Doctor profile · Federal record

Dr. Jeffrey Jernberg, D.C.

Chiropractor (CMS: Chiropractic) · Sioux City, IA

  • NPI 1942293378
  • 27 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4281 Sergeant RD
Sioux City, IA 511064625
(712) 274-6695
fax (712) 274-6699

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
October 31, 2011
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
111N00000X — NUCC code
State license (1)
Iowa #06265
Medicaid
IA #020611

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942293378. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
725
Distinct HCPCS
2
Medicare allowed
$27,050
HCPCS Description Services Patients Avg allowed
98941 Chiropractic manipulative treatment, 3-4 spinal regions 690 106 $38
98940 Chiropractic manipulative treatment, 1-2 spinal regions 35 21 $26

In context: peer comparison

Among 14 peers in this city , average services per provider: 447. This provider delivers 1.6× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Jeffrey Jernberg's medical specialty?
Dr. Jeffrey Jernberg practices Chiropractor in Sioux City, IA.
Where does Dr. Jeffrey Jernberg practice?
Dr. Jeffrey Jernberg practices at 4281 Sergeant RD, Sioux City, IA 511064625. Office phone: 7122746695.
What is Dr. Jeffrey Jernberg's NPI?
Dr. Jeffrey Jernberg's National Provider Identifier (NPI) is 1942293378, issued by NPPES.
Does Dr. Jeffrey Jernberg accept Medicare assignment?
Dr. Jeffrey Jernberg does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Jeffrey Jernberg commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941); Chiropractic manipulative treatment, 1-2 spinal regions (HCPCS 98940). Source: CMS Medicare Physician & Other Practitioners file.