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

Dr. Nancy O Block, DDS

Individual provider General Practice Dentistry · NPI 1700962750

Dr. Nancy O Block, DDS is a General Practice Dentistry in Chicago, Illinois. Practices as a sole proprietor. Licensed in Illinois.

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

100 E Walton Ofc Center Ste 400 East
Chicago, IL 60611
Phone: (312) 649-1666
Fax: (312) 649-2419
Show map & directions

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

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X (IL)

Record details

NPI number1700962750
Entity typeIndividual (Type 1)
GenderFemale
Credentials DDS
Sole proprietorYes
NPI enumeratedOctober 31, 2006
Last updated in NPPESJuly 8, 2007
Mailing address100 East Walton Office Center, Suite 400 East, Chicago, IL 60611

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