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

Andrzej Gacek Medical , LLC

Organization Internal Medicine Physician · NPI 1225206782

Andrzej Gacek Medical , LLC 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
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

5901 N Milwaukee Ave Ste D
Chicago, IL 60646-5443
Phone: (773) 631-1300
Fax: (773) 631-3971
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036117533 (IL)

Record details

NPI number1225206782
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Andrzej Gacek — Billing · (847) 444-0553
NPI enumeratedFebruary 18, 2008
Last updated in NPPESMarch 2, 2009
Mailing address5901 N Milwaukee Ave, Suite D, Chicago, IL 60646-5443

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