NPPES file of Aug 9, 2026

Allen Lee Diercks, D.C.

Chiropractor · Davenport, IA

Allen Lee Diercks, D.C. is a chiropractor with a practice address in Davenport, Iowa, and NPI 1992771695, issued on Feb 23, 2006. Check the license (Iowa 4736, 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
1992771695
Name
Allen Lee Diercks
Credential
D.C.
Primary taxonomy
Chiropractor 111N00000X
License number
4736 IA
Self-reported in NPPES; status is on the state search
Practice location
2322 E Kimberly RD, Davenport, IA 52807
Phone
(563) 388-9492
Enumerated
Feb 23, 2006
Record last updated
Aug 21, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(563) 388-0019
Medicaid ID
0203828 IA
Medicare enrollment
Enrolled (PECOS I20041216000561); accepts Medicare assignment
Medical or professional school
Palmer College Chiropractic - Davenport, 1980
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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8 nearest chiropractor records → All 2,019 in Iowa → Look up another NPI →

Also registered at 2322 E Kimberly RD

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

  1. David Chavez, DCChiropractor1326186511
  2. Kimberly Diercks-Oetzel, D.C.Chiropractor1548235096
  3. Robert Godwin, M.D.Dermatology Physician1790813368
  4. Delos Hansen, MDObstetrics & Gynecology Physician1548234859
  5. Courtney Hill, LCPC, CADCAddiction (Substance Use Disorder) Counselor1205251345
  6. Eugene Kerns, MDObstetrics & Gynecology Physician1518931153

Verify Allen Lee Diercks 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 4736    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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Allen Lee Diercks among 2,019 chiropractor records in Iowa

Allen Lee Diercks, 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 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 59% newer
  • In a Medicare fileNo · 21% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated1980 · median 2007 among the 1,145 with a school on file
  • Record last updated2019 · 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).

214 chiropractor records list a practice address in Davenport

They are 214 of the 2,058 NPPES records with a practice address in Davenport, and 2,019 chiropractor records in Iowa. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,019 in Iowa → Every provider in Davenport → Chiropractor nationwide →

The 8 chiropractor records with the nearest ZIP codes

  1. Michael Aldrich, D.C.Davenport, IA 528071760456776
  2. Clifton Bethel, D.C., M.S.Davenport, IA 528071447250956
  3. Chamein Clark Witter, DCPCDavenport, IA 528071780624312
  4. Kimberly Diercks-Oetzel, D.C.Davenport, IA 528071548235096
  5. Danny Lipes, DCDavenport, IA 528071124072897
  6. Mitchell Mally, D.C.Davenport, IA 528071790786358
  7. Bradford Merritt, DCDavenport, IA 528071770576985
  8. Timothy Mesick, D.C.Davenport, IA 528071609868215

Common questions

What is Allen Lee Diercks, D.C.'s NPI number?

Allen Lee Diercks, D.C.'s National Provider Identifier (NPI) is 1992771695, issued on Feb 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Allen Lee Diercks, D.C. located?

The NPPES record lists a practice address at 2322 E Kimberly RD, Davenport, IA, 52807. Phone: (563) 388-9492. Providers update this record themselves, so call before visiting.

How can I verify Allen Lee Diercks, D.C.'s license?

NPPES lists Iowa license number 4736, 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.