Lagrange Oncology Associates

Lagrange Oncology Associates is a healthcare organization registered as Hematology & Oncology Physician in Geneva, IL, holding Type 2 (organization) NPI 1295814788 since 2006. The authorized official on file is Cheryl Wesolowski, Practice Administrator.

✓ Active NPI ✓ Valid NPI checksum

NPI	1295814788
Entity type	Organization (Type 2)
Legal business name	Lagrange Oncology Associates
Practice address	302 RANDALL RD STE 20, Geneva, IL, 60134
Phone	6302320610
Fax	6302320675
Enumeration date	2006-11-03
Last updated in NPPES	2020-08-22

Authorized official

Name	Cheryl Wesolowski
Title	Practice Administrator
Phone	7085793418

Taxonomy & classification

Taxonomy code	Specialty	Primary	License	State
207RH0003X	Hematology & Oncology Physician	Primary	—	—

Copy-ready billing details

Provider: Lagrange Oncology Associates
NPI: 1295814788
Taxonomy: 207RH0003X (Hematology & Oncology Physician)
Address: 302 RANDALL RD STE 20, Geneva, IL, 60134

Verify this record

Cross-check NPI 1295814788 against the authoritative CMS record: view Lagrange Oncology Associates on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

Where is Lagrange Oncology Associates located?

The practice location on file with NPPES is in Geneva, IL.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2020-08-22. Verify at npiregistry.cms.hhs.gov.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2020-08-22.