Arnold G. Siefken, D.C.
Chiropractor · Jamestown, ND
Arnold G. Siefken, D.C. is a chiropractor with a practice address in Jamestown, North Dakota, and NPI 1699861195, issued on Oct 4, 2006. Check the license (North Dakota 409, as entered in NPPES) with the North Dakota board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Arnold G. Siefken
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- 409 ND
Self-reported in NPPES; status is on the state search - Practice location
- 701 1St Ave. S., Jamestown, ND 58401
- Phone
- (701) 252-0569
- Enumerated
- Oct 4, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (701) 252-0569
- Medicaid ID
- 13933 ND
- Medicare enrollment
- Enrolled (PECOS I20040209000470); may accept Medicare assignment
- Medical or professional school
- Northwestern College Of Chiropractic, 1981
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 498 in North Dakota → Look up another NPI →
Verify Arnold G. Siefken in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich North Dakota board licenses this profession
Search for license 409Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Arnold G. Siefken among 498 chiropractor records in North Dakota
Arnold G. Siefken, D.C. is one of 498 chiropractor records with a practice address in North Dakota. 36% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 66% newer
- In a Medicare fileNo · 36% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1981 · median 2008 among the 315 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 North Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 chiropractor records list a practice address in Jamestown
They are 14 of the 656 NPPES records with a practice address in Jamestown, and 498 chiropractor records in North Dakota. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 498 in North Dakota → Every provider in Jamestown → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Matthew Goehner, D.C.Jamestown, ND 584011083887236
- Jerrod Hann, D.C.Jamestown, ND 584011760511752
- Benjamin HansenJamestown, ND 584011326676412
- Heidi Heim, D.C.Jamestown, ND 584011053366153
- Blake Hochhalter, D.C.Jamestown, ND 584011003271784
- Kenn Iverson, DC PCJamestown, ND 584011275625030
- Debra Laduke, DCJamestown, ND 584011033162276
- Jared MannJamestown, ND 584011326501875
Common questions
What is Arnold G. Siefken, D.C.'s NPI number?
Arnold G. Siefken, D.C.'s National Provider Identifier (NPI) is 1699861195, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Arnold G. Siefken, D.C. located?
The NPPES record lists a practice address at 701 1St Ave. S., Jamestown, ND, 58401. Phone: (701) 252-0569. Providers update this record themselves, so call before visiting.
How can I verify Arnold G. Siefken, D.C.'s license?
NPPES lists North Dakota license number 409, as entered by the provider. Search the North Dakota 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.