NPPES file of Aug 9, 2026

Peter Lotowski, DMD

Dentist · Sun Prairie, WI

Peter Lotowski, DMD is a dentist with a practice address in Sun Prairie, Wisconsin, and NPI 1548697659, issued on Oct 3, 2013. Check the license (Wisconsin 1000958-15, 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
1548697659
Name
Peter Lotowski
Credential
DMD
Primary taxonomy
Dentist 122300000X
License number
1000958-15 WI
Self-reported in NPPES; status is on the state search
Practice location
1260 W Main St, Sun Prairie, WI 53590
Phone
(608) 834-6321
Enumerated
Oct 3, 2013
Record last updated
Jun 11, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(608) 834-6321
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 1260 W Main St

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

  1. James Amstadt, D.D.S.General Practice Dentistry1982636353

Verify Peter Lotowski 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 1000958-15
    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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51% fewer Medicare Part D claims than the average dentist in 2024

42 Medicare Part D claims for 22 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Peter Lotowski42
  2. Specialty average86

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.

19 dentist records list a practice address in Sun Prairie

They are 19 of the 485 NPPES records with a practice address in Sun Prairie, and 1,750 dentist records in Wisconsin.

Other dentist records in Wisconsin

  1. Buhisa AbdelkafiRacine, WI1881383586
  2. Hooman Abdolisereshki, DDSPlymouth, WI1619369279
  3. Megan Abell, DDSMadison, WI1346477361
  4. Matthew Abraham, DDSLadysmith, WI1912350448
  5. Nicolas Abujamra, DDS, MSGreen Bay, WI1720123201
  6. Guillermo Aceves, DDSJanesville, WI1447090766
  7. Amber Ackerman, DMDMount Horeb, WI1497646509
  8. Erica Adams, DMDMadison, WI1275101909
  9. Hala Afifa, DDSMilwaukee, WI1891363198
  10. Aarushi Agarwal, DMDMadison, WI1841977717

Common questions

What is Peter Lotowski, DMD's NPI number?

Peter Lotowski, DMD's National Provider Identifier (NPI) is 1548697659, issued on Oct 3, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Peter Lotowski, DMD located?

The NPPES record lists a practice address at 1260 W Main St, Sun Prairie, WI, 53590. Phone: (608) 834-6321. Providers update this record themselves, so call before visiting.

How can I verify Peter Lotowski, DMD's license?

NPPES lists Wisconsin license number 1000958-15, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Peter Lotowski, DMD prescribe under Medicare Part D?

In 2024, Peter Lotowski, DMD had 42 Medicare Part D claims for 22 beneficiaries; the average among dentist prescribers was 86. 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.