Doctor profile · Federal record

Dr. Brennen Bjornson, D.C.

Chiropractor (CMS: Chiropractic) · Ontario, OR

  • NPI 1538243100
  • Accepts Medicare
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 Sw 2Nd Ave
Ontario, OR 979142718
(541) 889-7797
fax (541) 889-3835

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
May 11, 2025
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
111N00000X — NUCC code
State license (1)
Oregon #273331

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538243100. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
508
Distinct HCPCS
1
Medicare allowed
$19,692
HCPCS Description Services Patients Avg allowed
98941 Chiropractic manipulative treatment, 3-4 spinal regions 508 90 $39

In context: peer comparison

Among 2 peers in Ontario Chiropractor, average services per provider: 582. This provider delivers 0.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Brennen Bjornson's medical specialty?
Dr. Brennen Bjornson practices Chiropractor in Ontario, OR.
Where does Dr. Brennen Bjornson practice?
Dr. Brennen Bjornson practices at 200 Sw 2Nd Ave, Ontario, OR 979142718. Office phone: 5418897797.
What is Dr. Brennen Bjornson's NPI?
Dr. Brennen Bjornson's National Provider Identifier (NPI) is 1538243100, issued by NPPES.
Does Dr. Brennen Bjornson accept Medicare assignment?
Yes. Dr. Brennen Bjornson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brennen Bjornson commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941). Source: CMS Medicare Physician & Other Practitioners file.