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DR. NIKOLE DAWN DEMKE DC
NPI 1649941691
Chiropractor in South Sioux City, NE

Active since September 21, 2021
121 E 28TH ST, SOUTH SIOUX CITY, NE 68776(402) 241-7497 Get Directions Write a Review

NPPES record last updated: January 28, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 15, 2022, Sep 21, 2021 (2 updates tracked since 2021).

About Dr. Nikole Dawn Demke Dc NPPES

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

DR. NIKOLE DAWN DEMKE DC (NPI 1649941691) is an individual chiropractor in South Sioux City, Nebraska, licensed in Nebraska (2126) and active in the NPI registry since September 2021.

NPPES Registry Identity

NPI1649941691
Entity TypeIndividualFemale
Primary Taxonomy111N00000X
Provider Legal NameDR. NIKOLE DAWN DEMKECredential: DC
Location Address121 E 28TH STSouth Sioux City, NE 68776-3206
Mailing Address121 E 28th StSouth Sioux City, NE 68776-3206 · (402) 241-7497
Phone(402) 241-7497
Sole ProprietorYes
Enumeration DateSeptember 21, 2021
Last NPPES UpdateJanuary 28, 20252 updates tracked since enumeration
NPPES CertifiedJanuary 28, 2025
✔ NPI 1649941691 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
Licenses✔ Licensed in NE · 2126✔ Licensed in IA · 109944
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.
121 E 28TH ST, South Sioux City, NE 68776
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include 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. Nikole Dawn Demke Dc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Winnebago Tribe Of Nebraska
16 mi
Mental Health (Including Community Mental Health Center)
225 BLUFF ST
Winnebago, NE 68071
  • Reassigned Medicare billing, Texas enrollment
  • 90 clinicians in this Medicare group
NPI 1710469234 (402) 745-3950

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

Other Providers at the Same Location NPPES

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

DIERENFIELD CHIROPRACTIC L.L.C.
Chiropractor
121 E 28TH ST
SOUTH SIOUX CITY, NE 68776
Dakota County (402) 987-2563

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 Nikole Demke's NPI number?

The NPI number for Nikole Demke is 1649941691. It was assigned to this individual provider in the NPPES registry on September 21, 2021.

Where is Nikole Demke located?

Nikole Demke practices at 121 E 28th St, South Sioux City, NE 68776. The listed phone number is (402) 241-7497.

What is Nikole Demke's specialty?

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

Is Nikole Demke enrolled in Medicare?

Yes. Nikole Demke is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Nikole Demke's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nikole Demke reassigns Medicare benefits to Winnebago Tribe Of Nebraska (Winnebago, NE). 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 Nikole Demke's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nikole Demke accept?

Health plans from Oscar Insurance Company and Sanford Health Plan list Nikole Demke 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 Nikole Demke was last updated on January 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months 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.