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

Dr. Daniel Christopher Leonard, DDS

Individual provider General Practice Dentistry · NPI 1336280064

Dr. Daniel Christopher Leonard, DDS is a General Practice Dentistry in Chicago, 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

326 S Marshfield Ave
Chicago, IL 60612-3212
Phone: (312) 942-0200
Fax: (312) 666-4640
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 number1336280064
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedFebruary 8, 2007
Last updated in NPPESJuly 8, 2007
Mailing address326 S Marshfield Ave, Chicago, IL 60612-3212

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