1. Home
  2. Directory
  3. Illinois
  4. Chicago
  5. Internal Medicine
  6. NPI Profile

HEMATOLOGY ONCOLOGY ASSOCIATES OF ILLINOIS LLC
NPI 1538120381
Internal Medicine - Hematology & Oncology in Chicago, IL

Active since March 31, 2006
676 N ST CLAIR, SUITE 2140, CHICAGO, IL 60611(312) 664-5400(312) 664-5854 Get Directions Write a Review

NPPES record last updated: August 20, 2012. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Hematology Oncology Associates Of Illinois Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

HEMATOLOGY ONCOLOGY ASSOCIATES OF ILLINOIS LLC (NPI 1538120381) is a healthcare organization registered as a hematology & oncology in Chicago, Illinois and active in the NPI registry since March 2006. The organization lists Rick T Perez, State Business Administrator, as its authorized official.

NPPES Registry Identity

NPI1538120381
Entity TypeOrganization
Primary Taxonomy207RH0003X
Legal Business NameHEMATOLOGY ONCOLOGY ASSOCIATES OF ILLINOIS LLC
Location Address676 N ST CLAIR, SUITE 2140Chicago, IL 60611
Mailing Address25068 Network PlChicago, IL 60673-1250 · (847) 585-7000 · Fax (847) 240-9093
Phone(312) 664-5400
Fax(312) 664-5854
Organization SubpartNo
Authorized OfficialRick T PerezState Business Administrator · (847) 585-7012
Enumeration DateMarch 31, 2006
Last NPPES UpdateAugust 20, 2012
✔ NPI 1538120381 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
676 N ST CLAIR, Chicago, IL 60611
Open in Google Maps ↗

Other Identifiers 8

Medicare PIN218940IL
Medicare PIN218860IL
Medicare PIN397530IL
Medicare PIN218890IL
Other1616101IL · Bcbs
Medicare PIN397450IL
Medicare PINCD7345IL
Medicare PIN218740IL

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. LISA F ROSENBERG MD
Ophthalmology
676 N ST CLAIR, #1500
CHICAGO, IL 60611
Cook County (312) 475-1000
NIDHI KANSAL M.D.
Internal Medicine
676 N ST CLAIR, SUITE 2300
CHICAGO, IL 60611
Cook County (312) 926-6000
ELISABETH I. WALLNER, M.D., S.C.
Clinic/Center (Primary Care)
676 N ST CLAIR, SUITE 2250
CHICAGO, IL 60611
Cook County (312) 926-0888
MARJORIE MINTZ ROSENBAUM MD LLC
Dermatology
676 N ST CLAIR, SUITE 1725
CHICAGO, IL 60611
Cook County (312) 664-8533
UNIVERSITY EYE SPECIALISTS LTD
Ophthalmology (Glaucoma Specialist)
676 N ST CLAIR, #320
CHICAGO, IL 60611
Cook County (312) 475-1000
PATRICIA F. KATZ, M.D.
Obstetrics & Gynecology (Gynecology)
676 N ST CLAIR, STE 1880
CHICAGO, IL 60611
Cook County (312) 642-9844
DR. KALEOULOKAWAI STASZKOW M.D.
Internal Medicine
676 N ST CLAIR, SUITE 2300
CHICAGO, IL 60611
Cook County (312) 926-6000
CHICAGO LAKE SHORE MEDICAL ASSOCIATES,LTD
Internal Medicine
676 N ST CLAIR, SUITE 2300
CHICAGO, IL 60611
Cook County (312) 926-6000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Hematology Oncology Associates Of Illinois LLC's NPI number?

The NPI number for Hematology Oncology Associates Of Illinois LLC is 1538120381. It was assigned to this organization in the NPPES registry on March 31, 2006.

Where is Hematology Oncology Associates Of Illinois LLC located?

Hematology Oncology Associates Of Illinois LLC is located at 676 N St Clair Suite 2140, Chicago, IL 60611. The listed phone number is (312) 664-5400.

What is Hematology Oncology Associates Of Illinois LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

When was this NPI record last updated?

The NPPES record for Hematology Oncology Associates Of Illinois LLC was last updated on August 20, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.