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DR. JEFFREY MICHAEL JERNBERG D.C.
NPI 1942293378
Chiropractor in Sioux City, IA

Active since August 31, 2005
4281 SERGEANT RD, SIOUX CITY, IA 51106(712) 274-6695(712) 274-6699 Get Directions Write a Review

NPPES record last updated: October 31, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Jeffrey Michael Jernberg D.c. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JEFFREY MICHAEL JERNBERG D.C. (NPI 1942293378) is an individual chiropractor in Sioux City, Iowa, licensed in Iowa (06265) and active in the NPI registry since August 2005. He is a graduate of Palmer College Chiropractic - West Sunnyvale (1999).

NPPES Registry Identity

NPI1942293378
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. JEFFREY MICHAEL JERNBERGCredential: D.C.
Location Address4281 SERGEANT RDSioux City, IA 51106-4625
Mailing Address4281 Sergeant RdSioux City, IA 51106-4625 · (712) 274-6695 · Fax (712) 274-6699
Phone(712) 274-6695
Fax(712) 274-6699
Sole ProprietorYes
Medical School CMSPalmer College Chiropractic - West SunnyvaleGraduated 1999
Enumeration DateAugust 31, 2005
Last NPPES UpdateOctober 31, 2011
✔ NPI 1942293378 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in IA · 06265
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
4281 SERGEANT RD, Sioux City, IA 51106
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Other Names 1

Former Name (1)Jeffrey Michael Davis

Other Identifiers 2

Medicaid020611IA
Other09074IA · Blue Cross Blue Shield

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Avera Health Plans, Oscar Insurance Company, Sanford Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Jeffrey Michael Jernberg D.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8426012329
PECOS Enrollment IDI20041118001019

Medicare Billing Reassignment

Medicare enrollment records show Jeffrey Jernberg reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Jeffrey M Jernberg, D.C., P.C.
Same address
Chiropractor
4281 SERGEANT RD
Sioux City, IA 51106
  • Reassigned Medicare billing, Iowa enrollment
  • Medicare enrollment name: Jeffrey M Jernberg Dc PC
NPI 1598047722 (712) 274-6695

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Chiropractic manipulative treatment, 3-4 spinal regions 98941
Chiropractic manipulative treatment for 3-4 spinal regions involves a trained professional applying controlled force to specific areas of your spine. This can help alleviate pain, improve physical function, and support your body's natural healing process.
619 services101 patients

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. KENNETH TODD D.C.
Chiropractor
4281 SERGEANT RD
SIOUX CITY, IA 51106
Woodbury County (712) 274-6695
DR. EVAN RUTERBORIES DC
Chiropractor
4281 SERGEANT RD
SIOUX CITY, IA 51106
Woodbury County (712) 259-7187
JEFFREY M JERNBERG, D.C., P.C.
Chiropractor
4281 SERGEANT RD
SIOUX CITY, IA 51106
Woodbury County (712) 274-6695
EVAN RUTERBORIES DC PC
Clinic/Center
4281 SERGEANT RD
SIOUX CITY, IA 51106
Woodbury County (712) 221-2666

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jeffrey Jernberg's NPI number?

The NPI number for Jeffrey Jernberg is 1942293378. It was assigned to this individual provider in the NPPES registry on August 31, 2005. The provider is also known as Jeffrey Michael Davis.

Where is Jeffrey Jernberg located?

Jeffrey Jernberg practices at 4281 Sergeant Rd, Sioux City, IA 51106. The listed phone number is (712) 274-6695.

What is Jeffrey Jernberg's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Jeffrey Jernberg enrolled in Medicare?

Yes. Jeffrey Jernberg is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jeffrey Jernberg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Jernberg reassigns Medicare benefits to Jeffrey M Jernberg, D.C., P.C. (Sioux City, IA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jeffrey Jernberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jeffrey Jernberg accept?

Health plans from Avera Health Plans, Oscar Insurance Company and Sanford Health Plan list Jeffrey Jernberg as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Jeffrey Jernberg was last updated on October 31, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.