Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Brian Lawrence Dethlefsen, DC

Individual provider Chiropractor · NPI 1861599730

Brian Lawrence Dethlefsen, DC is registered under Chiropractic in Oakes, North Dakota. Graduated from Northwestern College of Chiropractic in 1996, 30 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in North Dakota.

Years since qualifying
30
Trained at
Northwestern College of Chiropractic
Licensed in
ND
In the registry since
2006
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

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Practice location Address checks out

14 N 5th St
Oakes, ND 58474-1209 Not confirmed with CMS for 13 years — call before visiting
Phone: (701) 742-2750
Fax: (701) 742-2909
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence 637 (ND)

Record details

NPI number1861599730
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorYes
NPI enumeratedSeptember 20, 2006
Last updated in NPPESSeptember 16, 2013

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCHIROPRACTIC
Medical schoolNORTHWESTERN COLLEGE OF CHIROPRACTIC
Graduated 1996 (30 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients94
Services billed 450 a service is one billed item, such as a visit, a test or a procedure
Average patient age73

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

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