NPPES file of Aug 9, 2026

Vassilis K. Panagopoulos, DDS

General Practice Dentistry · Waukesha, WI

Vassilis K. Panagopoulos, DDS is a general practice dentistry with a practice address in Waukesha, Wisconsin, and NPI 1093978819, issued on Jul 2, 2008. Check the license (Wisconsin 6265, 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
1093978819
Name
Vassilis K. Panagopoulos
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
6265 WI
Self-reported in NPPES; status is on the state search
Practice location
20855 Watertown RD Ste 120, Waukesha, WI 53186
Phone
(262) 717-9104
Enumerated
Jul 2, 2008
Record last updated
Jul 21, 2022
Fax
(262) 717-9105
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 20855 Watertown RD Ste 120

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

  1. Megan Panagopoulos, D.D.S.Dentist1891921417

Verify Vassilis K. Panagopoulos 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 6265
    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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23% more Medicare Part D claims than the average general practice dentistry in 2024

102 Medicare Part D claims for 73 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. Vassilis Panagopoulos102
  2. Specialty average83

Most prescribed

  1. Chlorhexidine Gluconate59 claims
  2. Sodium Fluoride14 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.

Vassilis K. Panagopoulos among 2,305 general practice dentistry records in Wisconsin

Vassilis K. Panagopoulos, 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 updated2022 · 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).

45 general practice dentistry records list a practice address in Waukesha

They are 45 of the 2,814 NPPES records with a practice address in Waukesha, and 2,305 general practice dentistry records in Wisconsin.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Dennis Abere, DDSWaukesha, WI 531861962585281
  2. Joseph Fahl, D.D.S.Waukesha, WI 531861912070566
  3. Joseph GrayWaukesha, WI 531861992861371
  4. Michael Lafratta, D.D.S.Waukesha, WI 531861871612903
  5. James LudkeWaukesha, WI 531861316003924
  6. Vincent McAvoy, D.D.S.Waukesha, WI 531861588792055
  7. James Murphy, D.D.S.Waukesha, WI 531861669591780
  8. Gerald Petersen, D.D.S.Waukesha, WI 531861194922575

Common questions

What is Vassilis K. Panagopoulos, DDS's NPI number?

Vassilis K. Panagopoulos, DDS's National Provider Identifier (NPI) is 1093978819, issued on Jul 2, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Vassilis K. Panagopoulos, DDS located?

The NPPES record lists a practice address at 20855 Watertown RD Ste 120, Waukesha, WI, 53186. Phone: (262) 717-9104. Providers update this record themselves, so call before visiting.

How can I verify Vassilis K. Panagopoulos, DDS's license?

NPPES lists Wisconsin license number 6265, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Vassilis K. Panagopoulos, DDS prescribe under Medicare Part D?

In 2024, Vassilis K. Panagopoulos, DDS had 102 Medicare Part D claims for 73 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.