Northwest Oncology & Hematology, S.c.
NPI 1669530556 · Hematology & Oncology Physician · Barrington, IL
Northwest Oncology & Hematology, S.c. is a Hematology & Oncology Physician organization in Barrington, IL (NPI 1669530556).
Provider details
- NPI number
- 1669530556
- Entity type
- Organization
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Steven Leibach, President(847) 577-0620
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-05
- Last updated
- 2020-08-22
Frequently asked questions
- What is Northwest Oncology & Hematology, S.c.'s NPI number?
- Northwest Oncology & Hematology, S.c.'s National Provider Identifier (NPI) is 1669530556, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Northwest Oncology & Hematology, S.c.?
- Northwest Oncology & Hematology, S.c. is classified in the NPPES registry as Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Northwest Oncology & Hematology, S.c. located?
- Northwest Oncology & Hematology, S.c.'s practice location on file with NPPES is 27750 W Il Route 22, Barrington, IL 60010-2379.
- What is Northwest Oncology & Hematology, S.c.'s phone number?
- The practice phone number listed in the NPPES registry for Northwest Oncology & Hematology, S.c. is (847) 577-0620.
- Who is the authorized official for Northwest Oncology & Hematology, S.c.?
- The authorized official listed on Northwest Oncology & Hematology, S.c.'s NPPES record is Steven Leibach, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Northwest Oncology & Hematology, S.c.'s NPI active?
- Yes — Northwest Oncology & Hematology, S.c.'s NPI (1669530556) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.