NPPES file of Aug 9, 2026

Mark R. Knutson, DDS

General Practice Dentistry · Delafield, WI

Mark R. Knutson, DDS is a general practice dentistry with a practice address in Delafield, Wisconsin, and NPI 1255458568, issued on Mar 23, 2007. Check the license (Wisconsin 5001211, as entered in NPPES) with the Wisconsin board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255458568
Name
Mark R. Knutson
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
5001211 WI
Self-reported in NPPES; status is on the state search
Practice location
920 Indian Spring Dr, Delafield, WI 53018
Phone
(262) 646-2771
Enumerated
Mar 23, 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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8 nearest general practice dentistry records → All 2,305 in Wisconsin → Look up another NPI →

Also registered at 920 Indian Spring Dr

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

  1. Ann Brobson, D.D.S.Dentist1093152787
  2. Christopher Potrykus, D.D.S.Dentist1033477765
  3. Tristan Rostagno, DDSDentist1821840604
  4. Cassandra Stamas, DDSDentist1225659352
  5. Thomas Wavernek, DDSGeneral Practice Dentistry1104944743

Verify Mark R. Knutson 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 5001211    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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Mark R. Knutson among 2,305 general practice dentistry records in Wisconsin

Mark R. Knutson, 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 not. Its NPI, issued in 2007, is newer than 33% of them.

  • NPI issued2007 · 33% of these records are older, 43% newer
  • In a Medicare fileNo · 57% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 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).

5 general practice dentistry records list a practice address in Delafield

They are 5 of the 174 NPPES records with a practice address in Delafield, and 2,305 general practice dentistry records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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

The 8 general practice dentistry records with the nearest ZIP codes

  1. Michelle Kelly, D.D.S.Delafield, WI 530181245215920
  2. Thomas Kielma, D.D.S.Delafield, WI 530181982763983
  3. Christopher VisayaDelafield, WI 530181821146473
  4. Thomas Wavernek, DDSDelafield, WI 530181104944743
  5. Karla Poth, DDSFredonia, WI 530211134267552
  6. John Poth, DDSFredonia, WI 530211285772608
  7. Michael Baus, D.D.S.Chilton, WI 530141780081083
  8. Christopher Berkers, DMDChilton, WI 530141790814135

Common questions

What is Mark R. Knutson, DDS's NPI number?

Mark R. Knutson, DDS's National Provider Identifier (NPI) is 1255458568, issued on Mar 23, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mark R. Knutson, DDS located?

The NPPES record lists a practice address at 920 Indian Spring Dr, Delafield, WI, 53018. Phone: (262) 646-2771. Providers update this record themselves, so call before visiting.

How can I verify Mark R. Knutson, DDS's license?

NPPES lists Wisconsin license number 5001211, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity 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. 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.