NPPES file of Aug 9, 2026

Dennis Zylstra

Chiropractor · Spencer, IA

Dennis Zylstra is a chiropractor with a practice address in Spencer, Iowa, and NPI 1134192263, issued on Feb 9, 2006. Check the license (Iowa 02972, 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
1134192263
Name
Dennis Zylstra
Primary taxonomy
Chiropractor 111N00000X
License number
02972 IA
Self-reported in NPPES; status is on the state search
Practice location
1018 Grand Ave, Spencer, IA 51301
Phone
(712) 262-4346
Enumerated
Feb 9, 2006
Record last updated
Jul 13, 2026
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 Dennis Zylstra 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 02972    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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14 chiropractor records list a practice address in Spencer

They are 14 of the 346 NPPES records with a practice address in Spencer, and 2,019 chiropractor records in Iowa. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 14 in Spencer → All 2,019 in Iowa → Every provider in Spencer →

Other chiropractor records in Iowa

  1. Susan Aalborg-Glenn, D.C.Des Moines, IA1679509681
  2. Lyle Abbas, DC ACUPUNCTURISTClear Lake, IA1881689958
  3. Kirk Abernathy, D.C.Fayette, IA1316044654
  4. Shelly Abernathy, D.C.Fayette, IA1154435725
  5. Timothy Aberson, DCPaullina, IA1124025259
  6. Trent Abrahamson, D.C.Orange City, IA1558301630
  7. William Acree, D.C.Fort Dodge, IA1588619431
  8. Karla Adair, D.C.North Liberty, IA1114072816
  9. Reid Adams, DCCedar Rapids, IA1730997982
  10. Robert Adams, D.C.Clive, IA1609143734

Common questions

What is Dennis Zylstra's NPI number?

Dennis Zylstra's National Provider Identifier (NPI) is 1134192263, issued on Feb 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Dennis Zylstra located?

The NPPES record lists a practice address at 1018 Grand Ave, Spencer, IA, 51301. Phone: (712) 262-4346. Providers update this record themselves, so call before visiting.

How can I verify Dennis Zylstra's license?

NPPES lists Iowa license number 02972, 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.

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.