NPPES file of Aug 9, 2026

Howard S. Markowitz, D.D.S.

General Practice Dentistry · Leominster, MA

Howard S. Markowitz, D.D.S. is a general practice dentistry with a practice address in Leominster, Massachusetts, and NPI 1023079829, issued on Mar 31, 2006. Check the license (Massachusetts 15609, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1023079829
Name
Howard S. Markowitz
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
15609 MA
Self-reported in NPPES; status is on the state search
Practice location
81 West St, Leominster, MA 01453
Phone
(978) 534-9216
Enumerated
Mar 31, 2006
Record last updated
Jul 13, 2026
Fax
(978) 537-6931
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 81 West St

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

  1. Daniel Carlozzi, DMDGeneral Practice Dentistry1295262285
  2. Grace Donoghue, DMDGeneral Practice Dentistry1326076423
  3. Allison Hopkinson, D.M.D.General Practice Dentistry1033524806
  4. Stephen Markowitz, D.M.DGeneral Practice Dentistry1245525641
  5. Michael Richler, DMDPediatric Dentistry1013200641
  6. Anya Turker, D.M.D.General Practice Dentistry1194787887

Verify Howard S. Markowitz 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 15609
    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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33 general practice dentistry records list a practice address in Leominster

They are 33 of the 1,151 NPPES records with a practice address in Leominster, and 3,489 general practice dentistry records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other general practice dentistry records in Massachusetts

  1. Mark Aaron, DMDGreat Barrington, MA1902020902
  2. Heidi Aaronson, D.M.D.Wellesley, MA1134375652
  3. Jamil Abbasy, DMDSouthampton, MA1992988026
  4. Sama Abdul-Aziz, DMDBoston, MA1427543610
  5. Muhannad AbdulghaniBrockton, MA1326806654
  6. Noor AbdulkareemQuincy, MA1932809662
  7. Asma AbdullahShrewsbury, MA1225301237
  8. Abdulaziz Abdulwahed, BDSBoston, MA1730637414
  9. Sabahat Abernethy, DMD, CAGSAbington, MA1518089903
  10. Rana Abood, DMDBoston, MA1376660936

Common questions

What is Howard S. Markowitz, D.D.S.'s NPI number?

Howard S. Markowitz, D.D.S.'s National Provider Identifier (NPI) is 1023079829, issued on Mar 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Howard S. Markowitz, D.D.S. located?

The NPPES record lists a practice address at 81 West St, Leominster, MA, 01453. Phone: (978) 534-9216. Providers update this record themselves, so call before visiting.

How can I verify Howard S. Markowitz, D.D.S.'s license?

NPPES lists Massachusetts license number 15609, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity 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. 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.