Periodontics providers in the U.S.
6,622 NPPES records list periodontics as their primary taxonomy, about 2.0 per 100,000 residents; Massachusetts and District of Columbia have the most per resident. 4,191 of them appear in the Medicare Part D prescriber file: a registry record is not proof of an active practice.
What taxonomy code 1223P0300X means
1223P0300X is the National Uniform Claim Committee code for Dentist, Periodontics, in the grouping Dental Providers. 6,622 NPPES records list it as their primary taxonomy (file of Aug 9, 2026).
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.
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
Source: CMS NPPES, primary taxonomy 1223P0300X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.
New York has the most, 170
Source: CMS NPPES, primary taxonomy 1223P0300X by practice city, file of Aug 9, 2026.
All 51 by state
| State | Records | Per 100,000 |
|---|---|---|
| Alabama | 59 | 1.2 |
| Alaska | 8 | 1.1 |
| Arizona | 122 | 1.6 |
| Arkansas | 21 | 0.7 |
| California | 929 | 2.4 |
| Colorado | 134 | 2.3 |
| Connecticut | 117 | 3.2 |
| Delaware | 16 | 1.6 |
| District of Columbia | 26 | 3.8 |
| Florida | 487 | 2.2 |
| Georgia | 170 | 1.5 |
| Hawaii | 39 | 2.7 |
| Idaho | 19 | 1.0 |
| Illinois | 214 | 1.7 |
| Indiana | 74 | 1.1 |
| Iowa | 49 | 1.5 |
| Kansas | 45 | 1.5 |
| Kentucky | 78 | 1.7 |
| Louisiana | 61 | 1.3 |
| Maine | 23 | 1.6 |
| Maryland | 167 | 2.7 |
| Massachusetts | 390 | 5.6 |
| Michigan | 164 | 1.6 |
| Minnesota | 87 | 1.5 |
| Mississippi | 22 | 0.7 |
| Missouri | 69 | 1.1 |
| State | Records | Per 100,000 |
|---|---|---|
| Montana | 13 | 1.1 |
| Nebraska | 29 | 1.5 |
| Nevada | 43 | 1.3 |
| New Hampshire | 39 | 2.8 |
| New Jersey | 291 | 3.1 |
| New Mexico | 22 | 1.0 |
| New York | 565 | 2.9 |
| North Carolina | 159 | 1.5 |
| North Dakota | 5 | 0.6 |
| Ohio | 197 | 1.7 |
| Oklahoma | 52 | 1.3 |
| Oregon | 78 | 1.8 |
| Pennsylvania | 249 | 1.9 |
| Rhode Island | 27 | 2.5 |
| South Carolina | 92 | 1.7 |
| South Dakota | 7 | 0.8 |
| Tennessee | 79 | 1.1 |
| Texas | 486 | 1.6 |
| Utah | 43 | 1.3 |
| Vermont | 11 | 1.7 |
| Virginia | 214 | 2.5 |
| Washington | 184 | 2.4 |
| West Virginia | 17 | 1.0 |
| Wisconsin | 69 | 1.2 |
| Wyoming | 5 | 0.9 |
In federal data
- NUCC code1223P0300X · Dentist
- Size rank118th of 688 specialties by records (0.09% of all)
- In its family7th of 14 Dentist codes, 2.4% of the family
- Part D prescribers4,191 (63.3% of records)
- Part D claims277 a year per prescriber, on average (241st of 496)
- Industry payments2,966 physicians paid $4.0M in 2024, $1K each on average
- Concentration7 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 periodontics records
- Christine Melch, DDS, MSElmendorf Afb, AK1699135400
- Richard Hill, DDSAnchorage, AK1134595804
- Douglas Boyce, D.D.S.Anchorage, AK1164432548
- Robert Holt, D.D.S.Anchorage, AK1588811426
- Thomas Wanat, D.M.D., M.S.Anchorage, AK1003278698
- Andrew Stanya, D.D.S., M.S.Fairbanks, AK1548323710
- Melissa Webster, DMDFairbanks, AK1053550400
- Aaron Pfaff, DDSFt Wainwright, AK1205067840
- Laura Popa, DMDCullman, AL1023796216
- Tracy Mayfield, DMD PHDHelena, AL1598872715
- Andrew Duckett, D.M.D.Birmingham, AL1497835391
- James Roberts, D.M.DBirmingham, AL1962576413
- Leigh Kent, DDS, PHDBirmingham, AL1518981703
- Maria Geisinger, DDSBirmingham, AL1396947818
- Alvin Stevens, D.M.D.Birmingham, AL1013935980
- Matthew LitzBirmingham, AL1134314289
Registry order, not a ranking. Search by name to find one provider.
Common questions
Where does the large Periodontics headcount concentrate?
6,622 Periodontics NPIs span 53 states; California alone holds 929. Top metros include New York, NY; Boston, MA; Houston, TX; Los Angeles, CA. Nationally this is 118th of 688 NUCC codes.
How large is Periodontics's Open Payments footprint?
CMS Open Payments 2024 lists 2,966 Periodontics physicians totaling $4.0M (14,148 payments; average $1K, 198th of 470). Presence in Open Payments is not a quality judgment.
How heavy is Periodontics Part D prescribing at scale?
Among Periodontics NPIs, 4,191 appear in the Medicare Part D Prescriber PUF (average 277 claims and $2K drug cost per prescriber; 241st 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.