Cynthia J. Butler, D.C.
Chiropractor · Sioux City, IA
Cynthia J. Butler, D.C. is a chiropractor with a practice address in Sioux City, Iowa, and NPI 1831196724, issued on Jul 7, 2005. Check the license (Iowa 06284, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Cynthia J. Butler
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- 06284 IA
Self-reported in NPPES; status is on the state search - Practice location
- 3104 S Lakeport Street, Sioux City, IA 51106
- Phone
- (712) 266-0500
- Enumerated
- Jul 7, 2005
- Record last updated
- Nov 3, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicaid ID
- 0239970 IA
- Medicare enrollment
- Enrolled (PECOS I20101102001381); accepts Medicare assignment
- Medical or professional school
- Palmer College Chiropractic - Davenport, 1999
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 2,019 in Iowa → Look up another NPI →
Also registered at 3104 S Lakeport Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shane Townsend, D.C.Chiropractor1578560306
Verify Cynthia J. Butler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 06284Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Butler-Townsend Chiropractic Clinic PCSioux City, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cynthia J. Butler among 2,019 chiropractor records in Iowa
Cynthia J. Butler, 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. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 21% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1999 · median 2007 among the 1,145 with a school on file
- Record last updated2010 · 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).
44 chiropractor records list a practice address in Sioux City
They are 44 of the 1,486 NPPES records with a practice address in Sioux City, and 2,019 chiropractor records in Iowa.
All 2,019 in Iowa → Every provider in Sioux City → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Lin Chicoine PetersonSioux City, IA 511061477527422
- Troy FluentSioux City, IA 511061952375016
- Chad Gaskell, D.C.Sioux City, IA 511061245326669
- Rodney Gaskell, D.C.Sioux City, IA 511061649366915
- Jeffrey Jernberg, D.C.Sioux City, IA 511061942293378
- Christopher Manley, D.C.Sioux City, IA 511061063491868
- Thomas Molstad, D.C.Sioux City, IA 511061740250984
- Marc Obbink, D.C.Sioux City, IA 511061437103140
Common questions
What is Cynthia J. Butler, D.C.'s NPI number?
Cynthia J. Butler, D.C.'s National Provider Identifier (NPI) is 1831196724, issued on Jul 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Cynthia J. Butler, D.C. located?
The NPPES record lists a practice address at 3104 S Lakeport Street, Sioux City, IA, 51106. Phone: (712) 266-0500. Providers update this record themselves, so call before visiting.
How can I verify Cynthia J. Butler, D.C.'s license?
NPPES lists Iowa license number 06284, 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.