Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Rand Naffouje, M.D.

Hematology & Oncology Physician in Naperville, IL · enumerated 2013.

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

National Provider Identifier

1124469267

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Registry record

Entity type Individual (Type 1)

Name Rand Naffouje

Credential M.D.

Sex Female

Practice address 120 Spalding Dr Ste 111, Naperville, IL, 60540

Phone (630) 527-3788

Fax (630) 548-6617

Enumeration date Jul 16, 2013

Last updated in NPPES Feb 24, 2023

Taxonomy & licenses

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 036140078 (IL) Primary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 125062567 (IL) Secondary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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

Where does Rand Naffouje practice?

The practice location on file with NPPES is in Naperville, IL. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Rand Naffouje?

The National Provider Identifier (NPI) for Rand Naffouje is 1124469267, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-02-24.