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

Robert J Trefil, DDS

Individual provider General Practice Dentistry · NPI 1124187612

Robert J Trefil, DDS is a General Practice Dentistry in Westmont, 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

122 E Chicago Ave
Westmont, IL 60559
Phone: (630) 971-0761
Fax: (630) 971-0772
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 19A15000 (IL)

Record details

NPI number1124187612
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedDecember 8, 2006
Last updated in NPPESJuly 8, 2007
Mailing address122 E Chicago Ave, Westmont, IL 60559

Other providers in Westmont