NPPES file of Aug 9, 2026

Errin J. Pfeifer, DMD

General Practice Dentistry · Madison, WI

Errin J. Pfeifer, DMD is a general practice dentistry with a practice address in Madison, Wisconsin, and NPI 1467425975, issued on Feb 7, 2006. Check the license (Wisconsin 6100-15, 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
1467425975
Name
Errin J. Pfeifer
Credential
DMD
Primary taxonomy
General Practice Dentistry 1223G0001X
License numbers
6100-15 WI
D8152 OR
Self-reported in NPPES; status is on the state search
Practice location
3434 E. Washington Ave., Madison, WI 53704
Phone
(608) 443-5482
Enumerated
Feb 7, 2006
Record last updated
Apr 10, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(608) 443-5570
Medicaid ID
33811100 WI
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 3434 E. Washington Ave.

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

  1. Robert Brooks, DDSGeneral Practice Dentistry1396927711
  2. Paula Duszynski, DDSPublic Health Dentistry1215118443
  3. Kevin Fehr, MDFamily Medicine Physician1245337310
  4. Abdulcadir Sido, DDSGeneral Practice Dentistry1093859225
  5. Demetra Sifakis, DDSDentist1689883548
  6. Walter Thomas, DDSGeneral Practice Dentistry1649378217

Verify Errin J. Pfeifer 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 6100-15
    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
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55% fewer Medicare Part D claims than the average general practice dentistry in 2024

37 Medicare Part D claims for 25 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. Errin Pfeifer37
  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.

Errin J. Pfeifer among 2,305 general practice dentistry records in Wisconsin

Errin J. Pfeifer, DMD 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 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 67% 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 updated2012 · 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.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Roy Baird, DDSMadison, WI 537041851406722
  2. John Berryman, DDSMadison, WI 537041114056561
  3. Robert Brooks, DDSMadison, WI 537041396927711
  4. Charles Enwald, DDSMadison, WI 537041912919010
  5. Frederick Gilbert, DDSMadison, WI 537041346211216
  6. Joseph Jacquinot, DDSMadison, WI 537041033321492
  7. Oliver KeeferMadison, WI 537041598822652
  8. Daniel McKinney, D.D.S.Madison, WI 537041780689216

Common questions

What is Errin J. Pfeifer, DMD's NPI number?

Errin J. Pfeifer, DMD's National Provider Identifier (NPI) is 1467425975, issued on Feb 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Errin J. Pfeifer, DMD located?

The NPPES record lists a practice address at 3434 E. Washington Ave., Madison, WI, 53704. Phone: (608) 443-5482. Providers update this record themselves, so call before visiting.

How can I verify Errin J. Pfeifer, DMD's license?

NPPES lists Wisconsin license number 6100-15, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Errin J. Pfeifer, DMD prescribe under Medicare Part D?

In 2024, Errin J. Pfeifer, DMD had 37 Medicare Part D claims for 25 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.

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.