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

Dr. Thomas John Hartog, DDS

Individual provider General Practice Dentistry · NPI 1003994427

Dr. Thomas John Hartog, DDS is a General Practice Dentistry in Freeport, Illinois. Licensed in Illinois. Registered with an NPI since 2006.

Licensed in
IL
In the registry since
2006
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

981 W South St
Freeport, IL 61032-6778
Phone: (815) 235-5174
Fax: (815) 232-5965
Show map & directions

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

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X (IL)

Record details

NPI number1003994427
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedNovember 2, 2006
Last updated in NPPESJuly 8, 2007
Mailing address981 W South St, Freeport, IL 61032-6778

Other providers in Freeport