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DR. WILLIAM J KOWALSKI DMD MS
NPI 1114090842
Dentist - Endodontics in Fenton, MO

Active since November 17, 2006
1568 SMIZER STATION ROAD, WILLIAM J KOWALSKI DMD MS, FENTON, MO 63026(636) 225-2330(636) 225-2335 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. William J Kowalski Dmd Ms NPPES

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

DR. WILLIAM J KOWALSKI DMD MS (NPI 1114090842) is an individual endodontics provider in Fenton, Missouri, licensed in Missouri (2001025879) and active in the NPI registry since November 2006.

NPPES Registry Identity

NPI1114090842
Entity TypeIndividualMale
Primary Taxonomy1223E0200X
Provider Legal NameDR. WILLIAM J KOWALSKICredential: DMD MS
Location Address1568 SMIZER STATION ROAD, WILLIAM J KOWALSKI DMD MSFenton, MO 63026
Mailing Address1568 Smizer Station Road, William J Kowalski Dmd MsFenton, MO 63026 · (636) 225-2330 · Fax (636) 225-2335
Phone(636) 225-2330
Fax(636) 225-2335
Sole ProprietorNo
Enumeration DateNovember 17, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1114090842 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · EndodonticsDental Providers
Taxonomy Code1223E0200X
License✔ Licensed in MO · 2001025879
Definition
The branch of dentistry that is concerned with the morphology, physiology and pathology of the human dental pulp and periradicular tissues. Its study and practice encompass the basic and clinical sciences including biology of the normal pulp, the etiology, diagnosis, prevention and treatment of diseases and injuries of the pulp and associated periradicular conditions.
1568 SMIZER STATION ROAD, Fenton, MO 63026
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Humana.Insurance ›

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 William Kowalski's NPI number?

The NPI number for William Kowalski is 1114090842. It was assigned to this individual provider in the NPPES registry on November 17, 2006.

Where is William Kowalski located?

William Kowalski practices at 1568 Smizer Station Road William J Kowalski Dmd Ms, Fenton, MO 63026. The listed phone number is (636) 225-2330.

What is William Kowalski's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Endodontics, with taxonomy code 1223E0200X.

What insurance does William Kowalski accept?

Health plans from Humana list William Kowalski 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 William Kowalski was last updated on July 8, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.