Endodontics
NUCC 1223E0200X · Dentist
5,974 CMS NPPES-registered providers across 53 states · 125th of 690 specialties by headcount.
Where this specialty sits in the corpus
Endodontics ranks 125th of 690 NUCC specialties by CMS NPPES headcount (0.08% of all registered NPIs), densest in California; per resident Massachusetts leads.
- 5,974
- NPPES providers in specialty
- 125th
- of 690 specialties
- 532
- state-share HHI
- 59.8%
- Part D prescriber share
Massachusetts is densest per capita (2× the national rate; District of Columbia 1.9×); 2.2% of the Dentist category.
Taxonomy fingerprint
Endodontics (NUCC 1223E0200X; 59.8% Part D prescribers (3,574 of 5,974); avg 124 Part D claims/prescriber (476th of 572); Open Payments avg $58K/physician (5th of 551; 1,768 paid, $101.9M total); state-share HHI 532; next-larger headcount neighbor Midwife (+83); next-smaller Clinical Neuropsychologist (-166)).
Next larger: Midwife (6,057) Next smaller: Clinical Neuropsychologist (5,808)
Population-adjusted state index
Each multiple is this specialty's providers-per-resident in a state divided by the national rate (Census Vintage population estimates). Raw headcount favors large states; this ranking surfaces denser markets.
Over-indexed vs national rate
- Massachusetts 2× · 3.6/100k
- District of Columbia 1.9× · 3.4/100k
- Washington 1.5× · 2.6/100k
- New Hampshire 1.4× · 2.5/100k
Under-indexed vs national rate
- Arkansas 0.33× · 0.6/100k
- Mississippi 0.42× · 0.7/100k
- Oklahoma 0.50× · 0.9/100k
- North Dakota 0.51× · 0.9/100k
- Kentucky 0.53× · 0.9/100k
Which states have the most providers?
| # | State | Providers |
|---|---|---|
| 1 | California | 916 |
| 2 | Florida | 448 |
| 3 | New York | 445 |
| 4 | Texas | 392 |
| 5 | Massachusetts | 250 |
| 6 | Pennsylvania | 220 |
| 7 | New Jersey | 215 |
| 8 | Washington | 206 |
| 9 | Ohio | 173 |
| 10 | Virginia | 172 |
| 11 | North Carolina | 169 |
| 12 | Illinois | 167 |
| 13 | Michigan | 159 |
| 14 | Maryland | 152 |
| 15 | Georgia | 134 |
Top Cities for Endodontics
| # | City | Providers |
|---|---|---|
| 1 | New YorkNew York | 128 |
| 2 | HoustonTexas | 64 |
| 3 | BostonMassachusetts | 57 |
| 4 | San DiegoCalifornia | 48 |
| 5 | San FranciscoCalifornia | 46 |
| 6 | PhiladelphiaPennsylvania | 46 |
| 7 | Los AngelesCalifornia | 43 |
| 8 | ChicagoIllinois | 41 |
| 9 | San AntonioTexas | 36 |
| 10 | DallasTexas | 35 |
| 11 | Las VegasNevada | 31 |
| 12 | SeattleWashington | 31 |
Sample Endodontics NPIs
A directory sample from this NUCC code (not a ranking). Names and locations are unique to this taxonomy.
| # | Provider |
|---|---|
| 1 | Joseph Herbst, D.D.S.Laurel, MD |
| 2 | Marty Lipsey, D.D.S., M.S.Modesto, CA |
| 3 | Frank Casanova, D.D.S., M.SC.D.Fairfield, CA |
| 4 | John Nydahl, D.D.S.Saint Cloud, MN |
| 5 | Stephen Cohen, D.D.S.San Francisco, CA |
| 6 | Kevin Bryant, DMDChattanooga, TN |
| 7 | James Russin, DDSBrandon, FL |
| 8 | Joel Glickman, D.M.D.Allentown, PA |
| 9 | Michael Doughty, DMDTemple, TX |
| 10 | David Browning, DDSAtlanta, GA |
| 11 | Luis Chamorro, DMD, MPHCharlotte, NC |
| 12 | Hiran Perinpanayagam, D.D.S., PH.D.Buffalo, NY |
| 13 | Richard Moist, DDSSpringfield, MO |
| 14 | Leonard Chiat, D.D.SPomona, NY |
| 15 | Steven Baker, D.M.D.Lynnwood, WA |
| 16 | Mary Campbell, DDSLa Crosse, WI |
| 17 | Allen Schuster, D.D.S.Fort Worth, TX |
| 18 | Thomas Montagnese, D.D.S.Lorain, OH |
Related Specialties
Adjacent specialties in the NUCC Health Care Provider Taxonomy - same Dentist category.
Frequently Asked Questions
Where does the large Endodontics headcount concentrate?
How large is Endodontics's Open Payments footprint?
How heavy is Endodontics Part D prescribing at scale?
Data sources and methodology
Provider data from CMS NPPES (download.cms.gov/nppes). Specialty classification from NUCC Health Care Provider Taxonomy (nucc.org). Part D averages from the CMS Medicare Part D Prescriber PUF; industry payments from CMS Open Payments 2024. Counts reflect self-designated primary taxonomy at NPI enrollment. PlainDoctor does not rate or rank providers. Methodology · About
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-08-27.