Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Marshall S. Olech, DDS, PC

Organization Dentist · NPI 1730408238

Marshall S. Olech, DDS, PC provides Dentist services in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2010.

Licensed in
IL
In the registry since
2010
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

711 W North Ave Ste 216
Chicago, IL 60610-1174 Not confirmed with CMS for 16 years — call before visiting
Phone: (312) 944-0658
Fax: (312) 944-0531
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence 019013659 (IL)

Record details

NPI number1730408238
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Marshall Olech — Owner · (312) 944-0658
NPI enumeratedMay 24, 2010
Last updated in NPPESMay 24, 2010
Mailing address711 W North Ave, Suite 216, Chicago, IL 60610-1174

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