Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Gene O Neri, MD

Neurology Physician in Hinsdale, IL · enumerated 2007.

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

National Provider Identifier

1922124569

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Registry record

Entity type Individual (Type 1)

Name Mr. Gene O Neri

Credential MD

Sex Male

Practice address 333 Chestnut St, Suite 104, Hinsdale, IL, 60521

Phone (630) 654-3636

Fax (630) 654-3680

Enumeration date Mar 22, 2007

Last updated in NPPES May 6, 2015

Taxonomy & licenses

2084N0400X Neurology Physician Allopathic & Osteopathic Physicians · License 036045882 (IL) Primary

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

Other identifiers

Identifier	Type	State	Issuer
036045882	Medicaid	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.

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Frequently asked questions

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Gene Neri?

Gene Neri is registered in NPPES with the primary taxonomy of Neurology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-05-06.