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

Olga Leahy DDS PC

Organization Dental Clinic/Center · NPI 1134393382

Olga Leahy DDS PC is a Dental Clinic/Center in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2008.

Licensed in
IL
In the registry since
2008
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

4242 W Armitage Ave
Chicago, IL 60639-3647
Phone: (773) 384-1998
Fax: (847) 251-4149
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dental Clinic/Center (primary) Taxonomy 261QD0000X · Licence 19A14612 (IL)

Record details

NPI number1134393382
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Olga Leahy — Dentist · (773) 384-1998
NPI enumeratedApril 18, 2008
Last updated in NPPESApril 18, 2008
Mailing address4242 W Armitage Ave, Chicago, IL 60639-3647

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