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

Northwestern Internists, Ltd

Organization Internal Medicine Physician · NPI 1891709259

Northwestern Internists, Ltd is an Internal Medicine Physician in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2006.

Licensed in
IL
In the registry since
2006
What do these letters mean?
Ltd — Limited
A form of business registration, not a clinical qualification.

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Practice location Address checks out

676 N Saint Clair St Ste 415
Chicago, IL 60611-2927
Phone: (312) 335-1133
Fax: (312) 335-9774
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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 207R00000X (IL)

Record details

NPI number1891709259
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official James Pekarek — Practice Administrator · (312) 335-1133
NPI enumeratedJuly 28, 2006
Last updated in NPPESJanuary 14, 2013
Mailing address676 N Saint Clair St, Suite 415, Chicago, IL 60611-2927

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