Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. William J Kowalski, DMDMS

Individual provider Endodontics · NPI 1114090842

Dr. William J Kowalski, DMDMS is an Endodontics in Fenton, Missouri. Licensed in Missouri. Registered with an NPI since 2006.

Licensed in
MO
In the registry since
2006

Practice location Address checks out

1568 Smizer Station Road William J Kowalski Dmd MS
Fenton, MO 63026
Phone: (636) 225-2330
Fax: (636) 225-2335
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endodontics (primary) Taxonomy 1223E0200X · Licence 2001025879 (MO)

Record details

NPI number1114090842
Entity typeIndividual (Type 1)
GenderMale
Credentials DMDMS
Sole proprietorNo
NPI enumeratedNovember 17, 2006
Last updated in NPPESJuly 8, 2007