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

Dr. John Fred Cassiani, DDS

Individual provider General Practice Dentistry · NPI 1184820375

Dr. John Fred Cassiani, DDS is a General Practice Dentistry in Downers Grove, Illinois. Licensed in Illinois. Registered with an NPI since 2007.

Licensed in
IL
In the registry since
2007
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

6800 S Main St #211
Downers Grove, IL 60516
Phone: (630) 852-8855
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 1915958 (IL)

Record details

NPI number1184820375
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedJune 25, 2007
Last updated in NPPESJuly 8, 2007
Mailing address6800 S Main St, 211, Downers Grove, IL 60516

Other providers in Downers Grove