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NORTHWEST ONCOLOGY & HEMATOLOGY, S.C.
NPI 1669530556
Internal Medicine - Hematology & Oncology in Barrington, IL

Active since December 05, 2006
27750 W IL ROUTE 22, G-70, BARRINGTON, IL 60010(847) 577-0620(847) 577-1545 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Northwest Oncology & Hematology, S.c. NPPES

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

NORTHWEST ONCOLOGY & HEMATOLOGY, S.C. (NPI 1669530556) is a healthcare organization registered as a hematology & oncology in Barrington, Illinois and active in the NPI registry since December 2006. The organization lists Steven J Leibach, President, as its authorized official.

NPPES Registry Identity

NPI1669530556
Entity TypeOrganization
Primary Taxonomy207RH0003X
Legal Business NameNORTHWEST ONCOLOGY & HEMATOLOGY, S.C.
Location Address27750 W IL ROUTE 22, G-70Barrington, IL 60010-2379
Mailing Address3701 Algonquin Rd, Suite 900Rolling Meadows, IL 60008-3127 · (847) 577-0620 · Fax (847) 577-1545
Phone(847) 577-0620
Fax(847) 577-1545
Organization SubpartNo
Authorized OfficialSteven J LeibachPresident · (847) 577-0620
Enumeration DateDecember 5, 2006
Last NPPES UpdateAugust 22, 2020
✔ NPI 1669530556 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.
27750 W IL ROUTE 22, Barrington, IL 60010
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES 7

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

DR. ROBERT C. WITKOWSKI M.D.
Surgery
27750 W IL ROUTE 22, SUITE 130
BARRINGTON, IL 60010
Cook County (847) 381-6051
DR. MARVIN A. JOHNSON LCSW
Social Worker (Clinical)
27750 W IL ROUTE 22, SUITE 220
BARRINGTON, IL 60010
Cook County (847) 304-0770
BARRINGTON SURGEONS, LTD.
Surgery
27750 W IL ROUTE 22, SUITE 130
BARRINGTON, IL 60010
Cook County (847) 381-6051
DR. ROBERT M. FLANIGAN M.D.
Surgery
27750 W IL ROUTE 22, SUITE 130
BARRINGTON, IL 60010
Cook County (847) 381-6051
NICOLE BRADY NP
Nurse Practitioner
27750 W IL ROUTE 22, SUITE G80
BARRINGTON, IL 60010
Cook County (847) 367-6781
DR. DANIEL T. HOELTGEN M.D.
Surgery
27750 W IL ROUTE 22, SUITE 130
BARRINGTON, IL 60010
Cook County (847) 381-6051
MRS. HANNELORE SCHUTTIE CONLEY
Nurse Practitioner (Women's Health)
27750 W IL ROUTE 22, STE 120
BARRINGTON, IL 60010
Cook County (847) 277-0500

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 Northwest Oncology & Hematology, S.C.'s NPI number?

The NPI number for Northwest Oncology & Hematology, S.C. is 1669530556. It was assigned to this organization in the NPPES registry on December 5, 2006.

Where is Northwest Oncology & Hematology, S.C. located?

Northwest Oncology & Hematology, S.C. is located at 27750 W Il Route 22 G-70, Barrington, IL 60010. The listed phone number is (847) 577-0620.

What is Northwest Oncology & Hematology, S.C.'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 Northwest Oncology & Hematology, S.C. was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.