, Florida with 684, Texas with 681, New York with 583, and Massachusetts with 395.

How many new endodontist NPIs were issued recently?

NPIs first enumerated in the listed recent full years were 155 in 2023, 150 in 2024, and 184 in 2025.

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