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DR. NICHOLAS JOSEPH TOMASIAK D.C.
NPI 1033638655
Chiropractor in Florissant, MO

Active since September 14, 2017Accepts Medicare Assignment
225 DUNN RD, FLORISSANT, MO 63031(314) 627-1411 Get Directions Write a Review

NPPES record last updated: September 5, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 5, 2023, Sep 14, 2017 (2 updates tracked since 2017).

About Dr. Nicholas Joseph Tomasiak D.c. NPPES

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

DR. NICHOLAS JOSEPH TOMASIAK D.C. (NPI 1033638655) is an individual chiropractor in Florissant, Missouri, licensed in Missouri (2017006767) and active in the NPI registry since September 2017. He is a graduate of Logan College Of Chiropractic (2016).

NPPES Registry Identity

NPI1033638655
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. NICHOLAS JOSEPH TOMASIAKCredential: D.C.
Location Address225 DUNN RDFlorissant, MO 63031-7928
Mailing Address114 Oak Valley DrSaint Peters, MO 63376-1849
Phone(314) 627-1411
Sole ProprietorNo
Medical School CMSLogan College Of ChiropracticGraduated 2016
Enumeration DateSeptember 14, 2017
Last NPPES UpdateSeptember 5, 20232 updates tracked since enumeration
NPPES CertifiedJuly 31, 2023
✔ NPI 1033638655 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in MO · 2017006767
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.
225 DUNN RD, Florissant, MO 63031
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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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Nicholas Joseph Tomasiak D.c. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2264969419
PECOS Enrollment IDI20241230000829

Medicare Billing Reassignment

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

Chiro One Wellness Center Of St Peters LLC
16 mi
Chiropractor
585 MID RIVERS MALL DR
Saint Peters, MO 63376
  • Reassigned Medicare billing, Missouri enrollment
  • 5 clinicians in this Medicare group
NPI 1497477293 (636) 720-9444

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 Nicholas Tomasiak's NPI number?

The NPI number for Nicholas Tomasiak is 1033638655. It was assigned to this individual provider in the NPPES registry on September 14, 2017.

Where is Nicholas Tomasiak located?

Nicholas Tomasiak practices at 225 Dunn Rd, Florissant, MO 63031. The listed phone number is (314) 627-1411.

What is Nicholas Tomasiak's specialty?

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

Is Nicholas Tomasiak enrolled in Medicare?

Yes. Nicholas Tomasiak is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Nicholas Tomasiak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Tomasiak reassigns Medicare benefits to Chiro One Wellness Center Of St Peters LLC (Saint Peters, MO). 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 Nicholas Tomasiak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nicholas Tomasiak accept?

Health plans from Medica and UnitedHealthcare list Nicholas Tomasiak 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 Nicholas Tomasiak was last updated on September 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.