NPPES file of Aug 9, 2026

Mark Wirant, D.D.S.

General Practice Dentistry · Keene, NH

Mark Wirant, D.D.S. is a general practice dentistry with a practice address in Keene, New Hampshire, and NPI 1801811575, issued on Jul 13, 2006. Check the license (New Hampshire 2349, as entered in NPPES) with the New Hampshire 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
1801811575
Name
Mark Wirant
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
2349 NH
Self-reported in NPPES; status is on the state search
Practice location
650 Court St, Keene, NH 03431
Phone
(603) 352-6431
Enumerated
Jul 13, 2006
Record last updated
Jul 2, 2012 (not updated in 14 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 650 Court St

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

  1. Matthew Cielinski, DMDDentist1548277262
  2. Sean Drower, DMDGeneral Practice Dentistry1023152972
  3. Stephanie Lee, D.M.D.Dentist1891925525
  4. Craig McBeth, D.M.D.General Practice Dentistry1144244864
  5. Gregg Meehan, D.D.S.Oral and Maxillofacial Surgery (Dentist)1376589440
  6. Donald Metivier, DDSGeneral Practice Dentistry1063501955

Verify Mark Wirant in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New Hampshire board licenses this profession
    Search for license 2349
    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
Find the New Hampshire license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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25% fewer Medicare Part D claims than the average general practice dentistry in 2024

62 Medicare Part D claims for 46 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Mark Wirant62
  2. Specialty average83

Most prescribed

  1. Penicillin V Potassium29 claims
  2. Amoxicillin24 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.

Industry payments in 2024: $59.66

3 payments; by number, the most common kind was food and beverage; the largest payer was Zimvie Inc. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Wirant$59.66
  2. Specialty average$597.01

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Mark Wirant among 562 general practice dentistry records in New Hampshire

Mark Wirant, D.D.S. is one of 562 general practice dentistry records with a practice address in New Hampshire. 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 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 58% newer
  • In a Medicare fileYes · 57% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2012 · 72% 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 New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

16 general practice dentistry records list a practice address in Keene

They are 16 of the 1,482 NPPES records with a practice address in Keene, and 562 general practice dentistry records in New Hampshire.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Ridab Alnabhan, DDSKeene, NH 034311649888165
  2. Sean Drower, DMDKeene, NH 034311023152972
  3. Thomas Filip, DMDKeene, NH 034311790918837
  4. Peter Griesbach, DDSKeene, NH 034311871506238
  5. Ayman Jacobs, DMDKeene, NH 034311689727901
  6. Jennifer KwakKeene, NH 034311710680004
  7. Michael Ledoux, D.D.S.Keene, NH 034311932242112
  8. Craig McBeth, D.M.D.Keene, NH 034311144244864

Common questions

What is Mark Wirant, D.D.S.'s NPI number?

Mark Wirant, D.D.S.'s National Provider Identifier (NPI) is 1801811575, issued on Jul 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Wirant, D.D.S. located?

The NPPES record lists a practice address at 650 Court St, Keene, NH, 03431. Phone: (603) 352-6431. Providers update this record themselves, so call before visiting.

How can I verify Mark Wirant, D.D.S.'s license?

NPPES lists New Hampshire license number 2349, as entered by the provider. Search the New Hampshire board that licenses this profession; the NPPES record confirms identity only.

How much does Mark Wirant, D.D.S. prescribe under Medicare Part D?

In 2024, Mark Wirant, D.D.S. had 62 Medicare Part D claims for 46 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.