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

Dr. William Henry Slavin IV, DDS

Individual provider General Practice Dentistry · NPI 1992708978

Dr. William Henry Slavin IV, DDS is a General Practice Dentistry in Manteno, 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 →

Practice location Address checks out

1 N Main St
Manteno, IL 60950-1534
Phone: (815) 468-8832
Fax: (815) 468-8862
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 number1992708978
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedMay 24, 2005
Last updated in NPPESJuly 13, 2026

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