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

Kathleen Casper, DO, PC

Organization Internal Medicine Physician · NPI 1205011822

Kathleen Casper, DO, PC is an Internal Medicine Physician in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2008.

Licensed in
IL
In the registry since
2008
Specialties on file
2
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

3235 W 111th St
Chicago, IL 60655-2730
Phone: (773) 445-2802
Fax: (773) 445-9983
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036066773 (IL)
Geriatric Medicine (Internal Medicine) Physician Taxonomy 207RG0300X · Licence 036066773 (IL)

Record details

NPI number1205011822
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Kathleen Casper — Owner · (773) 445-2802
NPI enumeratedJanuary 2, 2008
Last updated in NPPESDecember 3, 2008
Mailing address10660 W 143rd St, Suite B, Orland Park, IL 60462-1982

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