NPPES file of Aug 9, 2026

William Arthur Knutson, O.D.

Optometrist · Schofield, WI

William Arthur Knutson, O.D. is an optometrist with a practice address in Schofield, Wisconsin, and NPI 1790739555, issued on May 19, 2006. Check the license (Wisconsin 1812, 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
1790739555
Name
William Arthur Knutson
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
1812 WI
Self-reported in NPPES; status is on the state search
Practice location
5608 Business Highway 51 S, Schofield, WI 54476
Phone
(715) 359-2020
Enumerated
May 19, 2006
Record last updated
Feb 24, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicaid ID
38518600 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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Verify William Arthur 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 1812    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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Optometrist providers in Wisconsin

There are 1,161 optometrist records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,161 in Wisconsin → Every provider in Schofield →

Other optometrist records in Wisconsin

  1. Katie Abata, O.D.Appleton, WI1043646623
  2. Brianna Adams, ODStoughton, WI1093605222
  3. Gerald Adams, ODWestby, WI1760479182
  4. James AdamsPortage, WI1154007953
  5. Lawrence Addison, O.D.Weston, WI1760794697
  6. Farzana AkterWaupun, WI1346821725
  7. Margarette Elaine Alcesto, ODShorewood, WI1669984563
  8. Robert Alexejun, O.D.Wausau, WI1235275009
  9. Carmen Alfonso-Kneiert, ODFort Atkinson, WI1710938634
  10. Jennifer Alvarez, O.D.Brookfield, WI1316255805

Common questions

What is William Arthur Knutson, O.D.'s NPI number?

William Arthur Knutson, O.D.'s National Provider Identifier (NPI) is 1790739555, issued on May 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Arthur Knutson, O.D. located?

The NPPES record lists a practice address at 5608 Business Highway 51 S, Schofield, WI, 54476. Phone: (715) 359-2020. Providers update this record themselves, so call before visiting.

How can I verify William Arthur Knutson, O.D.'s license?

NPPES lists Wisconsin license number 1812, 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.