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

Thomas C Siewert, DDS

Individual provider General Practice Dentistry · NPI 1831357862

Thomas C Siewert, DDS is a General Practice Dentistry in South Elgin, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2008
What do these letters mean?
DDS — Doctor of Dental Surgery
A dentist. DDS and DMD are the same qualification — universities choose which title to award.

See every abbreviation used in this directory →

Practice location Address checks out

696 W Spring St
South Elgin, IL 60177-1562
Phone: (847) 741-4035
Show map & directions

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

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence 019017035 (IL)

Record details

NPI number1831357862
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedMay 27, 2008
Last updated in NPPESMay 27, 2008
Mailing address696 W Spring St, South Elgin, IL 60177-1562

Other providers in South Elgin