NPPES file of Aug 9, 2026

Mark Joseph Karpman, D.D.S.

Endodontics · Smithtown, NY

Mark Joseph Karpman, D.D.S. is an endodontics with a practice address in Smithtown, New York, and NPI 1134251556, issued on Mar 12, 2007. Check the license (New York 034788, as entered in NPPES) with the New York 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
1134251556
Name
Mark Joseph Karpman
Credential
D.D.S.
Primary taxonomy
Endodontics 1223E0200X
License numbers
034788 NY
DDS 39022 CA
Self-reported in NPPES; status is on the state search
Practice location
285 E Main St Ste 206, Smithtown, NY 11787
Phone
(631) 265-6161
Enumerated
Mar 12, 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 285 E Main St Ste 206

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

  1. Stephanie Tran, D.D.S.Endodontics1164784260

Verify Mark Joseph Karpman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 034788
    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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64% fewer Medicare Part D claims than the average endodontics in 2024

43 Medicare Part D claims for 33 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Mark Karpman43
  2. Specialty average121

Most prescribed

  1. Azithromycin14 claims
  2. Clindamycin Hcl14 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.

Mark Joseph Karpman among 483 endodontics records in New York

Mark Joseph Karpman, D.D.S. is one of 483 endodontics records with a practice address in New York. 60% 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 22% of them.

  • NPI issued2007 · 22% of these records are older, 43% newer
  • In a Medicare fileYes · 60% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 78% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endodontics providers in New York

There are 483 endodontics records in New York.

The 8 endodontics records with the nearest ZIP codes

  1. Michael Cohen, DDSSmithtown, NY 117871770637241
  2. Joseph Dibernardo, DDSSmithtown, NY 117871497988752
  3. Stephanie Tran, D.D.S.Smithtown, NY 117871164784260
  4. Steven Blonder, DDSHauppauge, NY 117881174547921
  5. Jerome Cymerman, D.M.D.Stony Brook, NY 117901184709123
  6. Anthony Disanti, DDSSelden, NY 117841699861724
  7. Brian McCormack, DDSStony Brook, NY 117901619110996
  8. Rita O'Dwyer, DDSStony Brook, NY 117901114450327

Common questions

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

Mark Joseph Karpman, D.D.S.'s National Provider Identifier (NPI) is 1134251556, issued on Mar 12, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mark Joseph Karpman, D.D.S. located?

The NPPES record lists a practice address at 285 E Main St Ste 206, Smithtown, NY, 11787. Phone: (631) 265-6161. Providers update this record themselves, so call before visiting.

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

NPPES lists New York license number 034788, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

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

In 2024, Mark Joseph Karpman, D.D.S. had 43 Medicare Part D claims for 33 beneficiaries; the average among endodontics prescribers was 121. 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.