TRUE NORTH CHIROPRACTIC LLC
NPI 1831717131
Chiropractor in Onalaska, WI

Q: What is True North Chiropractic LLC's NPI number?

The NPI number for True North Chiropractic LLC is 1831717131. It was assigned to this organization in the NPPES registry on July 13, 2020.

Q: What is True North Chiropractic LLC's specialty?

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

Active since July 13, 2020

923 12TH AVE S STE 105, ONALASKA, WI 54650(608) 790-9155(608) 790-9154 Get Directions Write a Review

NPPES record last updated: July 13, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About True North Chiropractic Llc NPPES

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

TRUE NORTH CHIROPRACTIC LLC (NPI 1831717131) is a healthcare organization registered as a chiropractor in Onalaska, Wisconsin and active in the NPI registry since July 2020. The organization lists Christian Castellano, Co Owner, as its authorized official.

NPPES Registry Identity

NPI1831717131

Entity TypeOrganization

Primary Taxonomy111N00000X

Legal Business NameTRUE NORTH CHIROPRACTIC LLC

Location Address923 12TH AVE S STE 105Onalaska, WI 54650-4302

Mailing Address923 12th Ave S Ste 105Onalaska, WI 54650-4302 · (608) 790-9155 · Fax (608) 790-9154

Phone(608) 790-9155

Fax(608) 790-9154

Organization SubpartNo

Authorized OfficialChristian CastellanoCo Owner · (608) 790-9155

Enumeration DateJuly 13, 2020

NPPES CertifiedJuly 13, 2020

✔ NPI 1831717131 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers

Taxonomy Code111N00000X

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.

923 12TH AVE S STE 105, Onalaska, WI 54650

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

True North Chiropractic Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to True North Chiropractic LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Christian Castellano, DC

Chiropractic

NPI 1750909057

923 12TH AVE S STE 105
Onalaska, WI 54650

(608) 790-9155

Same address

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

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 True North Chiropractic LLC's NPI number?

The NPI number for True North Chiropractic LLC is 1831717131. It was assigned to this organization in the NPPES registry on July 13, 2020.

Where is True North Chiropractic LLC located?

True North Chiropractic LLC is located at 923 12th Ave S Ste 105, Onalaska, WI 54650. The listed phone number is (608) 790-9155.

What is True North Chiropractic LLC's specialty?

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

Is True North Chiropractic LLC enrolled in Medicare?

Yes. True North Chiropractic LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through True North Chiropractic LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Chiropractic) reassigns their Medicare billing to True North Chiropractic LLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for True North Chiropractic LLC was last updated on July 13, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.