NPPES file of Aug 9, 2026

Karen Marie Knudsen, FNP - C

Family Nurse Practitioner · Canton, SD

Karen Marie Knudsen, FNP - C is a family nurse practitioner with a practice address in Canton, South Dakota, and NPI 1053167973, issued on Apr 30, 2024. Check the license (South Dakota CP003169, as entered in NPPES) with the South Dakota 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
1053167973
Name
Karen Marie Knudsen
Credential
FNP - C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
CP003169 SD
Self-reported in NPPES; status is on the state search
Practice location
1010 E 2ND St, Canton, SD 57013
Phone
(605) 987-5659
Enumerated
Apr 30, 2024
Record last updated
Apr 30, 2024
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 1010 E 2ND St

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

  1. Robert Perkinson, PH.D.Psychologist1659425254

Verify Karen Marie Knudsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich South Dakota board licenses this profession
    Search for license CP003169
    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 South Dakota license search

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99% fewer Medicare Part D claims than the average family nurse practitioner in 2024

14 Medicare Part D claims, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Karen Knudsen14
  2. Specialty average1,305

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.

4 family nurse practitioner records list a practice address in Canton

They are 4 of the 48 NPPES records with a practice address in Canton, and 862 family nurse practitioner records in South Dakota.

Other family nurse practitioner records in South Dakota

  1. Katie Aase, FNP-CCanton, SD1982535100
  2. Carletta Aberle, CNPMcLaughlin, SD1396938197
  3. Kali Aberle, CNPMcLaughlin, SD1639506181
  4. Michelle Abraham, CNPSioux Falls, SD1851677280
  5. Kathryn Adams, CNPSioux Falls, SD1437668027
  6. Julia AdeeBrookings, SD1366215154
  7. Cassandra AesophAberdeen, SD1225698723
  8. McKaela Aghbashian, CNPRapid City, SD1407534332
  9. Emily Ahlers, CNPSioux Falls, SD1841851086
  10. Amy Albrecht, CNPHuron, SD1386015535

Common questions

What is Karen Marie Knudsen, FNP - C's NPI number?

Karen Marie Knudsen, FNP - C's National Provider Identifier (NPI) is 1053167973, issued on Apr 30, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Karen Marie Knudsen, FNP - C located?

The NPPES record lists a practice address at 1010 E 2ND St, Canton, SD, 57013. Phone: (605) 987-5659. Providers update this record themselves, so call before visiting.

How can I verify Karen Marie Knudsen, FNP - C's license?

NPPES lists South Dakota license number CP003169, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.

How much does Karen Marie Knudsen, FNP - C prescribe under Medicare Part D?

In 2024, Karen Marie Knudsen, FNP - C had 14 Medicare Part D claims; the average among family nurse practitioner prescribers was 1,305. 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.