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

Dr. Michael Leonard Siwek, DDS

Individual provider Dentist · NPI 1073557732

Dr. Michael Leonard Siwek, DDS is a Dentist in River Grove, 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.

See every abbreviation used in this directory →

Practice location Address checks out

8368 Grand Ave
River Grove, IL 60171-1435
Phone: (708) 453-0500
Fax: (708) 453-0580
Show map & directions

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

Specialties & licences

Dentist (primary) Taxonomy 122300000X (IL)

Record details

NPI number1073557732
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedJune 15, 2006
Last updated in NPPESJuly 13, 2026
Mailing address8 S 153 Madison St., Burr Ridge, IL 60527-5553

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