NPPES file of Aug 9, 2026

Dennis L. Tregoning, DDS

General Practice Dentistry · Madison, WI

Dennis L. Tregoning, DDS is a general practice dentistry with a practice address in Madison, Wisconsin, and NPI 1619006079, issued on Mar 3, 2007. Check the license (Wisconsin 5001288G, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1619006079
Name
Dennis L. Tregoning
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
5001288G WI
Self-reported in NPPES; status is on the state search
Practice location
7001 Tree LN, Madison, WI 53717
Phone
(608) 833-3557
Enumerated
Mar 3, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 7001 Tree LN

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Neema Jahdi, D.M.DGeneral Practice Dentistry1427341122
  2. Priya Shah, DMDGeneral Practice Dentistry1225721418

Verify Dennis L. Tregoning in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 5001288G
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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49% fewer Medicare Part D claims than the average general practice dentistry in 2024

42 Medicare Part D claims for 21 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. Dennis Tregoning42
  2. Specialty average83

Most prescribed

  1. Amoxicillin34 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Dennis L. Tregoning among 2,305 general practice dentistry records in Wisconsin

Dennis L. Tregoning, DDS is one of 2,305 general practice dentistry records with a practice address in Wisconsin. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 33% of them.

  • NPI issued2007 · 33% of these records are older, 43% newer
  • In a Medicare fileYes · 57% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 75% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

General Practice Dentistry providers in Wisconsin

There are 2,305 general practice dentistry records in Wisconsin.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Robert Bradley, D.D.S.Madison, WI 537171770604936
  2. Terrance Donnelly, DDSMadison, WI 537171851343362
  3. Michael Grode, DDSMadison, WI 537171942257480
  4. Jana Gyurina, D.D.S.Madison, WI 537171376617340
  5. Brian Hopp, DDSMadison, WI 537171679527170
  6. Neema Jahdi, D.M.DMadison, WI 537171427341122
  7. Rosemary Jones, DDSMadison, WI 537171780622936
  8. Timothy Mc Conville, DDSMadison, WI 537171366480535

Common questions

What is Dennis L. Tregoning, DDS's NPI number?

Dennis L. Tregoning, DDS's National Provider Identifier (NPI) is 1619006079, issued on Mar 3, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Dennis L. Tregoning, DDS located?

The NPPES record lists a practice address at 7001 Tree LN, Madison, WI, 53717. Phone: (608) 833-3557. Providers update this record themselves, so call before visiting.

How can I verify Dennis L. Tregoning, DDS's license?

NPPES lists Wisconsin license number 5001288G, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Dennis L. Tregoning, DDS prescribe under Medicare Part D?

In 2024, Dennis L. Tregoning, DDS had 42 Medicare Part D claims for 21 beneficiaries; the average among general practice dentistry prescribers was 83. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

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.