NPPES file of Aug 9, 2026

James Scott Markenson, DDS

General Practice Dentistry · Milwaukee, WI

James Scott Markenson, DDS is a general practice dentistry with a practice address in Milwaukee, Wisconsin, and NPI 1457536815, issued on Jan 4, 2008. Check the license (Wisconsin 3132-15, as entered in NPPES) with the Wisconsin 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
1457536815
Name
James Scott Markenson
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
3132-15 WI
Self-reported in NPPES; status is on the state search
Practice location
7725 N Port Washington RD, Milwaukee, WI 53217
Phone
(414) 351-6300
Enumerated
Jan 4, 2008
Record last updated
Feb 4, 2026
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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8 nearest general practice dentistry records → All 2,305 in Wisconsin → Look up another NPI →

Also registered at 7725 N Port Washington RD

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

  1. Zachary Wehner, DDSGeneral Practice Dentistry1063145316

Verify James Scott Markenson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 3132-15    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 Wisconsin license search

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20% more Medicare Part D claims than the average general practice dentistry in 2024

100 Medicare Part D claims for 56 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. James Markenson100
  2. Specialty average83

Most prescribed

  1. Amoxicillin44 claims
  2. Chlorhexidine Gluconate34 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.

James Scott Markenson among 2,305 general practice dentistry records in Wisconsin

James Scott Markenson, DDS is one of 2,305 general practice dentistry records with a practice address in Wisconsin. 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 2008, is newer than 57% of them.

  • NPI issued2008 · 57% of these records are older, 38% newer
  • In a Medicare fileYes · 57% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2026 · 75% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

General Practice Dentistry providers in Wisconsin

There are 2,305 general practice dentistry records in Wisconsin.

All 2,305 in Wisconsin → Every provider in Milwaukee → General Practice Dentistry nationwide →

The 8 general practice dentistry records with the nearest ZIP codes

  1. M Casper, DDSFox Point, WI 532171679681761
  2. Paul Cotey, D.D.S.Glendale, WI 532171699819722
  3. Nathan Darling, DDSGlendale, WI 532171811074198
  4. Robert Johannes, D.D.S.Milwaukee, WI 532171437271087
  5. Scott Lewis, D.D.S.Glendale, WI 532171609905736
  6. Bridget Mackey, DDSGlendale, WI 532171932266095
  7. Michael Newton, DDSGlendale, WI 532171922120153
  8. Mary Quinn, DDSGlendale, WI 532171346203932

Common questions

What is James Scott Markenson, DDS's NPI number?

James Scott Markenson, DDS's National Provider Identifier (NPI) is 1457536815, issued on Jan 4, 2008. An NPI identifies a provider in billing; it is not a license.

Where is James Scott Markenson, DDS located?

The NPPES record lists a practice address at 7725 N Port Washington RD, Milwaukee, WI, 53217. Phone: (414) 351-6300. Providers update this record themselves, so call before visiting.

How can I verify James Scott Markenson, DDS's license?

NPPES lists Wisconsin license number 3132-15, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does James Scott Markenson, DDS prescribe under Medicare Part D?

In 2024, James Scott Markenson, DDS had 100 Medicare Part D claims for 56 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.