Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Atilla Arthur Katona, MD

Surgery Physician in Oak Brook, IL · enumerated 2007.

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

National Provider Identifier

1346379450

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Registry record

Entity type Individual (Type 1)

Name Atilla Arthur Katona

Credential MD

Sex Male

Practice address 120 Oakbrook Ctr Ste 208, Oak Brook, IL, 60523

Phone (630) 368-9700

Fax (630) 368-9703

Enumeration date Mar 5, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians Primary

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

What is the NPI number for Atilla Katona?

The National Provider Identifier (NPI) for Atilla Katona is 1346379450, a Type 1 (individual) record in the CMS NPPES registry.

Where does Atilla Katona practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.