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

Dr. James A Zajac, DDS

Individual provider General Practice Dentistry · NPI 1912055179

Dr. James A Zajac, DDS is a General Practice Dentistry in Downers Grove, Illinois. Practices as a sole proprietor. Licensed in Illinois.

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

518 Ogden Ave
Downers Grove, IL 60515-3064
Phone: (630) 271-0300
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 019.020119 (IL)

Record details

NPI number1912055179
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedJanuary 6, 2007
Last updated in NPPESMarch 16, 2021
Certification dateMarch 16, 2021

Other providers in Downers Grove