Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Robert J Trefil, DDS

Individual provider General Practice Dentistry · NPI 1124187612

Robert J Trefil, DDS practises 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 Not confirmed with CMS for 19 years — call before visiting
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

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