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

Hematology Oncology Associates of Illinois LLC

Organization Hematology & Oncology Physician · NPI 1538120381

Hematology Oncology Associates of Illinois LLC is a Hematology & Oncology Physician in Chicago, Illinois. Registered with an NPI since 2006.

In the registry since
2006
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

676 N St Clair Ste 2140
Chicago, IL 60611
Phone: (312) 664-5400
Fax: (312) 664-5854
Show map & directions

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

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X

Record details

NPI number1538120381
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Rick Perez — State Business Administrator · (847) 585-7012
NPI enumeratedMarch 31, 2006
Last updated in NPPESAugust 20, 2012
Mailing address25068 Network Pl, Chicago, IL 60673-1250

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