Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Illinois Cancer Specialists

Q: What is the NPI number for Illinois Cancer Specialists?

The NPI for Illinois Cancer Specialists is 1649343864, a Type 2 (organization) record in the CMS NPPES registry.

Community/Retail Pharmacy in Niles, IL · enumerated 2006 · authorized official Ria Dalmacio, Network Contracting Representative.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1649343864

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Registry record

Entity type Organization (Type 2)

Legal business name Illinois Cancer Specialists

Practice address 8915 W Golf Rd, Niles, IL, 60714

Phone (847) 954-3480

Fax (847) 827-1574

Enumeration date Nov 16, 2006

Last updated in NPPES Dec 8, 2025

Taxonomy & classification

3336C0003X Community/Retail Pharmacy Suppliers · License 054014868 (IL) Primary

Authorized official

Name Ria Dalmacio

Title Network Contracting Representative

Phone (312) 520-4757

Other identifiers

Identifier	Type	State	Issuer
1619809	Other	IL	BLUECROSS BLUESHIELD IL

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 → Validate an NPI →

Frequently asked questions

What is the NPI number for Illinois Cancer Specialists?

The NPI for Illinois Cancer Specialists is 1649343864, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Illinois Cancer Specialists?

NPPES lists Ria Dalmacio (Network Contracting Representative) as the authorized official for this organization.

Providers at this address

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Leonard Klein Hematology & Oncology Physician · Niles, IL NPI 1255328878 John Eklund Hematology & Oncology Physician · Niles, IL NPI 1174510523 David Hakimian Hematology & Oncology Physician · Niles, IL NPI 1972590347 Charles Groen Radiation Oncology Physician · Niles, IL NPI 1497742860 Bruce Kaden Hematology & Oncology Physician · Niles, IL NPI 1720075179 Mary Pryka Nurse Practitioner · Niles, IL NPI 1972590719 Peter Tortorice Pharmacist · Niles, IL NPI 1407845803 Diane Valeo-Seabright Pharmacist · Niles, IL NPI 1174512560

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-12-08.