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

Dr. Richard Frederick Callahan, DDS

Individual provider Orthodontics and Dentofacial Orthopedics Dentistry · NPI 1457579054

Dr. Richard Frederick Callahan, DDS is an Orthodontics and Dentofacial Orthopedics 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

5133 Washington St Ste 7
Downers Grove, IL 60515-4757
Phone: (630) 964-9882
Fax: (630) 971-3221
Show map & directions

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

Specialties & licences

Orthodontics and Dentofacial Orthopedics Dentistry (primary) Taxonomy 1223X0400X · Licence 19-01-3243 (IL)

Record details

NPI number1457579054
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedApril 22, 2007
Last updated in NPPESJuly 8, 2007

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