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

Dr. William Joseph Frericks, DDS

Individual provider Dentist · NPI 1427050608

Dr. William Joseph Frericks, DDS is a Dentist in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2005.

Licensed in
IL
In the registry since
2005
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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

500 N Michigan Ave Ste 520
Chicago, IL 60611-3755
Phone: (312) 337-4424
Fax: (312) 822-0877
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Dentist (primary) Taxonomy 122300000X (IL)

Record details

NPI number1427050608
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedJune 1, 2005
Last updated in NPPESJuly 13, 2026
Mailing address500 N Michigan Ave, Ste 520, Chicago, IL 60611-3755

Other providers in Chicago