NPPES file of Aug 9, 2026

Karsyn Harmsen, DC

Chiropractor · Sioux Center, IA

Karsyn Harmsen, DC is a chiropractor with a practice address in Sioux Center, Iowa, and NPI 1093560419, issued on Apr 19, 2024. Check the license (Iowa 124162, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1093560419
Name
Karsyn Harmsen
Credential
DC
Primary taxonomy
Chiropractor 111N00000X
License number
124162 IA
Self-reported in NPPES; status is on the state search
Practice location
81 W 1St St, Sioux Center, IA 51250
Phone
(712) 722-0788
Enumerated
Apr 19, 2024
Record last updated
Aug 8, 2024
Medicare enrollment
Enrolled (PECOS I20240819001053); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 81 W 1St St

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

  1. Tiffany Armstrong, D.C.Chiropractor1053792523
  2. Tyler Armstrong, D.C.Chiropractor1750782868

Verify Karsyn Harmsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this profession
    Search for license 124162
    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 Iowa license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Sioux Center Chiropractic Wellness And Clinic PCSioux Center, IA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Karsyn Harmsen among 2,019 chiropractor records in Iowa

Karsyn Harmsen, DC is one of 2,019 chiropractor records with a practice address in Iowa. 21% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 94% of them.

  • NPI issued2024 · 94% of these records are older, 3% newer
  • In a Medicare fileYes · 21% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2024 · median 2007 among the 1,145 with a school on file
  • Record last updated2024 · 71% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111N00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

8 chiropractor records list a practice address in Sioux Center

They are 8 of the 146 NPPES records with a practice address in Sioux Center, and 2,019 chiropractor records in Iowa.

The 8 chiropractor records with the nearest ZIP codes

  1. Tyler Armstrong, D.C.Sioux Center, IA 512501750782868
  2. Tiffany Armstrong, D.C.Sioux Center, IA 512501053792523
  3. Drew Ebel, D.C.Sioux Center, IA 512501790143220
  4. Gerald Isakson, DCSioux Center, IA 512501629019435
  5. Derek Kosters, D.C.Sioux Center, IA 512501205171915
  6. Steven KragtSioux Center, IA 512501215909858
  7. Clayton Schoellerman, D.C.Sioux Center, IA 512501003103318
  8. Brandon Rusche, D.C.Sibley, IA 512491891878385

Common questions

What is Karsyn Harmsen, DC's NPI number?

Karsyn Harmsen, DC's National Provider Identifier (NPI) is 1093560419, issued on Apr 19, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Karsyn Harmsen, DC located?

The NPPES record lists a practice address at 81 W 1St St, Sioux Center, IA, 51250. Phone: (712) 722-0788. Providers update this record themselves, so call before visiting.

How can I verify Karsyn Harmsen, DC's license?

NPPES lists Iowa license number 124162, as entered by the provider. Search the Iowa 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. 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.