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

Dr. William Just Bleecker, DDS

Individual provider Dentist · NPI 1669553269

Dr. William Just Bleecker, DDS is a Dentist in Naperville, Illinois. Licensed in Illinois. Registered with an NPI since 2006.

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.

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Practice location Address checks out

552 S Washington St Ste 105
Naperville, IL 60540-6669
Phone: (630) 355-3556
Fax: (630) 355-5492
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dentist (primary) Taxonomy 122300000X (IL)

Record details

NPI number1669553269
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedOctober 18, 2006
Last updated in NPPESJuly 8, 2007
Mailing address552 South Washington Street, Suite 105, Naperville, IL 60540-6669

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