Doctor profile · Federal record
Dr. James Bjork, D.C.
Chiropractor (CMS: Chiropractic) · Sioux City, IA
- NPI 1740365915
- 53 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1406 Nebraska St
Sioux City, IA 511051237
(712) 255-0996
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1973 — 53 yrs since
- Specialty taxonomy
- 111N00000X — NUCC code
- State license (1)
- Iowa #04278
- Medicaid (2)
- IA #0094037 · NE #42621283500
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1740365915. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,112
Distinct HCPCS
1
Medicare allowed
$40,003
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
98941 |
Chiropractic manipulative treatment, 3-4 spinal regions | 1,112 | 152 | $36 |
In context: peer comparison
Among 14 peers in this city , average services per provider: 447. This provider delivers 2.5× the peer median.Frequently asked questions
What is Dr. James Bjork's medical specialty?
Dr. James Bjork practices Chiropractor in Sioux City, IA.
Where does Dr. James Bjork practice?
Dr. James Bjork practices at 1406 Nebraska St, Sioux City, IA 511051237. Office phone: 7122550996.
What is Dr. James Bjork's NPI?
Dr. James Bjork's National Provider Identifier (NPI) is 1740365915, issued by NPPES.
Does Dr. James Bjork accept Medicare assignment?
Dr. James Bjork does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. James Bjork commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941). Source: CMS Medicare Physician & Other Practitioners file.