James A. Bjork, D.C.
Chiropractor · Sioux City, IA
James A. Bjork, D.C. is a chiropractor with a practice address in Sioux City, Iowa, and NPI 1740365915, issued on Oct 26, 2006. Check the license (Iowa 04278, 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.
- Name
- James A. Bjork
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- 04278 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1406 Nebraska St, Sioux City, IA 51105
- Phone
- (712) 255-0996
- Enumerated
- Oct 26, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid IDs
- 0094037 IA
42621283500 NE - Medicare enrollment
- Enrolled (PECOS I20041118001224); may accept Medicare assignment
- Medical or professional school
- Palmer College Chiropractic - Davenport, 1973
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 2,019 in Iowa → Look up another NPI →
Verify James A. Bjork in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 04278Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
James A. Bjork among 2,019 chiropractor records in Iowa
James A. Bjork, 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
- Graduated1973 · median 2007 among the 1,145 with a school on file
- Record last updated2007 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,019 in Iowa → Every provider in Sioux City → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Bradley Chicoine, DCSioux City, IA 511051710960513
- Jennifer Chicoine, D.C.Sioux City, IA 511051790923092
- Anna Fisher, D.C.Sioux City, IA 511051295054252
- Robert Kuchel, D.C.Sioux City, IA 511051346320520
- Amanda Thomason, D.CSioux City, IA 511051134414931
- Wallace WagnerSioux City, IA 511051275507089
- Christopher Barber, DCSioux City, IA 511041235402025
- Zachary BoltjesSioux City, IA 511041194259846
Common questions
What is James A. Bjork, D.C.'s NPI number?
James A. Bjork, D.C.'s National Provider Identifier (NPI) is 1740365915, issued on Oct 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James A. Bjork, D.C. located?
The NPPES record lists a practice address at 1406 Nebraska St, Sioux City, IA, 51105. Phone: (712) 255-0996. Providers update this record themselves, so call before visiting.
How can I verify James A. Bjork, D.C.'s license?
NPPES lists Iowa license number 04278, 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.