Brennen Paul Bjornson, D.C.
Chiropractor · Ontario, OR
Brennen Paul Bjornson, D.C. is a chiropractor with a practice address in Ontario, Oregon, and NPI 1538243100, issued on Oct 24, 2006. Check the license (Oregon 273331, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Brennen Paul Bjornson
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- 273331 OR
Self-reported in NPPES; status is on the state search - Practice location
- 200 SW 2ND Ave, Ontario, OR 97914
- Phone
- (541) 889-7797
- Enumerated
- Oct 24, 2006
- Record last updated
- May 11, 2025
- Fax
- (541) 889-3835
- Medicare enrollment
- Enrolled (PECOS I20080417000262); accepts Medicare assignment
- Medical or professional school
- Western States College Of Chiropractic, 1996
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 1,881 in Oregon → Look up another NPI →
Also registered at 200 SW 2ND Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hilary Bjornson, D.C.Chiropractor1770667347
Verify Brennen Paul Bjornson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license 273331Check 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
- Ontario Chiropractic LLCOntario, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brennen Paul Bjornson among 1,881 chiropractor records in Oregon
Brennen Paul Bjornson, D.C. is one of 1,881 chiropractor records with a practice address in Oregon. 18% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 74% newer
- In a Medicare fileYes · 18% of these records are
- In the CMS Doctors and Clinicians fileYes · 34% of these records are
- Graduated1996 · median 2008 among the 638 with a school on file
- Record last updated2025 · 70% 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 Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Chiropractor providers in Oregon
There are 1,881 chiropractor records in Oregon.
All 1,881 in Oregon → Every provider in Ontario → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Hilary Bjornson, D.C.Ontario, OR 979141770667347
- Todd Dinsmore, DCOntario, OR 979141982863627
- Roy Mass, D.C.Ontario, OR 979141295812253
- Melinda Cator-Mead, D.C.Union, OR 978831013162726
- Lance Hatch, D.C.Milton Freewater, OR 978621104115914
- Kenneth Simpson, DCMilton Freewater, OR 978621548331119
- Chad Smith, D.C.Milton Freewater, OR 978621134411556
- Mark Turner, DCMilton Freewater, OR 978621124185863
Common questions
What is Brennen Paul Bjornson, D.C.'s NPI number?
Brennen Paul Bjornson, D.C.'s National Provider Identifier (NPI) is 1538243100, issued on Oct 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Brennen Paul Bjornson, D.C. located?
The NPPES record lists a practice address at 200 SW 2ND Ave, Ontario, OR, 97914. Phone: (541) 889-7797. Providers update this record themselves, so call before visiting.
How can I verify Brennen Paul Bjornson, D.C.'s license?
NPPES lists Oregon license number 273331, as entered by the provider. Search the Oregon 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.