NPPES file of Aug 9, 2026

Endodontics providers in the U.S.

6,699 NPPES records list endodontics as their primary taxonomy, about 2.0 per 100,000 residents; Massachusetts and District of Columbia have the most per resident. 4,119 of them appear in the Medicare Part D prescriber file: a registry record is not proof of an active practice.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 1223E0200X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

What taxonomy code 1223E0200X means

1223E0200X is the National Uniform Claim Committee code for Dentist, Endodontics, in the grouping Dental Providers. 6,699 NPPES records list it as their primary taxonomy (file of Aug 9, 2026).

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.

Source: NUCC Health Care Provider Taxonomy code set, definition as NUCC publishes it (nucc.org); counts from CMS NPPES.

Most per resident: the 8 highest

  1. Massachusetts3.9
  2. District of Columbia3.8
  3. Washington2.9
  4. New Hampshire2.8
  5. Maryland2.7
  6. Oregon2.7
  7. California2.6
  8. Hawaii2.6
  9. 50 states and D.C.2.0

Source: CMS NPPES, primary taxonomy 1223E0200X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

New York has the most, 140

  1. New York, NY140
  2. Houston, TX72
  3. Boston, MA66
  4. San Diego, CA54
  5. San Francisco, CA51
  6. Chicago, IL50
  7. Philadelphia, PA48
  8. Los Angeles, CA45

Source: CMS NPPES, primary taxonomy 1223E0200X by practice city, file of Aug 9, 2026.

All 51 by state

StateRecordsPer 100,000
Alabama761.5
Alaska172.3
Arizona1492.0
Arkansas220.7
California1,0182.6
Colorado1402.4
Connecticut922.5
Delaware141.4
District of Columbia263.8
Florida5102.3
Georgia1541.4
Hawaii382.6
Idaho341.7
Illinois2141.7
Indiana921.3
Iowa541.7
Kansas511.7
Kentucky561.2
Louisiana721.6
Maine171.2
Maryland1652.7
Massachusetts2763.9
Michigan1761.8
Minnesota1061.8
Mississippi260.9
Missouri771.2
StateRecordsPer 100,000
Montana191.7
Nebraska321.6
Nevada632.0
New Hampshire392.8
New Jersey2282.5
New Mexico341.6
New York4832.5
North Carolina1841.7
North Dakota81.0
Ohio1861.6
Oklahoma431.1
Oregon1132.7
Pennsylvania2461.9
Rhode Island161.5
South Carolina941.7
South Dakota131.4
Tennessee1051.5
Texas4601.5
Utah591.7
Vermont91.4
Virginia1892.2
Washington2242.9
West Virginia311.8
Wisconsin831.4
Wyoming50.9

In federal data

  • NUCC code1223E0200X · Dentist
  • Size rank117th of 688 specialties by records (0.09% of all)
  • In its family6th of 14 Dentist codes, 2.5% of the family
  • Part D prescribers4,119 (61.5% of records)
  • Part D claims121 a year per prescriber, on average (325th of 496)
  • Industry payments2,057 physicians paid $102.3M in 2024, $50K each on average
  • Concentration8 states hold half of all records

Source: CMS NPPES; Medicare Part D Prescriber PUF; CMS Open Payments 2024. Presence in these files is not a quality judgment.

A sample of endodontics records

  1. Richard Vanderweele, D.M.D.Elmendorf Afb, AK1992794804
  2. Jared Cardon, D.D.S.Jber, AK1083605711
  3. Heather Sulte, D.D.S., M.S.Anchorage, AK1780805838
  4. Orest Harkacz, DDSAnchorage, AK1699764670
  5. Michael Mauger, DMDAnchorage, AK1326103383
  6. Michael Mark, DDSAnchorage, AK1477618445
  7. Douglas Luiten, D.M.D.Anchorage, AK1952521346
  8. John Jeppson, DDSAnchorage, AK1265662936
  9. Ryan Baker, D.M.DAnchorage, AK1386962629
  10. Bracken Smith, D.M.D.Anchorage, AK1447663083
  11. Matthew Mauger, DMDAnchorage, AK1316339526
  12. James OlsenAnchorage, AK1639538697
  13. Darin Anderson, DMDAnchorage, AK1649221128
  14. Jess Ellis, DDS, MSAnchorage, AK1740430586
  15. Jelena Seibold, DDSWasilla, AK1083710438
  16. Daniel Keir, D.D.S.Fairbanks, AK1508921925

Registry order, not a ranking. Search by name to find one provider.

Common questions

Where does the large Endodontics headcount concentrate?

6,699 Endodontics NPIs span 54 states; California alone holds 1,018. Top metros include New York, NY; Houston, TX; Boston, MA; San Diego, CA. Nationally this is 117th of 688 NUCC codes.

How large is Endodontics's Open Payments footprint?

CMS Open Payments 2024 lists 2,057 Endodontics physicians totaling $102.3M (6,723 payments; average $50K, 6th of 470). Presence in Open Payments is not a quality judgment.

How heavy is Endodontics Part D prescribing at scale?

Among Endodontics NPIs, 4,119 appear in the Medicare Part D Prescriber PUF (average 121 claims and $618 drug cost per prescriber; 325th of 496 specialties by average claims). Non-prescribing clinicians in the same NUCC code are still in NPPES.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy (nucc.org); Medicare Part D Prescriber PUF; CMS Open Payments 2024. Counts are self-designated primary taxonomy, not board certification.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.