NPPES file of Aug 9, 2026

Mason Klerks, DMD

Dentist · Attleboro, MA

Mason Klerks, DMD is a dentist with a practice address in Attleboro, Massachusetts, and NPI 1346923976, issued on Aug 10, 2023. Check the license (Massachusetts DN1859903, as entered in NPPES) with the Massachusetts 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
1346923976
Name
Mason Klerks
Credential
DMD
Primary taxonomy
Dentist 122300000X
License number
DN1859903 MA
Self-reported in NPPES; status is on the state search
Practice location
228 Washington St Ste A-140, Attleboro, MA 02703
Phone
(774) 206-5592
Enumerated
Aug 10, 2023
Record last updated
Aug 10, 2023
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 228 Washington St Ste A-140

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

  1. John Kounsalieh, DMDOral and Maxillofacial Surgery (Dentist)1043709280
  2. Rashil Madan, DMD, MSGeneral Practice Dentistry1962027359
  3. Michael MoyDentist1023871852

Verify Mason Klerks in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license DN1859903
    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 Massachusetts license search

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59% fewer Medicare Part D claims than the average dentist in 2024

35 Medicare Part D claims for 28 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.

  1. Mason Klerks35
  2. Specialty average86

Most prescribed

  1. Amoxicillin17 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.

16 dentist records list a practice address in Attleboro

They are 16 of the 1,239 NPPES records with a practice address in Attleboro, and 2,934 dentist records in Massachusetts.

Other dentist records in Massachusetts

  1. Asli Aban Tiltay, DMDSaugus, MA1174328785
  2. Firas AbbasBoston, MA1093577603
  3. Hebatallah Abbas, DMDArlington, MA1679923809
  4. Selda AbbasianNew Bedford, MA1700690708
  5. Roya Abbott, D.M.D.Hudson, MA1891712550
  6. Micheal Abboud, DMDQuincy, MA1336781533
  7. Muhammad Abdel-Rahim, DMDIndian Orchard, MA1548589690
  8. Abdalla AbdelaalAdams, MA1528991668
  9. Jehad Abdelgader, DLLNorth Adams, MA1841027158
  10. Shimaa AbdelhadyQuincy, MA1013849694

Common questions

What is Mason Klerks, DMD's NPI number?

Mason Klerks, DMD's National Provider Identifier (NPI) is 1346923976, issued on Aug 10, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Mason Klerks, DMD located?

The NPPES record lists a practice address at 228 Washington St Ste A-140, Attleboro, MA, 02703. Phone: (774) 206-5592. Providers update this record themselves, so call before visiting.

How can I verify Mason Klerks, DMD's license?

NPPES lists Massachusetts license number DN1859903, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Mason Klerks, DMD prescribe under Medicare Part D?

In 2024, Mason Klerks, DMD had 35 Medicare Part D claims for 28 beneficiaries; the average among dentist prescribers was 86. 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.