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FIRST STOP CHIROPRACTIC LLC
NPI 1699485797
Chiropractor in Fenton, MO

Active since November 29, 2022
36 FENTON PLZ, FENTON, MO 63026(314) 574-1907(636) 600-0670 Get Directions Write a Review

NPPES record last updated: December 29, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 29, 2025, Feb 7, 2023, Nov 29, 2022 (3 updates tracked since 2022).

About First Stop Chiropractic Llc NPPES

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

FIRST STOP CHIROPRACTIC LLC (NPI 1699485797) is a healthcare organization registered as a chiropractor in Fenton, Missouri and active in the NPI registry since November 2022. The organization lists Tonja Matthias, Clinic Director, as its authorized official.

NPPES Registry Identity

NPI1699485797
Entity TypeOrganization
Primary Taxonomy111N00000X
Legal Business NameFIRST STOP CHIROPRACTIC LLC
Location Address36 FENTON PLZFenton, MO 63026-4110
Mailing Address36 Fenton PlzFenton, MO 63026-4110 · (314) 574-1907 · Fax (636) 600-0670
Phone(314) 574-1907
Fax(636) 600-0670
Organization SubpartYes
Authorized OfficialTonja MatthiasClinic Director · (314) 574-1907
Enumeration DateNovember 29, 2022
Last NPPES UpdateDecember 29, 20253 updates tracked since enumeration
NPPES CertifiedDecember 29, 2025
✔ NPI 1699485797 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.
36 FENTON PLZ, Fenton, MO 63026
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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)

First Stop 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 First Stop Chiropractic LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Tonja Matthias, D.C.
Chiropractic
NPI 1861720336
36 FENTON PLZ
Fenton, MO 63026
(314) 574-1907
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 First Stop Chiropractic LLC's NPI number?

The NPI number for First Stop Chiropractic LLC is 1699485797. It was assigned to this organization in the NPPES registry on November 29, 2022.

Where is First Stop Chiropractic LLC located?

First Stop Chiropractic LLC is located at 36 Fenton Plz, Fenton, MO 63026. The listed phone number is (314) 574-1907.

What is First Stop Chiropractic LLC's specialty?

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

Is First Stop Chiropractic LLC enrolled in Medicare?

Yes. First Stop Chiropractic LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through First Stop Chiropractic LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Chiropractic) reassigns their Medicare billing to First Stop 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 First Stop Chiropractic LLC was last updated on December 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.