NPPES file of Aug 9, 2026

Gerald E. Isakson, DC

Chiropractor · Sioux Center, IA

Gerald E. Isakson, DC is a chiropractor with a practice address in Sioux Center, Iowa, and NPI 1629019435, issued on Jun 10, 2006. Check the license (Iowa 04619, 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
1629019435
Name
Gerald E. Isakson
Credential
DC
Primary taxonomy
Chiropractor 111N00000X
License number
04619 IA
Self-reported in NPPES; status is on the state search
Practice location
1149 First Ave SE, Sioux Center, IA 51250
Phone
(712) 722-0071
Enumerated
Jun 10, 2006
Record last updated
Jul 13, 2026
Medicaid ID
0147413 IA
Medicare enrollment
Enrolled (PECOS I20041123000745); 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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Verify Gerald E. Isakson 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 04619
    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. Isakson Chiropractic Health Center PCSioux Center, IA

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

Gerald E. Isakson among 2,019 chiropractor records in Iowa

Gerald E. Isakson, 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 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 59% newer
  • In a Medicare fileYes · 21% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated1977 · median 2007 among the 1,145 with a school on file
  • Record last updated2026 · 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. Karsyn Harmsen, DCSioux Center, IA 512501093560419
  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 Gerald E. Isakson, DC's NPI number?

Gerald E. Isakson, DC's National Provider Identifier (NPI) is 1629019435, issued on Jun 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gerald E. Isakson, DC located?

The NPPES record lists a practice address at 1149 First Ave SE, Sioux Center, IA, 51250. Phone: (712) 722-0071. Providers update this record themselves, so call before visiting.

How can I verify Gerald E. Isakson, DC's license?

NPPES lists Iowa license number 04619, 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.