1. Home
  2. Directory
  3. Missouri
  4. Fenton
  5. Chiropractor
  6. NPI Profile

DR. TONJA MATTHIAS D.C.
NPI 1861720336
Chiropractor in Fenton, MO

Active since November 21, 2009
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: July 26, 2026.

Record update history: Dec 29, 2025, Mar 1, 2023, Feb 7, 2023 and 2 more (5 updates tracked since 2022).

About Dr. Tonja Matthias D.c. NPPES

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

DR. TONJA MATTHIAS D.C. (NPI 1861720336) is an individual chiropractor in Fenton, Missouri, licensed in Missouri (2004028769) and active in the NPI registry since November 2009. She is a graduate of Logan College Of Chiropractic (2001).

NPPES Registry Identity

NPI1861720336
Entity TypeIndividualFemale
Primary Taxonomy111N00000X
Provider Legal NameDR. TONJA MATTHIASCredential: D.C.
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
Sole ProprietorYes
Medical School CMSLogan College Of ChiropracticGraduated 2001
Enumeration DateNovember 21, 2009
Last NPPES UpdateDecember 29, 20255 updates tracked since enumeration
NPPES CertifiedDecember 29, 2025
✔ NPI 1861720336 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in MO · 2004028769
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
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Tonja Matthias D.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8022065424
PECOS Enrollment IDI20050407000683

Other Providers at the Same Location NPPES

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

FIRST STOP CHIROPRACTIC LLC
Chiropractor
36 FENTON PLZ
FENTON, MO 63026
St. Louis County (314) 574-1907

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 Tonja Matthias's NPI number?

The NPI number for Tonja Matthias is 1861720336. It was assigned to this individual provider in the NPPES registry on November 21, 2009.

Where is Tonja Matthias located?

Tonja Matthias practices at 36 Fenton Plz, Fenton, MO 63026. The listed phone number is (314) 574-1907.

What is Tonja Matthias's specialty?

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

Is Tonja Matthias enrolled in Medicare?

Yes. Tonja Matthias is registered in the Medicare PECOS enrollment system.

What insurance does Tonja Matthias accept?

Health plans from Medica and UnitedHealthcare list Tonja Matthias 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 Tonja Matthias was last updated on December 29, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.