NPPES file of Aug 9, 2026

Stephen Markowitz, D.M.D

General Practice Dentistry · Leominster, MA

Stephen Markowitz, D.M.D is a general practice dentistry with a practice address in Leominster, Massachusetts, and NPI 1245525641, issued on Jun 14, 2011. Check the license (Massachusetts DN1855677, 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
1245525641
Name
Stephen Markowitz
Credential
D.M.D
Primary taxonomy
General Practice Dentistry 1223G0001X
License numbers
DN1855677 MA
1855677 MA
Self-reported in NPPES; status is on the state search
Practice location
81 West St, Leominster, MA 01453
Phone
(978) 534-9216
Enumerated
Jun 14, 2011
Record last updated
Jun 11, 2019 (not updated in 7 years: call before relying on the address or phone)
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. Howard Markowitz, D.D.S.General Practice Dentistry1023079829
  5. Michael Richler, DMDPediatric Dentistry1013200641
  6. Anya Turker, D.M.D.General Practice Dentistry1194787887

Verify Stephen 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 DN1855677
    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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84% fewer Medicare Part D claims than the average general practice dentistry in 2024

13 Medicare Part D claims, 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. Stephen Markowitz13
  2. Specialty average83

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: $122.62

5 payments; by number, the most common kind was food and beverage; the largest payer was Dentsply Sirona 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. Stephen Markowitz$122.62
  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.

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.

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 Stephen Markowitz, D.M.D's NPI number?

Stephen Markowitz, D.M.D's National Provider Identifier (NPI) is 1245525641, issued on Jun 14, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Markowitz, D.M.D 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 Stephen Markowitz, D.M.D's license?

NPPES lists Massachusetts license number DN1855677, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Stephen Markowitz, D.M.D prescribe under Medicare Part D?

In 2024, Stephen Markowitz, D.M.D had 13 Medicare Part D claims; 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.