NPPES file of Aug 9, 2026

Elizabeth Ellen Siefken, D.C.

Chiropractor · Peosta, IA

Elizabeth Ellen Siefken, D.C. is a chiropractor with a practice address in Peosta, Iowa, and NPI 1073742276, issued on Jul 8, 2009. Check the license (Iowa 007221, as entered in NPPES) with the Iowa 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
1073742276
Name
Elizabeth Ellen Siefken
Credential
D.C.
Primary taxonomy
Chiropractor 111N00000X
License number
007221 IA
Self-reported in NPPES; status is on the state search
Practice location
8558 Kapp Dr, Peosta, IA 52068
Phone
(563) 552-7236
Enumerated
Jul 8, 2009
Record last updated
Jun 4, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20090825000575); accepts Medicare assignment
Medical or professional school
Palmer College Chiropractic - Davenport, 2008
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 8558 Kapp Dr

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

  1. Austin Reed, DDSDentist1790873263

Verify Elizabeth Ellen Siefken 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 007221
    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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Elizabeth Ellen Siefken among 2,019 chiropractor records in Iowa

Elizabeth Ellen Siefken, D.C. 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 not. Its NPI, issued in 2009, is newer than 54% of them.

  • NPI issued2009 · 54% of these records are older, 43% newer
  • In a Medicare fileNo · 21% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2008 · median 2007 among the 1,145 with a school on file
  • Record last updated2012 · 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).

3 chiropractor records list a practice address in Peosta

They are 3 of the 21 NPPES records with a practice address in Peosta, and 2,019 chiropractor records in Iowa. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 chiropractor records with the nearest ZIP codes

  1. Hans Gaul, DCPeosta, IA 520681366900888
  2. Michael Vaughan, DCPeosta, IA 520681073591004
  3. Alex Hinerichsen, DCPreston, IA 520691063256956
  4. Carolyn Aise, DCMaquoketa, IA 520601669505509
  5. Roland Evans, D.C.Strawberry Point, IA 520761235111659
  6. Rhys Evans, D.C.Strawberry Point, IA 520761023443066
  7. Paul Horst, D.C.Maquoketa, IA 520601922096155
  8. Brent Leon, D.C.Maquoketa, IA 520601255564217

Common questions

What is Elizabeth Ellen Siefken, D.C.'s NPI number?

Elizabeth Ellen Siefken, D.C.'s National Provider Identifier (NPI) is 1073742276, issued on Jul 8, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Elizabeth Ellen Siefken, D.C. located?

The NPPES record lists a practice address at 8558 Kapp Dr, Peosta, IA, 52068. Phone: (563) 552-7236. Providers update this record themselves, so call before visiting.

How can I verify Elizabeth Ellen Siefken, D.C.'s license?

NPPES lists Iowa license number 007221, 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. 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.